bigblock454
MIS
Hi All, I seem to have too many threads for my drop issue, so I thought I'd start this new, up to date thread.
Setup: 4 locations, 1 hub (3mm), 3 spokes (1mm, Hwy, 21mm)
All connected by B8ZS/ESF PTP Full T1s on 1721 Cisco routers running QoS. Switches are Avaya P133GT2s with port prioritization on voice and router ports.
Problem: If a call comes into the Hwy spoke and is transferred directly to another spoke, the call will drop 100% of the time. If the call is transferred to the 3mm hub FIRST, and THEN transferred to another spoke, the call will stay connected.
Our bandwidth is underutilized most of the time, we have virtually no congestion, packet loss, jitter etc. I have never been able to find anything that indicates the problem.
The error that accompanies a drop is consistent (call information removed):
176379090mS ERR: EXCEPTION ON MEDIA CONNECTION --- Error from protocol entity! MSDSE --- local timer expired ...[call information]…
176379091mS CD: CALL: 40.64.1 Deleted
176379095mS CMLineTx: v=40
CMReleaseComp
Line: type=IPLine 40 Call: lid=40 id=64 in=1
Cause=2, No route to specific transit network/(5ESS)Calling party off hold
In all the time we have tried to troubleshoot this, we have focused on the destination and believed it was random and unpredictable. In fact it is nether random nor unpredictable. The calls ALWAYS originate at the Hwy, and ALWAYS drop if directly transferred to another spoke. The calls ALWAYS stay connected if sent to the hub FIRST. I am beginning to wonder if we have a bad DS or corrupt config at the Hwy location.
Setup: 4 locations, 1 hub (3mm), 3 spokes (1mm, Hwy, 21mm)
All connected by B8ZS/ESF PTP Full T1s on 1721 Cisco routers running QoS. Switches are Avaya P133GT2s with port prioritization on voice and router ports.
Problem: If a call comes into the Hwy spoke and is transferred directly to another spoke, the call will drop 100% of the time. If the call is transferred to the 3mm hub FIRST, and THEN transferred to another spoke, the call will stay connected.
Our bandwidth is underutilized most of the time, we have virtually no congestion, packet loss, jitter etc. I have never been able to find anything that indicates the problem.
The error that accompanies a drop is consistent (call information removed):
176379090mS ERR: EXCEPTION ON MEDIA CONNECTION --- Error from protocol entity! MSDSE --- local timer expired ...[call information]…
176379091mS CD: CALL: 40.64.1 Deleted
176379095mS CMLineTx: v=40
CMReleaseComp
Line: type=IPLine 40 Call: lid=40 id=64 in=1
Cause=2, No route to specific transit network/(5ESS)Calling party off hold
In all the time we have tried to troubleshoot this, we have focused on the destination and believed it was random and unpredictable. In fact it is nether random nor unpredictable. The calls ALWAYS originate at the Hwy, and ALWAYS drop if directly transferred to another spoke. The calls ALWAYS stay connected if sent to the hub FIRST. I am beginning to wonder if we have a bad DS or corrupt config at the Hwy location.