freetdm - ISDN Allowed state change from RING to PROGRESS_MEDIA

libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c

@@ -120,7 +120,7 @@ ftdm_state_map_t sangoma_isdn_state_map = {
 		ZSD_INBOUND,
 		ZSM_UNACCEPTABLE,
 		{FTDM_CHANNEL_STATE_RING, FTDM_END},
-		{FTDM_CHANNEL_STATE_TERMINATING, FTDM_CHANNEL_STATE_HANGUP, FTDM_CHANNEL_STATE_PROCEED, FTDM_CHANNEL_STATE_RINGING, FTDM_CHANNEL_STATE_PROGRESS, FTDM_END}
+		{FTDM_CHANNEL_STATE_TERMINATING, FTDM_CHANNEL_STATE_HANGUP, FTDM_CHANNEL_STATE_PROCEED, FTDM_CHANNEL_STATE_RINGING, FTDM_CHANNEL_STATE_PROGRESS, FTDM_CHANNEL_STATE_PROGRESS_MEDIA, FTDM_END}
 	},
 	{
 		ZSD_INBOUND,