[cisco-voip] Fax Machines

[Ed Leatherman]

We are using SCCP controlled FXS ports on VG224. So far only seeing the
problem on 1 fax machine - I'm assuming its just more sensitive. No fax
relay, just pass through as far as I know. Codec is G.711.

On 7/5/06, Justin Church <jcc at unc.edu> wrote:
>
> Are you using ATAs or FXS ports on your gateway for the fax machines?
> We've seen similar behavior on our fax machines when using ATAs, but
> have had no problems since moving them to FXS ports on the gateways.
>
> -jc
>
> Ed Leatherman wrote:
> > I hate these things :)
> >
> > Have a fax machine at a remote campus that is having trouble recieving
> > multi-page faxes. For example it might get halfway through page 8 and
> > spit out a comm error report. Sending seems to work just fine for them.
> >
> > Right now i'm looking at the PRI's they are using and I'm seeing clock
> > slips on both T1 controllers, which i've read could cause this problem.
> > I double checked with the service provider and they say I am supposed to
> > use their clocking, which matches the default config on my T1
> > controllers (clock source line). Anyone have any advice on figuring out
> > what is causing the clock slips? Thanks!
> >
> > --
> > Ed Leatherman
> > IP Telephony Coordinator
> > West Virginia University
> > Telecommunications and Network Operations
> >
> >
> > ------------------------------------------------------------------------
> >
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>



-- 
Ed Leatherman
IP Telephony Coordinator
West Virginia University
Telecommunications and Network Operations
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