Voice over IP Cisco - MGCP and FXS ports

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Author MGCP and FXS ports
Robert Harvey

2006-09-22, 1:11 am

Apologies if someone has already said this. Make sure ip routing is
enabled. I had a similar issue with a bunch of vg224s and the cause was
that I had neglected to enable ip routing within IOS.

I hope that helps!

----------------------------------------------------------------
Robert Harvey
Network Support Analyst
Fleming College
Peterborough, ON, Canada
Office (705) 749-5513
Fax (705) 749-5540
experience.success
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I have a fax machine connected to an FXS port off my gateway. I have
the
Gateway configured for MGCP. The port is configured in CallManager and
the DN for the fax machine has been added. When I call the fax either
from and external line or 4 digits I get fax tone. When they attempt
to
make an outbound call from the fax machine, they get dial tone and it
will attempt to dial the digits and then immediately go to a fast
busy.
If I do a show voice port summary, I see the port go off hook. I have
looked through the CallManager's logs and I don't think it ever
reaches
the CM. I have configured an IP phone to emulate the port and DN
settings and I am able to make call internal and external. So it
appears
that the call routing in CM is fine. All the fax machines on the FXS
ports are doing this. Has anyone ever seen this before?



David Fielder

Senior Engineer

Dimension Data

Office: (336) 510-9431

Mobile: (336) 669-5129

david.fielder@us.didata.com
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