FS-3236 --resolve

src/mod/endpoints/mod_sofia/sofia.c

@@ -4790,7 +4790,7 @@ static void sofia_handle_sip_i_state(switch_core_session_t *session, int status,
 
 	if (status == 183 && !r_sdp) {
 		if ((channel && switch_true(switch_channel_get_variable(channel, "sip_ignore_183nosdp"))) || sofia_test_pflag(profile, PFLAG_IGNORE_183NOSDP)) {
-			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s Ignoring 183 w/o sdp\n", switch_channel_get_name(channel));
+			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s Ignoring 183 w/o sdp\n", channel ? switch_channel_get_name(channel) : "None");
 			goto done;
 		}
 		status = 180;