diff --git a/conf/sip_profiles/internal.xml b/conf/sip_profiles/internal.xml
index 93558a3584..3e756a85c0 100644
--- a/conf/sip_profiles/internal.xml
+++ b/conf/sip_profiles/internal.xml
@@ -132,6 +132,8 @@
     <param name="record-template" value="${caller_id_number}.${target_domain}.${strftime(%Y-%m-%d-%H-%M-%S)}.wav"/>
     <!--enable to use presence -->
     <param name="manage-presence" value="true"/>
+    <!-- send a presence probe on each register to query devices to send presence instead of sending presence with less info -->
+    <!--<param name="presence-probe-on-register" value="true"/>-->
     <!--<param name="manage-shared-appearance" value="true"/>-->
     <!-- used to share presence info across sofia profiles -->
     <!-- Name of the db to use for this profile -->
diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index 3c8404dd6b..3bb926adf3 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -3936,7 +3936,7 @@ static switch_call_cause_t sofia_outgoing_channel(switch_core_session_t *session
 			dest_num = p + 5;
 		}
 	}
-#endif
+
 
 	if (profile->pres_type) {
 		char *sql;
@@ -3957,6 +3957,7 @@ static switch_call_cause_t sofia_outgoing_channel(switch_core_session_t *session
 		sofia_glue_actually_execute_sql(profile, sql, profile->ireg_mutex);
 		switch_safe_free(sql);
 	}
+#endif
 
 	caller_profile = switch_caller_profile_clone(nsession, outbound_profile);
 
diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.h b/src/mod/endpoints/mod_sofia/mod_sofia.h
index c1244c05f1..6970a7ab05 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.h
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.h
@@ -224,6 +224,7 @@ typedef enum {
 	PFLAG_IN_DIALOG_CHAT,
 	PFLAG_DEL_SUBS_ON_REG,
 	PFLAG_IGNORE_183NOSDP,
+	PFLAG_PRESENCE_PROBE_ON_REGISTER,
 	/* No new flags below this line */
 	PFLAG_MAX
 } PFLAGS;
diff --git a/src/mod/endpoints/mod_sofia/sofia.c b/src/mod/endpoints/mod_sofia/sofia.c
index 4d9bd7fd7b..e20d868548 100644
--- a/src/mod/endpoints/mod_sofia/sofia.c
+++ b/src/mod/endpoints/mod_sofia/sofia.c
@@ -2405,6 +2405,12 @@ switch_status_t reconfig_sofia(sofia_profile_t *profile)
 						} else {
 							sofia_clear_pflag(profile, PFLAG_IGNORE_183NOSDP);
 						}
+					} else if (!strcasecmp(var, "presence-probe-on-register")) {
+						if (switch_true(val)) {
+							sofia_set_pflag(profile, PFLAG_PRESENCE_PROBE_ON_REGISTER);
+						} else {
+							sofia_clear_pflag(profile, PFLAG_PRESENCE_PROBE_ON_REGISTER);
+						}
 					} else if (!strcasecmp(var, "cid-in-1xx")) {
 						if (switch_true(val)) {
 							sofia_set_pflag(profile, PFLAG_CID_IN_1XX);
@@ -3070,6 +3076,12 @@ switch_status_t config_sofia(int reload, char *profile_name)
 						} else {
 							sofia_clear_pflag(profile, PFLAG_IGNORE_183NOSDP);
 						}
+					} else if (!strcasecmp(var, "presence-probe-on-register")) {
+						if (switch_true(val)) {
+							sofia_set_pflag(profile, PFLAG_PRESENCE_PROBE_ON_REGISTER);
+						} else {
+							sofia_clear_pflag(profile, PFLAG_PRESENCE_PROBE_ON_REGISTER);
+						}
 					} else if (!strcasecmp(var, "cid-in-1xx")) {
 						if (switch_true(val)) {
 							sofia_set_pflag(profile, PFLAG_CID_IN_1XX);
@@ -4420,7 +4432,6 @@ static void sofia_handle_sip_r_invite(switch_core_session_t *session, int status
 										 contact_host, astate, "outbound", user_agent,
 										 profile->name, mod_sofia_globals.hostname, switch_str_nil(full_contact),
 										 switch_str_nil(presence_id), switch_str_nil(presence_data), switch_str_nil(p));
-
 					switch_assert(sql);
 
