diff --git a/bridge_master.py b/bridge_master.py
index 42d1e75..65c9cf7 100644
--- a/bridge_master.py
+++ b/bridge_master.py
@@ -1827,6 +1827,9 @@ class routerHBP(HBSYSTEM):
        
         if _call_type == 'unit' and (_dtype_vseq == 6 or _dtype_vseq == 7 or (_stream_id != self.STATUS[_slot]['RX_STREAM_ID'] and _dtype_vseq == 3)):
             _data_call = True
+            
+            SUB_MAP['_int_id'] = (_peer_id,_slot,pkt_time)
+            
             if _dtype_vseq == 3:
                 logger.info('(%s) *UNIT CSBK* STREAM ID: %s SUB: %s (%s) PEER: %s (%s) DST_ID %s (%s), TS %s', \
                         self._system, int_id(_stream_id), get_alias(_rf_src, subscriber_ids), int_id(_rf_src), get_alias(_peer_id, peer_ids), int_id(_peer_id), get_alias(_dst_id, talkgroup_ids), int_id(_dst_id), _slot)
@@ -1892,6 +1895,13 @@ class routerHBP(HBSYSTEM):
                 elif CONFIG['SYSTEMS'][CONFIG['GLOBAL']['DATA_GATEWAY']]['MODE'] != 'OPENBRIDGE':
                     logger.warning('(%s) UNIT Data not Bridged - DATA_GATEWAY: %s not OPENBRIDGE. DST_ID: %s',self._system, CONFIG['GLOBAL']['DATA_GATEWAY'],_int_dst_id)
                 
+            if _dst_id in SUB_MAP:
+                (_d_peer_id,_d_slot,_d_time) = SUB_MAP[_dst_id]:
+                    _dst_slot  = systems[system].STATUS[_d_slot]
+                #If slot is idle for RX and TX
+                #print("RX:"+str(_slot['RX_TYPE'])+" TX:"+str(_slot['TX_TYPE'])+" TIME:"+str(time() - _slot['TX_TIME']))
+                if (_dst_slot['RX_TYPE'] == HBPF_SLT_VTERM) and (_dst_slot['TX_TYPE'] == HBPF_SLT_VTERM) and (time() - _slot['TX_TIME'] > CONFIG['SYSTEMS'][system]['GROUP_HANGTIME']):
+