diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index 71268757f6..6ce5e9cf08 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -2658,6 +2658,10 @@ static switch_call_cause_t sofia_outgoing_channel(switch_core_session_t *session
 		}
 		
 		gateway_ptr->ob_calls++;
+		
+		if (!switch_strlen_zero(gateway_ptr->from_domain)) {
+			switch_channel_set_variable(nchannel, "sip_invite_domain", gateway_ptr->from_domain);
+		}
 
 		if (gateway_ptr->ob_vars) {
 			switch_event_header_t *hp;
diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.h b/src/mod/endpoints/mod_sofia/mod_sofia.h
index e1dbcaf7bc..bfdd30566b 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.h
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.h
@@ -356,6 +356,7 @@ struct sofia_gateway {
 	char *register_context;
 	char *expires_str;
 	char *register_url;
+	char *from_domain;
 	sofia_transport_t register_transport;
 	uint32_t freq;
 	time_t expires;