diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_dialog.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_dialog.c
index 18c7bb7e20..2850de6220 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_dialog.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_dialog.c
@@ -373,12 +373,8 @@ void nua_dialog_usage_remove_at(nua_owner_t *own,
     /* Destroy saved client request */
     if (nua_client_is_bound(du->du_cr)) {
       nua_client_bind(cr = du->du_cr, NULL);
-
-      if (nua_client_is_queued(cr))
-	nua_client_request_complete(cr);
-      else if (nua_client_is_reporting(cr))
-	;
-      else
+      if (!nua_client_is_queued(cr) &&
+	  !nua_client_is_reporting(cr))
 	nua_client_request_destroy(cr);
     }
 
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_dialog.h b/libs/sofia-sip/libsofia-sip-ua/nua/nua_dialog.h
index 5e1ba48567..63596206bd 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_dialog.h
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_dialog.h
@@ -253,11 +253,11 @@ typedef struct {
 		    nta_outgoing_t *orq,
 		    tagi_t const *tags);
 
-  /** @a crm_complete is called when a client-side request is destroyed.
+  /** @a crm_deinit is called when a client-side request is destroyed.
    *
    * @return The return value should be 0. It is currently ignored.
    */
-  int (*crm_complete)(nua_client_request_t *);
+  int (*crm_deinit)(nua_client_request_t *);
 
 } nua_client_methods_t;
 
@@ -516,8 +516,6 @@ void *nua_private_client_request(nua_client_request_t const *cr)
   return (void *)(cr + 1);
 }
 
-void nua_client_request_complete(nua_client_request_t *);
-
 void nua_client_request_destroy(nua_client_request_t *);
 
 int nua_client_request_queue(nua_client_request_t *cr);
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_extension.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_extension.c
index c9237b6ba0..333ed9f239 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_extension.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_extension.c
@@ -74,21 +74,18 @@
  */
 
 static nua_client_methods_t const nua_method_client_methods = {
-  SIP_METHOD_UNKNOWN,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_UNKNOWN,
+  0,
+  { 
     /* create_dialog */ 0,
     /* in_dialog */ 0,
     /* target_refresh */ 1,
   },
-  NULL,				/* crm_template */
-  NULL,				/* crm_init */
-  NULL,				/* crm_send */
-  NULL,				/* crm_check_restart */
-  NULL,				/* crm_recv */
-  NULL,				/* crm_preliminary */
-  NULL,				/* crm_report */
-  NULL,				/* crm_complete */
+  /* nua_method_client_template */ NULL,
+  /* nua_method_client_init */ NULL,
+  /* nua_method_client_request */ NULL,
+  /* nua_method_client_check_restart */ NULL,
+  /* nua_method_client_response */ NULL
 };
 
 int 
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_message.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_message.c
index 1d6c3a2250..8f8fc391b3 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_message.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_message.c
@@ -77,22 +77,18 @@ static int nua_message_client_init(nua_client_request_t *cr,
 				   tagi_t const *tags);
 
 static nua_client_methods_t const nua_message_client_methods = {
-  SIP_METHOD_MESSAGE,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_MESSAGE,
+  0,
+  { 
     /* create_dialog */ 0,
     /* in_dialog */ 0,
     /* target refresh */ 0
   },
-  NULL,				/* crm_template */
-  nua_message_client_init,	/* crm_init */
-  NULL,				/* crm_send */
-  NULL,				/* crm_check_restart */
-  NULL,				/* crm_recv */
-  NULL,				/* crm_preliminary */
-  NULL,				/* crm_report */
-  NULL,				/* crm_complete */
-
+  /* nua_message_client_template */ NULL,
+  nua_message_client_init,
+  /*nua_message_client_request*/ NULL,
+  /* nua_message_client_check_restart */ NULL,
+  /*nua_message_client_response*/ NULL
 };
 
 int 
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_notifier.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_notifier.c
index 35b59d16ed..a0e18efad7 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_notifier.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_notifier.c
@@ -237,8 +237,7 @@ int nua_subscribe_server_preprocess(nua_server_request_t *sr)
   sip_event_t *o = sip->sip_event;
   char const *event = o ? o->o_type : NULL;
   /* Maximum expiration time */
-  unsigned long expires = sip->sip_expires ? sip->sip_expires->ex_delta : 3600;
-  sip_time_t now = sip_now();
+  unsigned long expires = 3600;
 
   assert(nh && nh->nh_nua->nua_dhandle != nh);
   
@@ -260,10 +259,9 @@ int nua_subscribe_server_preprocess(nua_server_request_t *sr)
 
   nu = nua_dialog_usage_private(du);
 
-  if (now + expires >= now)
-    nu->nu_requested = now + expires;
-  else
-    nu->nu_requested = SIP_TIME_MAX - 1;
+  if (sip->sip_expires && sip->sip_expires->ex_delta < expires)
+    expires = sip->sip_expires->ex_delta;
+  nu->nu_requested = sip_now() + expires;
 
 #if SU_HAVE_EXPERIMENTAL
   nu->nu_etags = 
@@ -297,23 +295,9 @@ int nua_subscribe_server_respond(nua_server_request_t *sr, tagi_t const *tags)
       sip_time_t now = sip_now();
 
       if (nu->nu_requested) {
-	if (sip->sip_expires) {
-	  /* Expires in response can only shorten the expiration time */
-	  if (nu->nu_requested > now + sip->sip_expires->ex_delta) 
-	    nu->nu_requested = now + sip->sip_expires->ex_delta;
-	}
-	else {
-	  unsigned sub_expires = NH_PGET(sr->sr_owner, sub_expires);
-	  if (nu->nu_requested > now + sub_expires)
-	    nu->nu_requested = now + sub_expires;
-	}
-
-	if (nu->nu_requested >= now)
+	if (nu->nu_requested > nu->nu_expires)
 	  nu->nu_expires = nu->nu_requested;
-	else
-	  nu->nu_expires = now;
-
-	if (nu->nu_expires <= now)
+	else if (nu->nu_expires <= now || nu->nu_requested <= now)
 	  nu->nu_substate = nua_substate_terminated;
       }
 
@@ -321,7 +305,7 @@ int nua_subscribe_server_respond(nua_server_request_t *sr, tagi_t const *tags)
 	ex->ex_delta = nu->nu_expires - now;
     }
     else {
-      /* Always add header Expires: 0 */
+      /* Add header Expires: 0 */
     }
 
     if (!sip->sip_expires || sip->sip_expires->ex_delta > ex->ex_delta)
@@ -436,21 +420,20 @@ static int nua_notify_client_report(nua_client_request_t *cr,
 				    tagi_t const *tags);
 
 static nua_client_methods_t const nua_notify_client_methods = {
-  SIP_METHOD_NOTIFY,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_NOTIFY,
+  0,
+  { 
     /* create_dialog */ 1,
     /* in_dialog */ 1,
     /* target refresh */ 1
   },
-  NULL,				/* crm_template */
-  nua_notify_client_init,	/* crm_init */
-  nua_notify_client_request,	/* crm_send */
-  NULL,				/* crm_check_restart */
-  NULL,				/* crm_recv */
-  NULL,				/* crm_preliminary */
-  nua_notify_client_report,	/* crm_report */
-  NULL,				/* crm_complete */
+  /* nua_notify_client_template */ NULL,
+  nua_notify_client_init,
+  nua_notify_client_request,
+  /* nua_notify_client_check_restart */ NULL,
+  /* nua_notify_client_response */ NULL,
+  /* nua_notify_client_preliminary */ NULL,
+  nua_notify_client_report
 };
 
 /**@internal Send NOTIFY. */
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_options.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_options.c
index 462a15f552..82e5c23cf9 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_options.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_options.c
@@ -88,21 +88,18 @@
  */
 
 static nua_client_methods_t const nua_options_client_methods = {
-  SIP_METHOD_OPTIONS,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_OPTIONS,
+  0,
+  { 
     /* create_dialog */ 0,
     /* in_dialog */ 0,
     /* target refresh */ 0
   },
-  NULL,				/* crm_template */
-  NULL,				/* crm_init */
-  NULL,				/* crm_send */
-  NULL,				/* crm_check_restart */
-  NULL,				/* crm_recv */
-  NULL,				/* crm_preliminary */
-  NULL,				/* crm_report */
-  NULL,				/* crm_complete */
+  /*nua_options_client_template*/ NULL,
+  /*nua_options_client_init*/ NULL,
+  /*nua_options_client_request*/ NULL,
+  /* nua_options_client_check_restart */ NULL,
+  /*nua_options_client_response*/ NULL
 };
 
 int nua_stack_options(nua_t *nua,
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_params.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_params.c
index 5568639b23..206574e304 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_params.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_params.c
@@ -77,27 +77,19 @@ su_inline int nhp_is_any_set(nua_handle_preferences_t const *nhp)
 su_inline void nhp_or_set(nua_handle_preferences_t *a,
 			  nua_handle_preferences_t const *b)
 {
-  memcpy(a, b, offsetof(nua_handle_preferences_t, nhp_set));
-
-  /* Bitwise or of bitfields, casted to unsigned */
-  a->nhp_set_.set_unsigned[0] |= b->nhp_set_.set_unsigned[0];
-  a->nhp_set_.set_unsigned[1] |= b->nhp_set_.set_unsigned[1];
-
-  /* 
-  unsigned *ap, const *bp;
+  unsigned *ap = a->nhp_set_.set_unsigned;
+  unsigned const *bp = b->nhp_set_.set_unsigned;
   size_t i;
 
