[cisco-voip] mgcp gateway channel out of service issue

[abbas Wali]

HI,



We are currently having issues with out MGCP gateway with the E1 channels
going out of service once in few weeks time. We have the configs checked by
Cisco and the whole hardware replaced including the LCN coming in from
PSTN. Cisco guys initially proposed to change the echo cancellor from 64 to
128 on the gateways. Which we followed.



A single channel going out in the middle of the day which we have to reboot
the whole controller and lose all the active calls is causing a nuisance.



Not sure what is the cause for it.  We have been going through the logs and
not sure what exactly should we check the logs for!!! i.e.  Will it be the
CUCM throwing the channel out of service or the gateways itself.


thanks
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