[cisco-voip] FAX and disabling SuperG3 calls somehow on router

[Eric Knudson]

Maybe you can disable modem passthrough, enable fax relay, then
disable ecm there?


On Fri, 14 Jan 2005 15:02:56 -0800 (PST), Erick Bergquist
<erickbe at yahoo.com> wrote:
> Does anyone know of a way to force a FAX call to not
> use SuperG3?  Can we do 'fax rate 14400' under POTS
> dial peers to force it to G3 only?
> 
> Problem is client has Savin FAX machine and if you
> disable ECM on it, but it gets a SuperG3 call it will
> turn on ECM for that call.
> 
> Were getting a couple fax's that are 1 page of streaks
> now and then. Not on all calls, one out of every 50 or
> so on average. Most Calls come in a PRI and go out FXS
> port on same router. There are some calls that come in
> from other branches over VoIP peers.
> 
> On the failed faxes, client is seeing a 'fr-pkt-loss
> 4' in debug followed by a 'fr-pkt-loss 3' message.
> 
> Erick
> 
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