-  ap = a->nhp_set_.set_unsigned;
-  bp = b->nhp_set_.set_unsigned;
+  memcpy(a, b, offsetof(nua_handle_preferences_t, nhp_set));
+
   for (i = 0; i < (sizeof a->nhp_set); i += (sizeof *ap))
     *ap++ |= *bp++;
-
-  */
 }
 
 static int nhp_set_tags(su_home_t *home, 
 			nua_handle_preferences_t *nhp,
-			nua_global_preferences_t *ngp,
+			int global,
 			tagi_t const *tags);
 
 static int nhp_merge_lists(su_home_t *home,
@@ -109,11 +101,11 @@ static int nhp_merge_lists(su_home_t *home,
 			   int always_merge,
 			   tag_value_t value);
 
-static int nhp_save_params(nua_handle_t *nh,
-		    su_home_t *tmphome, 
-		    nua_global_preferences_t *gsrc,
-		    nua_handle_preferences_t *src);
-
+static
+nua_handle_preferences_t *nhp_move_params(su_home_t *home,
+					  nua_handle_preferences_t *dst,
+					  su_home_t *tmphome,
+					  nua_handle_preferences_t const *src);
 
 /* ====================================================================== */
 /* Magical NUTAG_USER_AGENT() - add NHP_USER_AGENT there if it is not there */
@@ -177,7 +169,6 @@ int nua_stack_set_defaults(nua_handle_t *nh,
   NHP_SET(nhp, refer_with_id, 1);
 
   NHP_SET(nhp, substate, nua_substate_active);
-  NHP_SET(nhp, sub_expires, 3600);
 
   NHP_SET(nhp, allow, sip_allow_make(home, nua_allow_str));
   NHP_SET(nhp, supported, sip_supported_make(home, "timer, 100rel"));
@@ -207,12 +198,20 @@ int nua_stack_set_from(nua_t *nua, int initial, tagi_t const *tags)
   sip_from_t *f = NULL,  f0[1];
   int set;
 
+  char const *uicc_name = "default";
+
   tl_gets(tags,
 	  /* By nua_stack_set_from() */
 	  SIPTAG_FROM_REF(from),
 	  SIPTAG_FROM_STR_REF(str),
+	  NUTAG_UICC_REF(uicc_name),
 	  TAG_END());
 
+#if HAVE_UICC_H
+  if (initial && uicc_name)
+    nua->nua_uicc = uicc_create(root, uicc_name);
+#endif
+
   if (!initial && from == NONE && str == NONE)
     return 0;
 
@@ -326,7 +325,6 @@ int nua_stack_init_instance(nua_handle_t *nh, tagi_t const *tags)
  *   NUTAG_SMIME_SIGNATURE() \n
  *   NUTAG_SOA_NAME() \n
  *   NUTAG_SUBSTATE() \n
- *   NUTAG_SUB_EXPIRES() \n
  *   NUTAG_SUPPORTED(), SIPTAG_SUPPORTED(), and SIPTAG_SUPPORTED_STR() \n
  *   NUTAG_UPDATE_REFRESH() \n
  *   NUTAG_USER_AGENT(), SIPTAG_USER_AGENT() and SIPTAG_USER_AGENT_STR() \n
@@ -439,7 +437,6 @@ int nua_stack_init_instance(nua_handle_t *nh, tagi_t const *tags)
  *   NUTAG_SESSION_TIMER() \n
  *   NUTAG_SOA_NAME() \n
  *   NUTAG_SUBSTATE() \n
- *   NUTAG_SUB_EXPIRES() \n
  *   NUTAG_SUPPORTED(), SIPTAG_SUPPORTED(), and SIPTAG_SUPPORTED_STR() \n
  *   NUTAG_UPDATE_REFRESH() \n
  *   NUTAG_USER_AGENT(), SIPTAG_USER_AGENT() and SIPTAG_USER_AGENT_STR() \n
@@ -478,124 +475,146 @@ int nua_stack_set_params(nua_t *nua, nua_handle_t *nh, nua_event_t e,
 			 tagi_t const *tags)
 {
   nua_handle_t *dnh = nua->nua_dhandle;
-  
-  int status;
-  char const *phrase;
+  nua_handle_preferences_t tmp[1], *nhp = nh->nh_prefs;
+  nua_handle_preferences_t const *dnhp = dnh->nh_prefs;
+
+  su_home_t tmphome[1] = { SU_HOME_INIT(tmphome) };
+
+  tagi_t const *ptags;
+
+  int error, global;
+  int status = 900;
+  char const *phrase = "Error storing parameters";
+  sip_supported_t const *supported = NULL;
+  sip_allow_t const *allow = NULL;
+  sip_allow_events_t const *allow_events = NULL;
+  sip_allow_t const *appl_method = NULL;
 
   enter;
 
-  {
-    su_home_t tmphome[1] = { SU_HOME_INIT(tmphome) };
-    nua_handle_preferences_t *nhp = nh->nh_prefs;
-    nua_handle_preferences_t const *dnhp = dnh->nh_prefs;
-    nua_handle_preferences_t tmp[1];
-    nua_global_preferences_t gtmp[1], *ngp = NULL;
+  ptags = !nh->nh_used_ptags ? nh->nh_ptags : NULL;
 
-    *tmp = *nhp; NHP_UNSET_ALL(tmp);
+  *tmp = *nhp; NHP_UNSET_ALL(tmp);
 
-    /*
-     * Supported features, allowed methods and events are merged 
-     * with previous or default settings. 
-     *
-     * Here we just copy pointers from default settings. However when saving
-     * settings we have to be extra careful so that we
-     * 1) zero the pointers if the setting has not been modified
-     * 2) do not free pointer if the setting has been modified
-     * See NHP_ZAP_OVERRIDEN() below for gorier details.
-     */
-    if (!NHP_ISSET(nhp, supported)) 
-      tmp->nhp_supported = dnhp->nhp_supported;
-    if (!NHP_ISSET(nhp, allow)) 
-      tmp->nhp_allow = dnhp->nhp_allow;
-    if (!NHP_ISSET(nhp, allow_events)) 
-      tmp->nhp_allow_events = dnhp->nhp_allow_events;
-    if (!NHP_ISSET(nhp, appl_method)) 
-      tmp->nhp_appl_method = dnhp->nhp_appl_method;
+  /* Supported features, allowed methods and events are merged 
+     with previous ones */
+  if (!NHP_ISSET(nhp, supported)) 
+    supported = tmp->nhp_supported = dnhp->nhp_supported;
+  if (!NHP_ISSET(nhp, allow)) 
+    allow = tmp->nhp_allow = dnhp->nhp_allow;
+  if (!NHP_ISSET(nhp, allow_events)) 
+    allow_events = tmp->nhp_allow_events = dnhp->nhp_allow_events;
+  if (!NHP_ISSET(nhp, appl_method)) 
+    appl_method = tmp->nhp_appl_method = dnhp->nhp_appl_method;
+
+  error = 0;
+  global = nh == dnh;			/* save also stack-specific params */
     
-    if (nh == dnh) /* nua_set_params() call, save stack-wide params, too */
-      ngp = gtmp, *gtmp = *nua->nua_prefs;
+  /* Set and save parameters to tmp */
+  if (nhp_set_tags(tmphome, tmp, global, ptags) < 0)
+    error = 1, phrase = "Error storing default handle parameters";
+  else if (nhp_set_tags(tmphome, tmp, global, tags) < 0)
+    error = 1, phrase = "Error storing parameters";
+  else {
+    if (NHP_IS_ANY_SET(tmp)) {
+      if (tmp->nhp_supported == supported)
+	tmp->nhp_supported = NULL;
 
-    /* Set and save parameters to tmp */
-    if (!nh->nh_used_ptags && 
-	nhp_set_tags(tmphome, tmp, NULL, nh->nh_ptags) < 0)
-      status = 900, phrase = "Error storing default handle parameters";
-    else if (nhp_set_tags(tmphome, tmp, ngp, tags) < 0)
-      status = 900, phrase = "Error storing parameters";
-    else if (nhp_save_params(nh, tmphome, ngp, tmp) < 0)
-      status = 900, phrase = su_strerror(ENOMEM);
-    else
-      status = 200, phrase = "OK", nh->nh_used_ptags = 1;
+      if (tmp->nhp_allow == allow)
+	tmp->nhp_allow = NULL;
 
-    su_home_deinit(tmphome);
+      if (tmp->nhp_allow_events == allow_events)
+	tmp->nhp_allow_events = NULL;
+
+      if (tmp->nhp_appl_method == appl_method)
+	tmp->nhp_appl_method = NULL;
+
+      /* Move parameters from tmp to nhp (or allocate new nhp) */
+      if (nh != dnh && nhp == dnh->nh_prefs)
+	nhp = NULL;
+      nhp = nhp_move_params(nh->nh_home, nhp, tmphome, tmp);
+
+      if (nhp)
+	nh->nh_prefs = nhp;
+      else
+	/* Fail miserably with ENOMEM */
+	error = 1, status = 900, phrase = su_strerror(ENOMEM);
+    }
+
+    if (!error)
+      nh->nh_used_ptags = 1;
   }
 
-  if (status == 200) {
-    nua_handle_preferences_t const *nhp = nh->nh_prefs;
-    nua_handle_preferences_t const *dnhp = dnh->nh_prefs;
+  su_home_deinit(tmphome);
 
