[cisco-voip] VG224 + SCCP + FAX + CCM4.1(3) supported?

[Lelio Fulgenzi]

What do you mean by disabling ECM on all FXS ports - I was under the 
impression that's a FAX configuration.

----- Original Message ----- 
From: "Paul Choi" <asobihoudai at yahoo.com>
To: "Jason Aarons (US)" <jason.aarons at us.didata.com>; 
<cisco-voip at puck.nether.net>
Sent: Monday, January 28, 2008 9:57 PM
Subject: Re: [cisco-voip] VG224 + SCCP + FAX + CCM4.1(3) supported?


>I got FAX working by disabling ECM on all FXS ports
> and enabling fax protocol pass-through codec g711ulaw
> on the router where the incoming calls were
> originating with a PRI. I stuck the same commands on
> the local router and the VG224 and FAX transmissions
> were successful henceforth. Thanks folks!
>
> Paul
>
> --- "Jason Aarons (US)" <jason.aarons at us.didata.com>
> wrote:
>
>> After spending several hours with TAC after a 224
>> IOS upgrade, doing
>> debug hpi and extensive troubleshooting to no avail
>> (the pcm capture
>> said it was the PSTN), we decided to downgrade VG224
>> IOS. That didn't
>> work.  Changed IOS again and it worked.  I would try
>> 2-3 versions of IOS
>> before opening a TAC case.
>>
>> I have several sites with SCCP/VG224.  The global
>> "voice service voip /
>> modem passthru" on both VG224 and Gateway is
>> recommended.  Disable G3
>> and no ECM.  I have modem, faxes, credit card
>> readers working when doing
>> this.
>>
>> -----Original Message-----
>> From: cisco-voip-bounces at puck.nether.net
>> [mailto:cisco-voip-bounces at puck.nether.net] On
>> Behalf Of Paul Choi
>> Sent: Monday, January 28, 2008 6:42 PM
>> To: cisco-voip at puck.nether.net
>> Subject: [cisco-voip] VG224 + SCCP + FAX + CCM4.1(3)
>> supported?
>>
>> I have installed the latest IOS on the VG224 and
>> have
>> the needed ports registered on the CCM cluster using
>> SCCP. Voice calls work fine. FAX transmissions
>> however
>> don't work the first time around. The first time I
>> transmit, I get nothing. The second time the fax is
>> automatically retried, it apparently sends ok.
>>
>> Is SCCP + fax passthrough just not supported? I see
>> no
>> documentation on this on Cisco's website.
>>
>> I'm pulling my hair out.... :(
>>
>> Paul
>>
>>
>>
>>
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