FS-6223 --resolve

diff --git a/src/mod/endpoints/mod_sofia/sofia_presence.c b/src/mod/endpoints/mod_sofia/sofia_presence.c
index 30e114c6c2c6b35f3b5a84a39be048c7b4fde494..f88a6f0a996522f90d81526dc09df20036e3a8a6 100644 (file)
--- a/src/mod/endpoints/mod_sofia/sofia_presence.c
+++ b/src/mod/endpoints/mod_sofia/sofia_presence.c
@@ -3968,7 +3968,7 @@ void sofia_presence_handle_sip_i_subscribe(int status,
                                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Sending NOTIFY with Expires [0] and State [%s]\n", sstr);
                        }
 
-                       if (zstr(full_agent) || !switch_stristr("zoiper", full_agent)) {
+                       if (zstr(full_agent) || (*full_agent != 'z' && *full_agent != 'Z')) {
                                /* supress endless loop bug with zoiper */
                                nua_notify(nh,
                                                   SIPTAG_EXPIRES_STR("0"),