-    if (!nh->nh_soa && NHP_GET(nhp, dnhp, media_enable)) {
-      /* Create soa when needed */
-      char const *soa_name = NHP_GET(nhp, dnhp, soa_name);
+  if (error)
+    ;
+  else if (!nh->nh_soa && NHP_GET(nhp, dnhp, media_enable)) {
+    /* Create soa when needed */
+    char const *soa_name = NHP_GET(nhp, dnhp, soa_name);
 
-      if (dnh->nh_soa)
-	nh->nh_soa = soa_clone(dnh->nh_soa, nua->nua_root, nh);
-      else  
-	nh->nh_soa = soa_create(soa_name, nua->nua_root, nh);
-      
-      if (!nh->nh_soa)
-	status = 900, phrase = "Error Creating SOA Object";
-      else if (soa_set_params(nh->nh_soa, TAG_NEXT(nh->nh_ptags)) < 0)
-	status = 900, phrase = "Error Setting SOA Parameters";
-    }
-    else if (nh->nh_soa && !NHP_GET(nhp, dnhp, media_enable)) {
-      /* ... destroy soa when not needed */
-      soa_destroy(nh->nh_soa), nh->nh_soa = NULL;
-    }
+    if (dnh->nh_soa)
+      nh->nh_soa = soa_clone(dnh->nh_soa, nua->nua_root, nh);
+    else  
+      nh->nh_soa = soa_create(soa_name, nua->nua_root, nh);
 
-    if (status == 200 && tags && nh->nh_soa &&	
-	soa_set_params(nh->nh_soa, TAG_NEXT(tags)) < 0) 
-      status = 900, phrase = "Error Setting SOA Parameters";
+    ptags = nh->nh_ptags;
+
+    if (!nh->nh_soa)
+      error = 1, status = 900, phrase = "Error Creating SOA Object";
+  }
+  else if (nh->nh_soa && !NHP_GET(nhp, dnhp, media_enable)) {
+    /* ... destroy soa when not needed */
+    soa_destroy(nh->nh_soa), nh->nh_soa = NULL;
   }
 
-  if (status == 200 && nh == dnh) {
-    /* Set stack-specific things below */
-    if (nua_stack_set_smime_params(nua, tags) < 0) {
-      status = 900, phrase = "Error setting S/MIME parameters";
-    }
-    else if (nua->nua_nta && nta_agent_set_params(nua->nua_nta, TAG_NEXT(tags)) < 0) {
-      status = 900, phrase = "Error setting NTA parameters";
-    }
-    else {
-      nua_stack_set_from(nua, 0, tags);
-
-      if (nua->nua_prefs->ngp_detect_network_updates)
-	nua_stack_launch_network_change_detector(nua);
-    }
+  if (!error && nh->nh_soa) {
+    if ((ptags && soa_set_params(nh->nh_soa, TAG_NEXT(ptags)) < 0) ||
+	(tags && soa_set_params(nh->nh_soa, TAG_NEXT(tags)) < 0))
+      error = 1, status = 900, phrase = "Error Setting SOA Parameters";
   }
 
-  if (status != 200) {
+  if (error || nh != dnh) {
+    ;
+  }
+  else if (nua_stack_set_smime_params(nua, tags) < 0) {
+    error = 1, status = 900, phrase = "Error setting S/MIME parameters";
+  }
+  else if (!nua->nua_nta) {
+  }
+  /* Set stack-specific things below */
+  else if (nta_agent_set_params(nua->nua_nta, TAG_NEXT(tags)) < 0) {
+    status = 900, phrase = "Error setting NTA parameters";
+    error = 1;
+  }
+  else {
+    nua_stack_set_from(nua, 0, tags);
+    if (NHP_ISSET(nhp, detect_network_updates))
+      nua_stack_launch_network_change_detector(nua);
+  }
+
+  if (error) {
     if (e == nua_i_none)
       SU_DEBUG_1(("nua_set_params(): failed: %s\n", phrase));
     return UA_EVENT2(e, status, phrase), -1;
   }
-  else {
-    if (e == nua_r_set_params)
-      UA_EVENT2(e, status, phrase);
-    return 0;
-  }
+
+  if (e == nua_r_set_params)
+    UA_EVENT2(e, 200, "OK");
+
+  return 0;
 }
 
-
-/** Parse parameters from tags to @a nhp or @a ngp.
+/** Parse parameters from tags to @a nhp.
  *
  * @param home allocate new values from @a home
  * @param nhp  structure to store handle preferences
- * @param ngp  structure to store global preferences
+ * @param global  if true, save also global parameters
  * @param tags list of tags to parse
  */
 static int nhp_set_tags(su_home_t *home, 
 			nua_handle_preferences_t *nhp,
-			nua_global_preferences_t *ngp,
+			int global,
 			tagi_t const *tags)
 {
 
@@ -807,10 +826,6 @@ static int nhp_set_tags(su_home_t *home,
     else if (tag == nutag_substate) {
       NHP_SET(nhp, substate, (int)value);
     }
-    /* NUTAG_SUB_EXPIRES(sub_expires) */
-    else if (tag == nutag_sub_expires) {
-      NHP_SET(nhp, sub_expires, value);
-    }
     /* NUTAG_KEEPALIVE(keepalive) */
     else if (tag == nutag_keepalive) {
       NHP_SET(nhp, keepalive, (unsigned)value);
@@ -982,7 +997,7 @@ static int nhp_set_tags(su_home_t *home,
       NHP_SET_STR(nhp, outbound, value);
     }
     /* NUTAG_DETECT_NETWORK_UPDATES(detect_network_updates) */
-    else if (ngp && tag == nutag_detect_network_updates) {
+    else if (global && tag == nutag_detect_network_updates) {
       int detector = (int)value;
 
       if (detector < NUA_NW_DETECT_NOTHING)
@@ -990,13 +1005,7 @@ static int nhp_set_tags(su_home_t *home,
       else if (detector > NUA_NW_DETECT_TRY_FULL)
 	detector = NUA_NW_DETECT_TRY_FULL;
 
-      ngp->ngp_detect_network_updates = detector;
-      ngp->ngp_set.ngp_detect_network_updates = 1;
-    }
-    /* NUTAG_SHUTDOWN_EVENTS() */
-    else if (ngp && tag == nutag_shutdown_events) {
-      ngp->ngp_shutdown_events = value != 0;
-      ngp->ngp_set.ngp_shutdown_events = 1;
+      NHP_SET(nhp, detect_network_updates, detector);
     }
   }
 
@@ -1069,70 +1078,54 @@ static int nhp_merge_lists(su_home_t *home,
   return 1;
 }
 
-/** Save parameters in @a gtmp and @a tmp.
- */
-static 
-int nhp_save_params(nua_handle_t *nh,
-		    su_home_t *tmphome, 
-		    nua_global_preferences_t *gsrc,
-		    nua_handle_preferences_t *src)
+static
+nua_handle_preferences_t *nhp_move_params(su_home_t *home,
+					  nua_handle_preferences_t *dst,
+					  su_home_t *tmphome,
+					  nua_handle_preferences_t const *src)
 {
-  su_home_t *home = nh->nh_home;
-  nua_t *nua = nh->nh_nua;
-  nua_handle_t *dnh = nua->nua_dhandle;
-  nua_handle_preferences_t *dst = nh->nh_prefs, old[1];
+  /* Update prefs structure */
+  nua_handle_preferences_t tbf[1];
 
-  if (gsrc) {
-    *nua->nua_prefs = *gsrc;	/* No pointers this far */
-  }
+  if (dst == NULL)
+    dst = su_zalloc(home, sizeof *dst);
+  if (dst == NULL)
+    return NULL;
+  if (su_home_move(home, tmphome) < 0)
+    return NULL;
 
-  if (!NHP_IS_ANY_SET(src))
-    return 0;
-
-  if (nh == dnh || nh->nh_prefs != dnh->nh_prefs) {
-    dst = nh->nh_prefs, *old = *dst;
-    assert(dst);
-  }
-  else {
-    dst = su_zalloc(home, sizeof *dst), memset(old, 0, sizeof *old);
-    if (!dst)
-      return -1;
-  }
-
-  /* Move allocations from tmphome to home */
-  su_home_move(nh->nh_home, tmphome);
-  
-  /* Copy parameters that are set from src to dst */
+  *tbf = *dst;
   nhp_or_set(dst, src);
 
   /* Handle pointer items. Free changed ones and zap unset ones. */
-  /* Note that pointer items where !NHP_ISSET(old, pref) are not freed 
-     (because they were just on loan from the default preference set) */
-#define NHP_ZAP_OVERRIDEN(old, dst, free, pref)				\
-  (((NHP_ISSET(old, pref) &&						\
-     (old)->nhp_##pref && (old)->nhp_##pref != (dst)->nhp_##pref)	\
-    ? (free)(home, (void *)(old)->nhp_##pref) : (void)0),		\
-   (void)(!(dst)->nhp_set.nhb_##pref ? (dst)->nhp_##pref = NULL : NULL))
+#define NHP_ZAP_OVERRIDEN(tbf, nhp, pref)				\
+  (((tbf)->nhp_set.nhb_##pref						\
+    && (tbf)->nhp_##pref != (nhp)->nhp_##pref				\
+    ? su_free(home, (void *)(tbf)->nhp_##pref) : (void)0),		\
+   (void)(!(nhp)->nhp_set.nhb_##pref ? (nhp)->nhp_##pref = NULL : NULL))
 
