FS-5322 stable equiv

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -1522,6 +1522,13 @@ static switch_status_t sofia_send_dtmf(switch_core_session_t *session, const swi
 	switch_assert(tech_pvt != NULL);
 
 	if (sofia_test_flag(tech_pvt, TFLAG_DROP_DTMF)) {
+		const char *file = switch_channel_get_variable_dup(tech_pvt->channel, "drop_dtmf_masking_file", SWITCH_FALSE, -1);
+
+		if (!zstr(file)) {
+			switch_ivr_broadcast(switch_core_session_get_uuid(session), file, SMF_ECHO_ALEG);
+		}
+		
+
 		return SWITCH_STATUS_SUCCESS;
 	}