use timeout cause code MODSOFIA-22

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@14587 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -695,6 +695,7 @@ static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_f
 		if (--sanity && switch_channel_ready(channel)) {
 			switch_yield(10000);
 		} else {
+			switch_channel_hangup(tech_pvt->channel, SWITCH_CAUSE_RECOVERY_ON_TIMER_EXPIRE);
 			return SWITCH_STATUS_GENERR;
 		}
 	}