-  NHP_ZAP_OVERRIDEN(old, dst, su_free, soa_name);
-  NHP_ZAP_OVERRIDEN(old, dst, su_free, registrar);
-  NHP_ZAP_OVERRIDEN(old, dst, msg_header_free, allow);
-  NHP_ZAP_OVERRIDEN(old, dst, msg_header_free, supported);
-  NHP_ZAP_OVERRIDEN(old, dst, msg_header_free, allow_events);
-  NHP_ZAP_OVERRIDEN(old, dst, su_free, user_agent);
-  NHP_ZAP_OVERRIDEN(old, dst, su_free, organization);
-  NHP_ZAP_OVERRIDEN(old, dst, su_free, m_display);
-  NHP_ZAP_OVERRIDEN(old, dst, su_free, m_username);
-  NHP_ZAP_OVERRIDEN(old, dst, su_free, m_params);
-  NHP_ZAP_OVERRIDEN(old, dst, su_free, m_features);
-  NHP_ZAP_OVERRIDEN(old, dst, su_free, instance);
-  NHP_ZAP_OVERRIDEN(old, dst, su_free, outbound);
-  NHP_ZAP_OVERRIDEN(old, dst, msg_header_free, appl_method);
-  NHP_ZAP_OVERRIDEN(old, dst, msg_header_free, initial_route);
+  NHP_ZAP_OVERRIDEN(tbf, dst, soa_name);
+  NHP_ZAP_OVERRIDEN(tbf, dst, registrar);
+  NHP_ZAP_OVERRIDEN(tbf, dst, supported);
+  NHP_ZAP_OVERRIDEN(tbf, dst, allow);
+  NHP_ZAP_OVERRIDEN(tbf, dst, user_agent);
+  NHP_ZAP_OVERRIDEN(tbf, dst, organization);
+  NHP_ZAP_OVERRIDEN(tbf, dst, instance);
+  NHP_ZAP_OVERRIDEN(tbf, dst, m_display);
+  NHP_ZAP_OVERRIDEN(tbf, dst, m_username);
+  NHP_ZAP_OVERRIDEN(tbf, dst, m_params);
+  NHP_ZAP_OVERRIDEN(tbf, dst, m_features);
+  NHP_ZAP_OVERRIDEN(tbf, dst, outbound);
 
-  nh->nh_prefs = dst;
-  
-  return 0;
+#define NHP_ZAP_OVERRIDEN_HDR(tbf, nhp, pref)				\
+  (((tbf)->nhp_set.nhb_##pref						\
+    && (tbf)->nhp_##pref != (nhp)->nhp_##pref				\
+    ? msg_header_free(home, (void *)(tbf)->nhp_##pref) : (void)0),		\
+   (void)(!(nhp)->nhp_set.nhb_##pref ? (nhp)->nhp_##pref = NULL : NULL))
+
+  NHP_ZAP_OVERRIDEN_HDR(tbf, dst, initial_route);
+
+  return dst;
 }
 
 static int nua_handle_tags_filter(tagi_t const *f, tagi_t const *t);
@@ -1482,7 +1475,6 @@ int nua_stack_set_smime_params(nua_t *nua, tagi_t const *tags)
  *   NUTAG_SMIME_SIGNATURE() \n
  *   NUTAG_SOA_NAME() \n
  *   NUTAG_SUBSTATE() \n
- *   NUTAG_SUB_EXPIRES() \n
  *   NUTAG_UPDATE_REFRESH() \n
  *   NUTAG_USER_AGENT() \n
  *   SIPTAG_ALLOW() \n
@@ -1523,7 +1515,6 @@ int nua_stack_get_params(nua_t *nua, nua_handle_t *nh, nua_event_t e,
 			 tagi_t const *tags)
 {
   nua_handle_t *dnh = nua->nua_dhandle;
-  nua_global_preferences_t const *ngp = nua->nua_prefs;
   nua_handle_preferences_t const *nhp = nh->nh_prefs;
 
   tagi_t *lst;
@@ -1549,6 +1540,8 @@ int nua_stack_get_params(nua_t *nua, nua_handle_t *nh, nua_event_t e,
 
   enter;
 
+  su_home_auto(tmphome, sizeof(tmphome));
+
   nta_agent_get_params(nua->nua_nta,
 		       NTATAG_UDP_MTU_REF(udp_mtu),
 		       NTATAG_MAX_PROCEEDING_REF(max_proceeding),
@@ -1597,8 +1590,6 @@ int nua_stack_get_params(nua_t *nua, nua_handle_t *nh, nua_event_t e,
 	     ? sip_##pref##_make(tmphome, (char *)nhp->nhp_##pref)	\
 	     : NULL))
 
-  su_home_auto(tmphome, sizeof(tmphome));
-
   lst = tl_filtered_tlist
     (tmphome, tags,
      TAG_IF(has_from, SIPTAG_FROM(from)),
@@ -1639,7 +1630,6 @@ int nua_stack_get_params(nua_t *nua, nua_handle_t *nh, nua_event_t e,
      TIF(NUTAG_REFER_WITH_ID, refer_with_id),
 
      TIF(NUTAG_SUBSTATE, substate),
-     TIF(NUTAG_SUB_EXPIRES, sub_expires),
 
      TIF(SIPTAG_SUPPORTED, supported),
      TIF_STR(SIPTAG_SUPPORTED_STR, supported),
@@ -1668,18 +1658,11 @@ int nua_stack_get_params(nua_t *nua, nua_handle_t *nh, nua_event_t e,
      TIF(NUTAG_M_PARAMS, m_params),
      TIF(NUTAG_M_FEATURES, m_features),
      TIF(NUTAG_OUTBOUND, outbound),
+     TIF(NUTAG_DETECT_NETWORK_UPDATES, detect_network_updates),
 
      /* Skip user-agent-level parameters if parameters are for handle only */
      TAG_IF(nh != dnh, TAG_NEXT(media_params)),
 
-  /* Include tag in the list returned to user
-   * if it has been earlier set (by user) */
-#define GIF(TAG, pref) \
-     TAG_IF(ngp->ngp_set.ngp_##pref, TAG(ngp->ngp_##pref))
-
-     GIF(NUTAG_DETECT_NETWORK_UPDATES, detect_network_updates),
-     GIF(NUTAG_SHUTDOWN_EVENTS, shutdown_events),
-
      NTATAG_CONTACT(m),
 
 #if HAVE_SOFIA_SMIME
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_params.h b/libs/sofia-sip/libsofia-sip-ua/nua/nua_params.h
index a9993fe9a3..70df87f6d8 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_params.h
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_params.h
@@ -107,7 +107,6 @@ typedef struct nua_handle_preferences
 
   /* Subscriber state, i.e. nua_substate_pending */
   unsigned         nhp_substate;
-  unsigned         nhp_sub_expires;
 
   /* REGISTER keepalive intervals */
   unsigned         nhp_keepalive, nhp_keepalive_stream;
@@ -128,6 +127,9 @@ typedef struct nua_handle_preferences
   /** Outbound OPTIONS */
   char const         *nhp_outbound; 
   
+  /** Network detection: NONE, INFORMAL, TRY_FULL */
+  int                 nhp_detect_network_updates;
+  
   sip_allow_t        *nhp_appl_method;
 
   /** Initial route set */
@@ -135,12 +137,6 @@ typedef struct nua_handle_preferences
 
   union { struct {
     /* A bit for each feature set by application */
-    /* NOTE: 
-       Some compilers behave weird if there are bitfields
-       together with width > 32 
-       So there should be a padding field (unsigned:0;) 
-       every 32 bits. 
-    */
     unsigned nhb_retry_count:1;
     unsigned nhb_max_subscriptions:1;
 
@@ -170,15 +166,13 @@ typedef struct nua_handle_preferences
     unsigned nhb_refer_with_id:1;
     unsigned nhb_refer_expires:1;
     unsigned nhb_substate:1;
-    unsigned nhb_sub_expires:1;
     unsigned nhb_keepalive:1;
     unsigned nhb_keepalive_stream:1;
     unsigned nhb_registrar:1;
 
     unsigned nhb_allow:1;
-    unsigned :0;		/* at most 32 bits before this point */
     unsigned nhb_supported:1;
-
+    unsigned :0;		/* at most 32 bits ... */
     unsigned nhb_allow_events:1;
     unsigned nhb_user_agent:1;
     unsigned nhb_organization:1;
@@ -189,6 +183,7 @@ typedef struct nua_handle_preferences
     unsigned nhb_m_features:1;
     unsigned nhb_instance:1;
     unsigned nhb_outbound:1;
+    unsigned nhb_detect_network_updates:1;
     unsigned nhb_appl_method:1;
     unsigned nhb_initial_route:1;
     unsigned :0;
@@ -199,26 +194,6 @@ typedef struct nua_handle_preferences
 
 #define nhp_set nhp_set_.set_bits
 
-/** Global preferences for nua. */
-typedef struct {
-  /** Network detection: NONE, INFORMAL, TRY_FULL */
-  signed int ngp_detect_network_updates:3;
-  /** Pass events during shutdown, too */
-  int ngp_shutdown_events:1;
-
-  unsigned :0;			/* pad */
-  union { struct {
-    /* A bit for each feature set by application */
-    unsigned ngp_detect_network_updates:1;
-    unsigned ngp_shutdown_events:1;
-    unsigned :0;
-  } set_bits; 
-    unsigned set_unsigned[2];
-  } ngp_set_;
-} nua_global_preferences_t;
-
-#define ngp_set ngp_set_.set_bits
-
 #define DNHP_GET(dnhp, pref) ((dnhp)->nhp_##pref)
 
