FS-4331 please test and post a new log if necessary

src/include/switch_types.h

@@ -1224,6 +1224,7 @@ typedef enum {
 	CF_CHANNEL_SWAP,
 	CF_PICKUP,
 	CF_CONFIRM_BLIND_TRANSFER,
+	CF_NO_PRESENCE,
 	/* WARNING: DO NOT ADD ANY FLAGS BELOW THIS LINE */
 	/* IF YOU ADD NEW ONES CHECK IF THEY SHOULD PERSIST OR ZERO THEM IN switch_core_session.c switch_core_session_request_xml() */
 	CF_FLAG_MAX

src/mod/applications/mod_dptools/mod_dptools.c

@@ -3521,6 +3521,7 @@ static switch_call_cause_t pickup_outgoing_channel(switch_core_session_t *sessio
 
 	pickup_add_session(nsession, pickup);
 	switch_channel_set_flag(nchannel, CF_PICKUP);
+	switch_channel_set_flag(nchannel, CF_NO_PRESENCE);
 	
 	goto done;
 

src/switch_channel.c

@@ -606,6 +606,10 @@ SWITCH_DECLARE(void) switch_channel_perform_presence(switch_channel_t *channel,
 	const char *call_info = NULL;
 	char *call_info_state = "active";
 
+	if (switch_channel_test_flag(channel, CF_NO_PRESENCE)) {
+		return;
+	}
+
 	if (!status) {
 		type = SWITCH_EVENT_PRESENCE_OUT;
 	}