 					sofia_glue_actually_execute_sql(profile, sql, profile->ireg_mutex);
@@ -6872,8 +6883,9 @@ void sofia_handle_sip_i_invite(nua_t *nua, sofia_profile_t *profile, nua_handle_
 
 			sql =
 				switch_mprintf
-				("select call_id from sip_dialogs where call_info='%q' and sip_from_user='%q' and sip_from_host='%q' and call_id is not null",
-				 switch_str_nil(p), user, host);
+				("select call_id from sip_dialogs where call_info='%q' and ((sip_from_user='%q' and sip_from_host='%q') or presence_id='%q@%q') "
+				 "and call_id is not null",
+				 switch_str_nil(p), user, host, user, host);
 
 			if ((str = sofia_glue_execute_sql2str(profile, profile->ireg_mutex, sql, cid, sizeof(cid)))) {
 				bnh = nua_handle_by_call_id(nua, str);
diff --git a/src/mod/endpoints/mod_sofia/sofia_presence.c b/src/mod/endpoints/mod_sofia/sofia_presence.c
index 4b853de6b1..95ea913a61 100644
--- a/src/mod/endpoints/mod_sofia/sofia_presence.c
+++ b/src/mod/endpoints/mod_sofia/sofia_presence.c
@@ -567,7 +567,8 @@ static void actual_sofia_presence_event_handler(switch_event_t *event)
 			}
 
 			if (probe_euser && probe_host && (profile = sofia_glue_find_profile(probe_host))) {
-				sql = switch_mprintf("select status,rpid from sip_dialogs where sip_from_user='%q' and sip_from_host='%q'", probe_euser, probe_host);
+				sql = switch_mprintf("select status,rpid from sip_dialogs where ((sip_from_user='%q' and sip_from_host='%q') or presence_id='%q@%q')", 
+									 probe_euser, probe_host, probe_euser, probe_host);
 				sofia_glue_execute_sql_callback(profile, profile->ireg_mutex, sql, sofia_presence_dialog_callback, &dh);
 
 				h.profile = profile;
@@ -591,9 +592,11 @@ static void actual_sofia_presence_event_handler(switch_event_t *event)
 									 "'%q','%q' "
 
 									 "from sip_registrations left join sip_dialogs on "
-									 "(sip_dialogs.sip_from_user = sip_registrations.sip_user "
-									 "and (sip_dialogs.sip_from_host = sip_registrations.orig_server_host or "
-									 "sip_dialogs.sip_from_host = sip_registrations.sip_host) ) "
+									 "sip_dialogs.presence_id = sip_registrations.sip_user || '@' || sip_registrations.sip_host "
+
+
+									 "or (sip_dialogs.sip_from_user = sip_registrations.sip_user "
+									 "and sip_dialogs.sip_from_host = sip_registrations.sip_host) "
  
 									 "left join sip_presence on "
 									 "(sip_registrations.sip_user=sip_presence.sip_user and sip_registrations.orig_server_host=sip_presence.sip_host and "
@@ -601,7 +604,8 @@ static void actual_sofia_presence_event_handler(switch_event_t *event)
 									 "where sip_dialogs.presence_id='%q@%q' or (sip_registrations.sip_user='%q' and "
 									 "(sip_registrations.orig_server_host='%q' or sip_registrations.sip_host='%q' "
 									 "or sip_registrations.presence_hosts like '%%%q%%'))",
-									 dh.status, dh.rpid, probe_euser, probe_host,  probe_euser, probe_host, probe_host, probe_host);
+									 dh.status, dh.rpid, 
+									 probe_euser, probe_host,  probe_euser, probe_host, probe_host, probe_host);
 				switch_assert(sql);
 				
 				if (mod_sofia_globals.debug_presence > 0) {
@@ -711,9 +715,10 @@ static void actual_sofia_presence_event_handler(switch_event_t *event)
 				sql = switch_mprintf("update sip_dialogs set call_info='%q',call_info_state='%q' where hostname='%q' and uuid='%q'",
 									 call_info, call_info_state, mod_sofia_globals.hostname, uuid);
 			} else {
-				sql = switch_mprintf("update sip_dialogs set call_info='%q', call_info_state='%q' where hostname='%q' and sip_dialogs.sip_from_user='%q' "
-									 "and sip_dialogs.sip_from_host='%q' and call_info='%q'",
-									 call_info, call_info_state, mod_sofia_globals.hostname, euser, host, call_info);
+				sql = switch_mprintf("update sip_dialogs set call_info='%q', call_info_state='%q' where hostname='%q' and "
+									 "((sip_dialogs.sip_from_user='%q' and sip_dialogs.sip_from_host='%q') or presence_id='%q@%q') and call_info='%q'",
+									 
+									 call_info, call_info_state, mod_sofia_globals.hostname, euser, host, euser, host, call_info);
 