 #define NHP_GET(nhp, dnhp, pref)					\
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_publish.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_publish.c
index 9cd71c17bf..80d3ad5fbe 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_publish.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_publish.c
@@ -244,21 +244,19 @@ static int nua_publish_client_response(nua_client_request_t *cr,
 				       sip_t const *sip);
 
 static nua_client_methods_t const nua_publish_client_methods = {
-  SIP_METHOD_PUBLISH,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_PUBLISH,
+  0,
+  {
     /* create_dialog */ 0,
     /* in_dialog */ 0,
     /* target refresh */ 0
   },
-  nua_publish_client_template,	/* crm_template */
-  nua_publish_client_init,	/* crm_init */
-  nua_publish_client_request,	/* crm_send */
-  nua_publish_client_check_restart, /* crm_check_restart */
-  nua_publish_client_response,	/* crm_recv */
-  NULL,				/* crm_preliminary */
-  NULL,				/* crm_report */
-  NULL,				/* crm_complete */
+  nua_publish_client_template,
+  nua_publish_client_init,
+  nua_publish_client_request,
+  nua_publish_client_check_restart,
+  nua_publish_client_response,
+  /* nua_publish_client_preliminary */ NULL
 };
 
 /**@internal Send PUBLISH. */
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_register.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_register.c
index 4afffb7a88..58c76aea88 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_register.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_register.c
@@ -570,21 +570,18 @@ static int nua_register_client_response(nua_client_request_t *cr,
 					sip_t const *sip);
 
 static nua_client_methods_t const nua_register_client_methods = {
-  SIP_METHOD_REGISTER,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_REGISTER,
+  0,
+  {
     /* create_dialog */ 1,
     /* in_dialog */ 0,
     /* target refresh */ 0
   },
-  nua_register_client_template,	/* crm_template */
-  nua_register_client_init,	/* crm_init */
-  nua_register_client_request,	/* crm_send */
-  nua_register_client_check_restart, /* crm_check_restart */
-  nua_register_client_response,	/* crm_recv */
-  NULL,				/* crm_preliminary */
-  NULL,				/* crm_report */
-  NULL,				/* crm_complete */
+  nua_register_client_template,
+  nua_register_client_init,
+  nua_register_client_request,
+  nua_register_client_check_restart,
+  nua_register_client_response
 };
 
 /**@internal Send REGISTER. */
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_session.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_session.c
index 393f9e11e0..f4a07b6a28 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_session.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_session.c
@@ -191,7 +191,7 @@ static int nua_session_usage_shutdown(nua_owner_t *,
 				      nua_dialog_usage_t *);
 
 static int nua_invite_client_ack(nua_client_request_t *cr, tagi_t const *tags);
-static int nua_invite_client_complete(nua_client_request_t *cr);
+static int nua_invite_client_deinit(nua_client_request_t *cr);
 
 static nua_usage_class const nua_session_usage[1] = {
   {
@@ -238,8 +238,7 @@ void nua_session_usage_remove(nua_handle_t *nh,
 
   cr = du->du_cr;
 
-  if (cr && cr->cr_orq && cr->cr_status >= 200 && 
-      cr->cr_method == sip_method_invite) {
+  if (cr && cr->cr_orq && cr->cr_status >= 200) {
     ss->ss_reporting = 1;
     nua_invite_client_ack(cr, NULL);
     ss->ss_reporting = 0;
@@ -251,17 +250,14 @@ void nua_session_usage_remove(nua_handle_t *nh,
 
     if (cr->cr_method != sip_method_invite)
       continue;
-
     if (cr == du->du_cr)
       continue;
 
-    if (cr->cr_status < 200) {
-      nua_stack_event(nh->nh_nua, nh, 
-		      NULL,
-		      cr->cr_event,
-		      SIP_481_NO_TRANSACTION,
-		      NULL);
-    }
+    nua_stack_event(nh->nh_nua, nh, 
+		    NULL,
+		    cr->cr_event,
+		    SIP_481_NO_TRANSACTION,
+		    NULL);
 
     nua_client_request_destroy(cr);
 
@@ -546,21 +542,21 @@ static int nua_invite_client_report(nua_client_request_t *cr,
 				    tagi_t const *tags);
 
 nua_client_methods_t const nua_invite_client_methods = {
-  SIP_METHOD_INVITE,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_INVITE,
+  0,
+  { 
     /* create_dialog */ 1,
     /* in_dialog */ 1,
     /* target refresh */ 1
   },
-  NULL,				/* crm_template */
-  nua_invite_client_init,	/* crm_init */
-  nua_invite_client_request,	/* crm_send */
-  session_timer_check_restart,	/* crm_check_restart */
-  nua_invite_client_response,	/* crm_recv */
-  nua_invite_client_preliminary, /* crm_preliminary */
-  nua_invite_client_report,	/* crm_report */
-  nua_invite_client_complete,	/* crm_complete */
+  NULL,
+  nua_invite_client_init,
+  nua_invite_client_request,
+  session_timer_check_restart,
+  nua_invite_client_response,
+  nua_invite_client_preliminary,
+  nua_invite_client_report,
+  nua_invite_client_deinit
 };
 
 extern nua_client_methods_t const nua_bye_client_methods;
@@ -608,15 +604,10 @@ static int nua_invite_client_init(nua_client_request_t *cr,
   if (!du)
     return -1;
 
-  ss = nua_dialog_usage_private(du);
-
-  if (ss->ss_state >= nua_callstate_terminating)
-    return nua_client_return(cr, 900, "Session is terminating", msg);
-
   if (nua_client_bind(cr, du) < 0)
     return nua_client_return(cr, 900, "INVITE already in progress", msg);
 
-  cr->cr_neutral = 0;
+  ss = nua_dialog_usage_private(du);
 
   session_timer_preferences(ss->ss_timer,
 			    sip,
@@ -626,6 +617,8 @@ static int nua_invite_client_init(nua_client_request_t *cr,
 			    NH_PGET(nh, refresher),
 			    NH_PGET(nh, min_se));
 
+  cr->cr_neutral = 0;
+
   return 0;
 }
 
@@ -642,9 +635,6 @@ static int nua_invite_client_request(nua_client_request_t *cr,
   if (du == NULL)		/* Call terminated */ 
     return nua_client_return(cr, SIP_481_NO_TRANSACTION, msg);
 
-  if (ss->ss_state >= nua_callstate_terminating)
-    return nua_client_return(cr, 900, "Session is terminating", msg);
-
   assert(ss);
 
   invite_timeout = NH_PGET(nh, invite_timeout);
@@ -1057,7 +1047,7 @@ int nua_stack_ack(nua_t *nua, nua_handle_t *nh, nua_event_t e,
   if (error < 0) {
     if (ss->ss_reason == NULL)
       ss->ss_reason = "SIP;cause=500;text=\"Internal Error\"";
-    ss->ss_reporting = 1;	/* We report terminated state here if BYE fails */
+    ss->ss_reporting = 1;	/* We report state here if BYE fails */
     error = nua_client_create(nh, nua_r_bye, &nua_bye_client_methods, NULL);
     ss->ss_reporting = 0;
     signal_call_state_change(nh, ss, 500, "Internal Error", 
@@ -1100,7 +1090,6 @@ int nua_invite_client_ack(nua_client_request_t *cr, tagi_t const *tags)
   char const *invite_branch;
 
   assert(cr->cr_orq);
-  assert(cr->cr_method == sip_method_invite);
 
 
   if (!ds->ds_leg) {
@@ -1237,8 +1226,8 @@ int nua_invite_client_ack(nua_client_request_t *cr, tagi_t const *tags)
   return error;
 }
 
-/** Complete client request */
-static int nua_invite_client_complete(nua_client_request_t *cr)
+/** Deinitialize client request */
+static int nua_invite_client_deinit(nua_client_request_t *cr)
 {
   if (cr->cr_orq == NULL)
     /* Xyzzy */;
@@ -1274,21 +1263,18 @@ static int nua_cancel_client_request(nua_client_request_t *cr,
 				     tagi_t const *tags);
 
 nua_client_methods_t const nua_cancel_client_methods = {
-  SIP_METHOD_CANCEL,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_CANCEL,
+  0,
+  { 
     /* create_dialog */ 0,
     /* in_dialog */ 1,
     /* target refresh */ 0
   },
-  NULL,				/* crm_template */
-  NULL,				/* crm_init */
-  nua_cancel_client_request,	/* crm_send */
-  NULL,				/* crm_check_restart */
-  NULL,				/* crm_recv */
-  NULL,				/* crm_preliminary */
-  NULL,				/* crm_report */
-  NULL,				/* crm_complete */
+  NULL,
+  NULL,
+  nua_cancel_client_request,
+  /* nua_cancel_client_check_restart */ NULL,
+  /* nua_cancel_client_response */ NULL
 };
 
 int nua_stack_cancel(nua_t *nua, nua_handle_t *nh, nua_event_t e,
@@ -1507,21 +1493,20 @@ static int nua_prack_client_report(nua_client_request_t *cr,
 				   tagi_t const *tags);
 
 nua_client_methods_t const nua_prack_client_methods = {
-  SIP_METHOD_PRACK,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_PRACK,
+  0,
+  { 
     /* create_dialog */ 0,
     /* in_dialog */ 1,
     /* target refresh */ 0
   },
-  NULL,				/* crm_template */
-  nua_prack_client_init,	/* crm_init */
-  nua_prack_client_request,	/* crm_send */
-  NULL,				/* crm_check_restart */
-  nua_prack_client_response,	/* crm_recv */
-  NULL,				/* crm_preliminary */
-  nua_prack_client_report,	/* crm_report */
-  NULL,				/* crm_complete */
+  NULL,
+  nua_prack_client_init,
+  nua_prack_client_request,
+  /* nua_prack_client_check_restart */ NULL,
+  nua_prack_client_response,
+  NULL,
+  nua_prack_client_report
 };
 
 int nua_stack_prack(nua_t *nua, nua_handle_t *nh, nua_event_t e,
@@ -1557,8 +1542,6 @@ static int nua_prack_client_request(nua_client_request_t *cr,
   if (du == NULL)		/* Call terminated */
     return nua_client_return(cr, SIP_481_NO_TRANSACTION, msg);
   assert(ss);
-  if (ss->ss_state >= nua_callstate_terminating)
-    return nua_client_return(cr, 900, "Session is terminating", msg);
 
   cri = du->du_cr;
 
