[cisco-voip] T1 PRI stuck channel

[CarlosOrtiz at bayviewfinancial.com]

We had a location with a PRI experience an issue yesterday.  Layer 1-3 
status was good.  It appears that the 1st B channel was in a stuck state. 
Inbound and outbound calls were both set up to use low to high channels. 
After running the "show voice call summary" I would see the following 
output and the status would not change.

PORT           CODEC    VAD VTSP STATE            VPM STATE
============== ======== === ==================== ======================
0/0/1:23.1      g711ulaw  n  S_WAIT_STATS          S_TSP_WAIT_RELEASE      



After changing outbound calls to high to low the outbound calls started 
working again.  This lead me to believe that there was some kind of 
hardware/DSP or software issue.   I tried a shut no shut on the voice port 
and the controller but that did not fix the inbound problem.  A reboot did 
fix the issue.

Anyone seen something similar?

Carlos
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