 			}
 
@@ -737,7 +742,8 @@ static void actual_sofia_presence_event_handler(switch_event_t *event)
 			sofia_glue_execute_sql_now(profile, &sql, SWITCH_TRUE);
 		}
 
-		sql = switch_mprintf("select status,rpid from sip_dialogs where sip_from_user='%q' and sip_from_host='%q'", euser, host);
+		sql = switch_mprintf("select status,rpid from sip_dialogs where ((sip_from_user='%q' and sip_from_host='%q') or presence_id='%q@%q')", 
+							 euser, host, euser, host);
 		sofia_glue_execute_sql_callback(profile, profile->ireg_mutex, sql, sofia_presence_dialog_callback, &dh);
 		switch_safe_free(sql);
 		
@@ -753,17 +759,20 @@ static void actual_sofia_presence_event_handler(switch_event_t *event)
 								  "(sip_subscriptions.sub_to_user=sip_presence.sip_user and sip_subscriptions.sub_to_host=sip_presence.sip_host and "
 								  "sip_subscriptions.profile_name=sip_presence.profile_name) "
 								  "left join sip_dialogs on "
+								  
+								  "sip_dialogs.presence_id = sip_subscriptions.sub_to_user || '@' || sip_subscriptions.sub_to_host or "
 
+								  
 								  "(sip_dialogs.sip_from_user = sip_subscriptions.sub_to_user "
 								  "and sip_dialogs.sip_from_host = sip_subscriptions.sub_to_host) "
 								  
 								  "where sip_subscriptions.expires > -1 and "
-								  "(event='%q' or event='%q') and (sub_to_user='%q' or sip_dialogs.presence_id like '%q@%%') "
+								  "(event='%q' or event='%q') and sub_to_user='%q' "
 								  "and (sub_to_host='%q' or presence_hosts like '%%%q%%') "
 								  "and (sip_subscriptions.profile_name = '%q' or sip_subscriptions.presence_hosts != sip_subscriptions.sub_to_host)",
 								  switch_str_nil(status), switch_str_nil(rpid), host, 
 								  dh.status,dh.rpid,
-								  event_type, alt_event_type, euser, euser, host, host, profile->name))) {
+								  event_type, alt_event_type, euser, host, host, profile->name))) {
 			
 			struct presence_helper helper = { 0 };			
 
@@ -1918,7 +1927,8 @@ static void sync_sla(sofia_profile_t *profile, const char *to_user, const char *
 	switch_core_hash_init(&sh->hash, sh->pool);
 
 	sql = switch_mprintf("select sip_from_user,sip_from_host,call_info,call_info_state,uuid from sip_dialogs "
-						 "where hostname='%q' " "and sip_from_user='%q' and sip_from_host='%q' ", mod_sofia_globals.hostname, to_user, to_host);
+						 "where hostname='%q' " "and ((sip_from_user='%q' and sip_from_host='%q) or presence_id='%q@%q')' ", 
+						 mod_sofia_globals.hostname, to_user, to_host, to_user, to_host);
 
 
 	if (mod_sofia_globals.debug_sla > 1) {
@@ -1954,7 +1964,8 @@ static void sync_sla(sofia_profile_t *profile, const char *to_user, const char *
 
 
 	if (clear) {
-		sql = switch_mprintf("delete from sip_dialogs where sip_from_user='%q' and sip_from_host='%q' and call_info_state='seized'", to_user, to_host);
+		sql = switch_mprintf("delete from sip_dialogs where ((sip_from_user='%q' and sip_from_host='%q') or presence_id='%q@%q') "
+							 "and call_info_state='seized'", to_user, to_host, to_user, to_host);
 
 
 		if (mod_sofia_globals.debug_sla > 1) {
@@ -2326,8 +2337,9 @@ void sofia_presence_handle_sip_i_subscribe(int status,
 						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "CANCEL LINE SEIZE\n");
 					}
 