@@ -1837,7 +1820,6 @@ nua_invite_server_init(nua_server_request_t *sr)
 {
   nua_handle_t *nh = sr->sr_owner;
   nua_t *nua = nh->nh_nua;
-  nua_session_usage_t *ss;
 
   sr->sr_neutral = 1;
 
@@ -1854,8 +1836,9 @@ nua_invite_server_init(nua_server_request_t *sr)
     nua_client_request_t const *cr;
 
     for (sr0 = nh->nh_ds->ds_sr; sr0; sr0 = sr0->sr_next) {
-      /* Previous INVITE has not been ACKed */
-      if (sr0->sr_method == sip_method_invite)
+      /* Final response have not been sent to previous INVITE */
+      if (sr0->sr_method == sip_method_invite && 
+	  nua_server_request_is_pending(sr0))
 	break;
       /* Or we have sent offer but have not received an answer */
       if (sr->sr_sdp && sr0->sr_offer_sent && !sr0->sr_answer_recv)
@@ -1875,13 +1858,6 @@ nua_invite_server_init(nua_server_request_t *sr)
 	/* Glare - RFC 3261 14.2 and RFC 3311 section 5.2 */
 	return SR_STATUS1(sr, SIP_491_REQUEST_PENDING);
     }
-
-    ss = nua_dialog_usage_private(sr->sr_usage);
-
-    if (ss->ss_state < nua_callstate_ready &&
-	ss->ss_state != nua_callstate_init) {
-      return nua_server_retry_after(sr, 500, "Overlapping Requests 2", 0, 10);
-    }
   }
 
   sr->sr_neutral = 0;
@@ -1911,11 +1887,6 @@ nua_session_server_init(nua_server_request_t *sr)
     /* UPDATE/PRACK sent within an existing dialog? */
     return SR_STATUS(sr, 481, "Call Does Not Exist");
   }
-  else if (sr->sr_usage) {
-    nua_session_usage_t *ss = nua_dialog_usage_private(sr->sr_usage);
-    if (ss->ss_state >= nua_callstate_terminating)
-      return SR_STATUS(sr, 481, "Call is being terminated");
-  }
 
   if (nh->nh_soa) {
     sip_accept_t *a = nua->nua_invite_accept;
@@ -2001,10 +1972,8 @@ int nua_invite_server_preprocess(nua_server_request_t *sr)
 
   session_timer_store(ss->ss_timer, request);
 
-#if 0 /* The glare and overlap tests should take care of this. */
-  assert(ss->ss_state >= nua_callstate_completed ||
-	 ss->ss_state == nua_callstate_init);
-#endif
+  if (!(ss->ss_state >= nua_callstate_ready || ss->ss_state == nua_callstate_init)) 
+    return SR_STATUS1(sr, SIP_500_INTERNAL_SERVER_ERROR);
 
   if (NH_PGET(nh, auto_answer) ||
       /* Auto-answer to re-INVITE unless auto_answer is set to 0 on handle */
@@ -2350,7 +2319,7 @@ int process_ack(nua_server_request_t *sr,
       nua_stack_event(nh->nh_nua, nh, NULL,
 		      nua_i_media_error, status, phrase, NULL);
 
-      ss->ss_reporting = 1;	/* We report terminated state here if BYE fails */
+      ss->ss_reporting = 1;	/* We report state here if BYE fails */
       error = nua_client_create(nh, nua_r_bye, &nua_bye_client_methods, NULL);
       ss->ss_reporting = 0;
 
@@ -2447,7 +2416,7 @@ int process_timeout(nua_server_request_t *sr,
   /* send BYE, too, if 200 OK (or 183 to re-INVITE) timeouts  */
   ss->ss_reason = reason;
 
-  ss->ss_reporting = 1;		/* We report terminated state here if BYE fails */
+  ss->ss_reporting = 1;		/* We report state here if BYE fails */
   error = nua_client_create(nh, nua_r_bye, &nua_bye_client_methods, NULL);
   ss->ss_reporting = 0;
 
@@ -2818,21 +2787,18 @@ static int nua_info_client_request(nua_client_request_t *cr,
 				   tagi_t const *tags);
 
 nua_client_methods_t const nua_info_client_methods = {
-  SIP_METHOD_INFO,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_INFO,
+  0,
+  { 
     /* create_dialog */ 0,
     /* in_dialog */ 1,
     /* target refresh */ 0
   },
-  NULL,				/* crm_template */
-  nua_info_client_init,		/* crm_init */
-  nua_info_client_request,	/* crm_send */
-  NULL,				/* crm_check_restart */
-  NULL,				/* crm_recv */
-  NULL,				/* crm_preliminary */
-  NULL,				/* crm_report */
-  NULL,				/* crm_complete */
+  /*nua_info_client_template*/ NULL,
+  nua_info_client_init,
+  nua_info_client_request,
+  /*nua_info_client_check_restart*/ NULL,
+  /*nua_info_client_response*/ NULL
 };
 
 int
@@ -2968,21 +2934,20 @@ static int nua_update_client_report(nua_client_request_t *cr,
 				    tagi_t const *tags);
 
 nua_client_methods_t const nua_update_client_methods = {
-  SIP_METHOD_UPDATE,		/* crm_method, crm_method_name */
-  0,				/* crm_extrasize of private data */
-  {				/* crm_flags */
+  SIP_METHOD_UPDATE,
+  0,				/* size of private data */
+  { 
     /* create_dialog */ 0,
     /* in_dialog */ 1,
     /* target refresh */ 1
   },
-  NULL,				/* crm_template */
-  nua_update_client_init,	/* crm_init */
-  nua_update_client_request,	/* crm_send */
-  session_timer_check_restart,	/* crm_check_restart */
-  nua_update_client_response,	/* crm_recv */
-  NULL,				/* crm_preliminary */
-  nua_update_client_report,	/* crm_report */
-  NULL,				/* crm_complete */
+  NULL,
+  nua_update_client_init,
+  nua_update_client_request,
+  session_timer_check_restart,
+  nua_update_client_response,
+  NULL,
+  nua_update_client_report
 };
 
 int nua_stack_update(nua_t *nua, nua_handle_t *nh, nua_event_t e,
@@ -3017,8 +2982,6 @@ static int nua_update_client_request(nua_client_request_t *cr,
   if (du == NULL)		/* Call terminated */
     return nua_client_return(cr, SIP_481_NO_TRANSACTION, msg);
   assert(ss);
-  if (ss->ss_state >= nua_callstate_terminating)
-    return nua_client_return(cr, 900, "Session is terminating", msg);
 
   cri = du->du_cr;
 
@@ -3434,21 +3397,20 @@ static int nua_bye_client_report(nua_client_request_t *cr,
 				 tagi_t const *tags);
 
 nua_client_methods_t const nua_bye_client_methods = {
-  SIP_METHOD_BYE,		/* crm_method, crm_method_name */
-  0,				/* crm_extrasize */
-  {				/* crm_flags */
+  SIP_METHOD_BYE,
+  0,
+  { 
     /* create_dialog */ 0,
     /* in_dialog */ 1,
     /* target refresh */ 0
   },
-  NULL,				/* crm_template */
-  nua_bye_client_init,		/* crm_init */
-  nua_bye_client_request,	/* crm_send */
-  NULL,				/* crm_check_restart */
-  NULL,				/* crm_recv */
-  NULL,				/* crm_preliminary */
-  nua_bye_client_report,	/* crm_report */
-  NULL,				/* crm_complete */
+  NULL,
+  nua_bye_client_init,
+  nua_bye_client_request,
+  /*nua_bye_client_check_restart*/ NULL,
+  /*nua_bye_client_response*/ NULL,
+  /*nua_bye_client_preliminary*/ NULL,
+  nua_bye_client_report
 };
 
 int
@@ -3481,9 +3443,7 @@ static int nua_bye_client_init(nua_client_request_t *cr,
 
   if (nh->nh_soa)
     soa_terminate(nh->nh_soa, 0);
-
-  du->du_cr = NULL;
-  nua_client_bind(cr, du);
+  cr->cr_usage = du;
 
   return 0;
 }
@@ -3555,23 +3515,17 @@ static int nua_bye_client_report(nua_client_request_t *cr,
   else {
     nua_session_usage_t *ss = nua_dialog_usage_private(du);
 
-    if (ss->ss_reporting) {
-      return 1;			/* Somebody else's problem */
-    }
-    else if (cr->cr_waiting) {
-      return 1; /* Application problem */
-    }
-
     signal_call_state_change(nh, ss, status, "to BYE", 
 			     nua_callstate_terminated);
 
