[cisco-voip] Fax debuging?
Sean Watkins
sean at northrock.bm
Tue Apr 17 15:08:59 EDT 2007
Hi Kris,
Checked that. The bearer caps are indeed
Bearer Capability i = 0x8090A2
Standard = CCITT
Transer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Very strange.
Sean
--
Sean Watkins
North Rock Communications
Phone: 441-540-4102
________________________________
From: Kris Seraphine [mailto:baryonyx5 at gmail.com]
Sent: Tuesday, April 17, 2007 2:58 PM
To: Sean Watkins
Cc: ciscovoip
Subject: Re: [cisco-voip] Fax debuging?
This is a shot in the dark but, if the calls are being rejected,
maybe the bearer cap for these calls is not being accepted by the
carrier. If you debug isdn q931 you'll see the bearer capabilities for
the call. A normal voice call is usually 0x8090A2. If the fax calls
show a different value you could use the bearer-cap speech command on
the voice port.
On 4/17/07, Sean Watkins <sean at northrock.bm> wrote:
Hi,
I have an interesting problem. I have a specific carrier
that I connect
via PRI which on cisco eqpt or another vendors TDMoIP
gear, cannot seem
to pass any faxes.
Phone calls complete succesfully, but faxes no. Faxes to
other carriers
on the same eqpt (either cisco or TDMoIP) work ok. So,
its pretty much
something in particular with this carrier.
Any suggestions? In talking to the carrier they are not
doing anything
funky but I am at a loss as to why faxes do not complete
on that
specific carrier. They are the typical carrier where of
course nothing
is their problem ...
I've checked ----
1) Clean T1s
2) Good Timing
3) Verified the Cisco gear works as I get the
same problems on
another piece of eqpt
What else is there to check? Is there any fax
diagnostics box I can get?
Any suggestions short of firing this carrier?
Sean
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--
kris seraphine
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