-					sql = switch_mprintf("delete from sip_dialogs where sip_from_user='%q' and sip_from_host='%q' and call_info_state='seized'",
-										 to_user, to_host);
+					sql = switch_mprintf("delete from sip_dialogs where ((sip_from_user='%q' and sip_from_host='%q') or presence_id='%q@%q') "
+										 "and call_info_state='seized'",
+										 to_user, to_host, to_user, to_host);
 
 
 					if (mod_sofia_globals.debug_sla > 1) {
@@ -2360,8 +2372,9 @@ void sofia_presence_handle_sip_i_subscribe(int status,
 
 
 
-					sql = switch_mprintf("delete from sip_dialogs where sip_from_user='%q' and sip_from_host='%q' and call_info_state='seized'",
-										 to_user, to_host);
+					sql = switch_mprintf("delete from sip_dialogs where ((sip_from_user='%q' and sip_from_host='%q') or presence_id='%q@%q') "
+										 "and call_info_state='seized'",
+										 to_user, to_host, to_user, to_host);
 
 
 					if (mod_sofia_globals.debug_sla > 1) {
diff --git a/src/mod/endpoints/mod_sofia/sofia_reg.c b/src/mod/endpoints/mod_sofia/sofia_reg.c
index 216f808e4f..e93bdaac08 100644
--- a/src/mod/endpoints/mod_sofia/sofia_reg.c
+++ b/src/mod/endpoints/mod_sofia/sofia_reg.c
@@ -1445,27 +1445,27 @@ uint8_t sofia_reg_handle_register(nua_t *nua, sofia_profile_t *profile, nua_hand
 				}
 			}
 
-
-#if 0
-			if (switch_event_create(&s_event, SWITCH_EVENT_PRESENCE_PROBE) == SWITCH_STATUS_SUCCESS) {
-				switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "proto", SOFIA_CHAT_PROTO);
-				switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "login", profile->name);
-				switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "from", "%s@%s", to_user, sub_host);
-				switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "to", "%s@%s", to_user, sub_host);
-				switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "event_type", "presence");
-				switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "alt_event_type", "dialog");
-				switch_event_fire(&s_event);
+			if (sofia_test_pflag(profile, PFLAG_PRESENCE_PROBE_ON_REGISTER)) {
+				if (switch_event_create(&s_event, SWITCH_EVENT_PRESENCE_PROBE) == SWITCH_STATUS_SUCCESS) {
+					switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "proto", SOFIA_CHAT_PROTO);
+					switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "login", profile->name);
+					switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "from", "%s@%s", to_user, sub_host);
+					switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "to", "%s@%s", to_user, sub_host);
+					switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "event_type", "presence");
+					switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "alt_event_type", "dialog");
+					switch_event_fire(&s_event);
+				}
+			} else {
+				if (switch_event_create(&s_event, SWITCH_EVENT_PRESENCE_IN) == SWITCH_STATUS_SUCCESS) {
+					switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "proto", SOFIA_CHAT_PROTO);
+					switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "login", profile->name);
+					switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "from", "%s@%s", to_user, sub_host);
+					switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "rpid", "unknown");
+					switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "status", "Registered");
+					switch_event_fire(&s_event);
+				}		
 			}
-#else
-			if (switch_event_create(&s_event, SWITCH_EVENT_PRESENCE_IN) == SWITCH_STATUS_SUCCESS) {
-				switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "proto", SOFIA_CHAT_PROTO);
-				switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "login", profile->name);
-				switch_event_add_header(s_event, SWITCH_STACK_BOTTOM, "from", "%s@%s", to_user, sub_host);
-				switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "rpid", "unknown");
-				switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "status", "Registered");
-				switch_event_fire(&s_event);
-			}				
-#endif
+			
 		} else {
 			if (switch_event_create_subclass(&s_event, SWITCH_EVENT_CUSTOM, MY_EVENT_UNREGISTER) == SWITCH_STATUS_SUCCESS) {
 				switch_event_add_header_string(s_event, SWITCH_STACK_BOTTOM, "profile-name", profile->name);