-    if (du && 
-	(du->du_cr == NULL ||
-	 !nua_client_is_queued(du->du_cr) ||
-	 du->du_cr->cr_status >= 200)) {
-      /* INVITE is completed, we can zap the session... */;
-      cr->cr_usage = NULL;
-      nua_session_usage_destroy(nh, ss);
+    if (ss && !ss->ss_reporting) {
+      if (du->du_cr == NULL ||
+	  !nua_client_is_queued(du->du_cr) ||
+	  du->du_cr->cr_status >= 200) {
+	/* INVITE is completed, we can zap the session... */;
+	cr->cr_usage = NULL;
+	nua_session_usage_destroy(nh, ss);
+      }
     }
   }
 
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_stack.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_stack.c
index bc5e626277..226fe5e398 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_stack.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_stack.c
@@ -209,7 +209,7 @@ int nua_stack_init(su_root_t *root, nua_t *nua)
   if (nua_stack_set_from(nua, 1, nua->nua_args) < 0)
     return -1;
 
-  if (nua->nua_prefs->ngp_detect_network_updates)
+  if (NHP_ISSET(dnh->nh_prefs, detect_network_updates))
     nua_stack_launch_network_change_detector(nua);
 
   nua_stack_timer(nua, nua->nua_timer, NULL);
@@ -293,8 +293,7 @@ int nua_stack_event(nua_t *nua, nua_handle_t *nh, msg_t *msg,
   if ((event > nua_r_authenticate && event <= nua_r_ack)
       || event < nua_i_error
       || (nh && !nh->nh_valid)
-      || (nua->nua_shutdown && event != nua_r_shutdown && 
-	  !nua->nua_prefs->ngp_shutdown_events)) {
+      ) {
     if (msg)
       msg_destroy(msg);
     return event;
@@ -2076,13 +2075,6 @@ nua_client_request_t *nua_client_request_remove(nua_client_request_t *cr)
   return cr;
 }
 
-void nua_client_request_complete(nua_client_request_t *cr)
-{
-  nua_client_request_remove(cr);
-  if (cr && cr->cr_methods->crm_complete)
-    cr->cr_methods->crm_complete(cr);
-}
-
 void nua_client_request_destroy(nua_client_request_t *cr)
 {
   nua_handle_t *nh;
@@ -2090,12 +2082,14 @@ void nua_client_request_destroy(nua_client_request_t *cr)
   if (cr == NULL)
     return;
 
-  nua_client_request_complete(cr);
+  if (cr->cr_methods->crm_deinit)
+    cr->cr_methods->crm_deinit(cr);
 
   nh = cr->cr_owner;
 
   nua_destroy_signal(cr->cr_signal);
 
+  nua_client_request_remove(cr);
   nua_client_bind(cr, NULL);
   
   if (cr->cr_msg)
@@ -2104,6 +2098,7 @@ void nua_client_request_destroy(nua_client_request_t *cr)
 
   if (cr->cr_orq)
     nta_outgoing_destroy(cr->cr_orq);
+
   cr->cr_orq = NULL;
 
   if (cr->cr_timer)
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_stack.h b/libs/sofia-sip/libsofia-sip-ua/nua/nua_stack.h
index cf6f9c4595..de99527258 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_stack.h
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_stack.h
@@ -217,31 +217,28 @@ struct nua_s {
   su_clone_r   	       nua_clone;
   su_task_r            nua_client;
 
+  su_network_changed_t *nua_nw_changed;
+
   nua_callback_f       nua_callback;
   nua_magic_t         *nua_magic;
 
   nua_event_frame_t   *nua_current;
   nua_saved_event_t    nua_signal[1];
 
-  /**< Used by stop-and-wait args calls */
-  tagi_t const        *nua_args;
-
   /* Engine state flags */
-  sip_time_t           nua_shutdown;
-
   unsigned             nua_shutdown_started:1; /**< Shutdown initiated */
   unsigned             nua_shutdown_final:1; /**< Shutdown is complete */
 
   unsigned             nua_from_is_set;
   unsigned :0;
   
-  /**< Local SIP address. Contents are kept around for ever. */
-  sip_from_t           nua_from[1];
+  /**< Used by stop-and-wait args calls */
+  tagi_t const        *nua_args;
 
-  /* ---------------------------------------------------------------------- */
+  /**< Local SIP address. Contents are kept around for ever. */
+  sip_from_t          nua_from[1];
 
   /* Protocol (server) side */
-  su_network_changed_t *nua_nw_changed;
 
   nua_registration_t *nua_registrations; /**< Active registrations */
 
@@ -253,8 +250,21 @@ struct nua_s {
   nta_agent_t        *nua_nta;
   su_timer_t         *nua_timer;
 
+  void         	      *nua_sip_parser;
+
+  sip_time_t           nua_shutdown;
+
+  /* Route */
+  sip_service_route_t *nua_service_route;
+
   /* User-agent parameters */
-  nua_global_preferences_t nua_prefs[1];
+  unsigned             nua_media_enable:1;
+
+  unsigned     	       :0;
+
+#if HAVE_SMIME		/* Start NRC Boston */
+  sm_object_t          *sm;
+#endif                  /* End NRC Boston */
 
   nua_handle_t        *nua_handles;
   nua_handle_t       **nua_handles_tail;
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_subnotref.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_subnotref.c
index 6207e73581..30ce9bd3c1 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_subnotref.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_subnotref.c
@@ -183,21 +183,18 @@ static int nua_subscribe_client_response(nua_client_request_t *cr,
 					 sip_t const *sip);
 
 static nua_client_methods_t const nua_subscribe_client_methods = {
-  SIP_METHOD_SUBSCRIBE,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_SUBSCRIBE,
+  0,
+  { 
     /* create_dialog */ 1,
     /* in_dialog */ 1,
     /* target refresh */ 1
   },
-  NULL,				/* crm_template */
-  nua_subscribe_client_init,	/* crm_init */
-  nua_subscribe_client_request,	/* crm_send */
-  NULL,				/* crm_check_restart */
-  nua_subscribe_client_response, /* crm_recv */
-  NULL,				/* crm_preliminary */
-  NULL,				/* crm_report */
-  NULL,				/* crm_complete */
+  NULL,
+  nua_subscribe_client_init,
+  nua_subscribe_client_request,
+  /* nua_subscribe_client_check_restart */ NULL,
+  nua_subscribe_client_response
 };
 
 int
@@ -371,9 +368,6 @@ static int nua_subscribe_client_response(nua_client_request_t *cr,
     else
       delta = 0;
 
-    if (delta > eu->eu_expires)
-      delta = eu->eu_expires;
-
     if (win_messenger_enable && !nua_dialog_is_established(nh->nh_ds)) {
       /* Notify from messanger does not match with dialog tag */ 
       nh->nh_ds->ds_remote_tag = su_strdup(nh->nh_home, "");
@@ -653,6 +647,8 @@ int nua_notify_server_report(nua_server_request_t *sr, tagi_t const *tags)
     if (substate == nua_substate_active || substate == nua_substate_pending) {
       if (subs && subs->ss_expires)
 	delta = strtoul(subs->ss_expires, NULL, 10);
+      else
+	delta = eu->eu_expires;
     }
     else if (substate == nua_substate_embryonic) {
       if (subs && subs->ss_reason) {
@@ -690,8 +686,7 @@ int nua_notify_server_report(nua_server_request_t *sr, tagi_t const *tags)
     nua_dialog_usage_set_refresh_range(du, retry, retry + 5);
   }
   else {
-    if (delta < SIP_TIME_MAX)
-      nua_dialog_usage_set_refresh(du, delta);
+    nua_dialog_usage_set_refresh(du, delta);
   }
 
   return retval;
@@ -782,21 +777,20 @@ static int nua_refer_client_response(nua_client_request_t *cr,
 				     sip_t const *sip);
 
 static nua_client_methods_t const nua_refer_client_methods = {
-  SIP_METHOD_REFER,		/* crm_method, crm_method_name */
-  0,				/* crm_extra */
-  {				/* crm_flags */
+  SIP_METHOD_REFER,
+  0,
+  { 
     /* create_dialog */ 1,
     /* in_dialog */ 1,
     /* target refresh */ 1
   },
-  NULL,				/* crm_template */
-  nua_refer_client_init,	/* crm_init */
-  nua_refer_client_request,	/* crm_send */
-  NULL,				/* crm_check_restart */
-  nua_refer_client_response,	/* crm_recv */
-  nua_refer_client_response,	/* crm_preliminary */
-  NULL,				/* crm_report */
-  NULL,				/* crm_complete */
+  /*nua_refer_client_template*/ NULL,
+  nua_refer_client_init,
+  nua_refer_client_request,
+  /* nua_refer_client_check_restart */ NULL,
+  nua_refer_client_response,
+  nua_refer_client_response,	/* Preliminary */
+  NULL
 };
 
 int
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua_tag.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua_tag.c
index cf40cd890f..88686a7454 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua_tag.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua_tag.c
@@ -227,22 +227,21 @@
  * - NUTAG_ALLOW_EVENTS(), SIPTAG_ALLOW_EVENTS(), and
  *                          SIPTAG_ALLOW_EVENTS_STR()
  * - NUTAG_MAX_SUBSCRIPTIONS()
- * - NUTAG_SUBSTATE(), NUTAG_SUB_EXPIRES()
+ * - NUTAG_SUBSTATE()
  * @par Specifications
  * - @RFC3265
  *
  * @par SIP Event Subscriber
  * - nua_subscribe(), #nua_r_subscribe, #nua_i_notify, NUTAG_SUBSTATE(),
- *   SIPTAG_EVENT(), SIPTAG_EXPIRES()
+ *   SIPTAG_EVENT(), SIPTAG_EXPIRES(),
  * - nua_unsubscribe(), #nua_r_unsubscribe()
  * @par Specifications
  * - @RFC3265
  *
  * @par SIP Event Notifier
  * - #nua_i_subscribe(), nua_notify(), #nua_r_notify,
- *   NUTAG_SUBSTATE(), NUTAG_SUB_EXPIRES(), SIPTAG_EVENT()
+ *   NUTAG_SUBSTATE(), SIPTAG_EVENT()
  * Settings:
- * - NUTAG_SUB_EXPIRES()
  * - NUTAG_ALLOW_EVENTS(), SIPTAG_ALLOW_EVENTS(), and
  *                          SIPTAG_ALLOW_EVENTS_STR()
  * - NUTAG_ALLOW("SUBSCRIBE"), NUTAG_APPL_METHOD("SUBSCRIBE")
@@ -268,8 +267,6 @@
  * Settings:
  * - NUTAG_ALLOW(x), NUTAG_APPL_METHOD(x)
  *
- * @par Server Shutdown
- * - nua_shutdown(), NUTAG_SHUTDOWN_EVENTS(), nua_destroy().
  */
 
