diff --git a/libs/openzap/src/ozmod/ozmod_isdn/ozmod_isdn.c b/libs/openzap/src/ozmod/ozmod_isdn/ozmod_isdn.c
index ffee6f7b20..a46e81a4a1 100644
--- a/libs/openzap/src/ozmod/ozmod_isdn/ozmod_isdn.c
+++ b/libs/openzap/src/ozmod/ozmod_isdn/ozmod_isdn.c
@@ -1650,7 +1650,8 @@ static zap_state_map_t isdn_state_map = {
 			ZSD_INBOUND,
 			ZSM_UNACCEPTABLE,
 			{ZAP_CHANNEL_STATE_PROGRESS, ZAP_CHANNEL_STATE_PROGRESS_MEDIA, ZAP_END},
-			{ZAP_CHANNEL_STATE_HANGUP, ZAP_CHANNEL_STATE_PROGRESS_MEDIA, ZAP_CHANNEL_STATE_CANCEL, ZAP_CHANNEL_STATE_UP, ZAP_END},
+			{ZAP_CHANNEL_STATE_HANGUP, ZAP_CHANNEL_STATE_TERMINATING, ZAP_CHANNEL_STATE_PROGRESS_MEDIA, 
+			 ZAP_CHANNEL_STATE_CANCEL, ZAP_CHANNEL_STATE_UP, ZAP_END},
 		},
 		{
 			ZSD_INBOUND,