make sure to remove sip_dialogs when we should

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -458,7 +458,7 @@ switch_status_t sofia_on_hangup(switch_core_session_t *session)
 	}
 
 	if (session && tech_pvt->profile->pres_type) {
-		char *sql = switch_mprintf("delete from sip_dialogs where call_id='%q'", tech_pvt->call_id);
+		char *sql = switch_mprintf("delete from sip_dialogs where uuid='%q'", switch_core_session_get_uuid(session));
 		switch_assert(sql);
 		sofia_glue_execute_sql_now(tech_pvt->profile, &sql, SWITCH_TRUE);
 	}