 /* @par S/MIME
@@ -770,14 +767,14 @@ tag_typedef_t nutag_answer_sent = BOOLTAG_TYPEDEF(answer_sent);
  *
  * @par Used with
  * - with nua_create(), nua_set_params(), nua_get_params(),
- *   nua_handle(), nua_set_hparams(), nua_get_hparams(), and
- *   nua_notifier() to change the default subscription state returned by
- *   the internal event server
+ *    nua_handle(), nua_set_hparams(), nua_get_hparams(), and
+ *    nua_notifier() to change the default subscription state returned by
+ *    the intenal event server
  * - with nua_notify() and nua_respond() to SUBSCRIBE to determine the
- *   subscription state (if application include @SubscriptionState
- *   header in the tag list, the NUTAG_SUBSTATE() value is ignored)
+ *    subscription state (if application include @SubscriptionState
+ *    header in the tag list, the NUTAG_SUBSTATE() value is ignored)
  * - with #nua_r_subscribe, #nua_i_notify, #nua_i_subscribe, and #nua_r_notify
- *   to indicate the current subscription state
+ *    to indicate the current subscription state
  *
  * @par Parameter type
  *    int
@@ -809,39 +806,6 @@ tag_typedef_t nutag_substate = INTTAG_TYPEDEF(substate);
  */
 
 
-/**@def NUTAG_SUB_EXPIRES()
- *
- * Default expiration time of subscriptions.
- *
- * @par Used with
- * - with nua_create(), nua_set_params(), nua_get_params(), nua_handle(),
- *   nua_set_hparams(), nua_get_hparams(), nua_respond(), nua_notify(), and
- *   nua_notifier() to change the default expiration time of subscriptions
- *
- * @par Parameter type
- *    unsigned int
- *
- * @par Values
- *   - default expiration time in seconds
- *
- * Note that the expires parameter in @SubscriptionState or @Expires header
- * in the nua_response() to the SUBSCRIBE overrides the default subscription
- * expiration specified by NUTAG_SUB_EXPIRES().
- *
- * @sa @RFC3265, NUTAG_REFER_EXPIRES(), @Expires, SIPTAG_EXPIRES(),
- * SIPTAG_EXPIRES_STR(), @SubscriptionState, nua_respond(), nua_notifier(),
- * #nua_r_subscribe, #nua_i_subscribe, #nua_r_refer, #nua_r_notify,
- * #nua_i_notify.
- *
- * Corresponding tag taking reference parameter is NUTAG_SUB_EXPIRES_REF().
- */
-tag_typedef_t nutag_sub_expires = UINTTAG_TYPEDEF(substate);
-
-/**@def NUTAG_SUB_EXPIRES_REF(x) 
- * Reference tag for NUTAG_SUB_EXPIRES().
- */
-
-
 /**@def NUTAG_NEWSUB()
  *
  * Send unsolicited NOTIFY request.
@@ -1111,17 +1075,17 @@ tag_typedef_t nutag_update_refresh = BOOLTAG_TYPEDEF(update_refresh);
  * REFER.
  *
  * @par Used with
- *    nua_handle(), nua_respond() \n
- *    nua_set_params() or nua_set_hparams() \n
- *    nua_get_params() or nua_get_hparams()
+ *    nua_set_params() \n
+ *    nua_get_params() \n
+ *    nua_set_hparams() \n
+ *    nua_get_hparams() \n
  *
  * @par Parameter type
  *    unsigned int
  *
  * @par Values
- *    - default interval in seconds
- *
- * @sa NUTAG_SUB_EXPIRES()
+ *    @c 0  disable \n
+ *    @c >0 interval in seconds
  *
  * Corresponding tag taking reference parameter is NUTAG_REFER_EXPIRES_REF().
  */
@@ -1606,9 +1570,6 @@ extern msg_hclass_t sip_route_class[];
  * NUTAG_INITIAL_ROUTE_STR() tags, the route set is constructed from them
  * all.
  *
- * The initial route is inserted into request message before the route
- * entries set with SIPTAG_ROUTE() or SIPTAG_ROUTE_STR().
- *
  * @par Used with
  *    nua_set_params() \n
  *    nua_set_hparams() \n
@@ -2775,39 +2736,6 @@ tag_typedef_t nutag_dialog = UINTTAG_TYPEDEF(dialog);
  * Reference tag for NUTAG_SIP_PARSER().
  */
 
-
-/**@def NUTAG_SHUTDOWN_EVENTS(x)
- *
- * Allow passing of normal events when stack is being shut down.
- *
- * By default, only #nua_r_shutdown events are passed to application after
- * calling nua_shutdown(). If application is interested in nua events during
- * shutdown, it should give NUTAG_SHUTDOWN_EVENTS(1) to nua_create() or
- * nua_set_params() called before nua_shutdown().
- *
- * @par Used with
- *    nua_create(), nua_set_params().
- *
- * @par Parameter type
- *    int (boolean)
- *
- * @par Values
- *    @c 0   False \n
- *    @c !=0 True
- *
- * Corresponding tag taking reference parameter is NUTAG_SHUTDOWN_EVENTS_REF().
- *
- * @sa nua_shutdown(), nua_destroy().
- * 
- * @NEW_1_12_9.
- */
-tag_typedef_t nutag_shutdown_events = BOOLTAG_TYPEDEF(shutdown_events);
-
-/**@def NUTAG_SHUTDOWN_EVENTS_REF(x) 
- * Reference tag for NUTAG_SHUTDOWN_EVENTS().
- */
-
-
 /* ---------------------------------------------------------------------- */
 
 tag_typedef_t nutag_soa_session = PTRTAG_TYPEDEF(soa_session);
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/sofia-sip/nua_tag.h b/libs/sofia-sip/libsofia-sip-ua/nua/sofia-sip/nua_tag.h
index b8d71c7ca8..01d825e8a5 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/sofia-sip/nua_tag.h
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/sofia-sip/nua_tag.h
@@ -497,16 +497,12 @@ SOFIAPUBFUN char const *nua_substate_name(enum nua_substate substate);
 /** Convert string to enum nua_substate. @NEW_1_12_5. */
 SOFIAPUBFUN enum nua_substate nua_substate_make(char const *sip_substate);
 
-#define NUTAG_SUB_EXPIRES(x) nutag_sub_expires, tag_uint_v(x)
-SOFIAPUBVAR tag_typedef_t nutag_sub_expires;
-#define NUTAG_SUB_EXPIRES_REF(x) nutag_sub_expires_ref, tag_uint_vr(&(x))
-SOFIAPUBVAR tag_typedef_t nutag_sub_expires_ref;
-
 #define NUTAG_NEWSUB(x)   nutag_newsub, tag_bool_v(x)
 SOFIAPUBVAR tag_typedef_t nutag_newsub;
 #define NUTAG_NEWSUB_REF(x) nutag_newsub_ref, tag_bool_vr(&(x))
 SOFIAPUBVAR tag_typedef_t nutag_newsub_ref;
 
+
 #define NUTAG_REFER_EXPIRES(x)  nutag_refer_expires, tag_uint_v((x))
 SOFIAPUBVAR tag_typedef_t nutag_refer_expires;
 #define NUTAG_REFER_EXPIRES_REF(x) nutag_refer_expires_ref, tag_uint_vr((&(x)))
@@ -573,13 +569,6 @@ SOFIAPUBVAR tag_typedef_t nutag_detect_network_updates;
           nutag_detect_network_updates_ref, tag_int_vr(&(x))
 SOFIAPUBVAR tag_typedef_t nutag_detect_network_updates_ref;
 
-#define NUTAG_SHUTDOWN_EVENTS(x) \
-  nutag_shutdown_events, tag_bool_v(x)
-SOFIAPUBVAR tag_typedef_t nutag_shutdown_events;
-#define NUTAG_SHUTDOWN_EVENTS_REF(x) \
-  nutag_shutdown_events_ref, tag_bool_vr(&(x))
-SOFIAPUBVAR tag_typedef_t nutag_shutdown_events_ref;
-
 /* Pass nua handle as tagged argument */
 #if SU_INLINE_TAG_CAST
 su_inline tag_value_t nutag_handle_v(nua_handle_t *v) { return (tag_value_t)v; }