This is the part of the output of "sh controllers E1" on h323 gateway - Framing is CRC4, Line code is HDB3, Clock source is Line...
This means that clock rate has been configured correctly, I guess. Can someone please help?
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It's configured correctly if the connected device or circuit is supplying clock. If not, you need clock source internal.
In addition to that, on ISR routers, you need "network-clock-participate" commands to avoid slips.
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Thanks a lot for your reply. Really helps a lot. could you please tell me what is the function of Modem Passthrough configuration?
Then why apply the command at all? Seems very peculiar to me, I am doing it since it's a customer request.
Does this command work on pots dial-peers?
Well, if customers knew what they're doing, they would be the system integrators, and we would be doing something else.
So I would inform him that cisco recommends modem relay, then yhey still want modem pass-trough there is small chapter about it in the documentation.
Thanks Paolo, actually the customer request read like this - " could you please put codec G-711 A-law on these pots dial-peers? "
I was guessing that they were requesting modem passthrough. Or is there something else involved?