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

[Paul Choi]

I might have incorrectly recalled what I put in the
box. I'll have to check and get back to you...


--- Lelio Fulgenzi <lelio at uoguelph.ca> wrote:

> I understand what ECM is - but I was confused about
> how you said you 
> disabled it on the FXS ports.
> 
> Is there an ECM setting on FXS ports? I thought it
> was just on the FAX 
> machine you disable ECM.
> 
>
--------------------------------------------------------------------------------
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph *
> Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
>
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> "Life expectancy would grow by leaps and bounds if
> green vegetables smelled 
> as good as bacon."
> Doug Larson
> 
> 
> ----- Original Message ----- 
> From: "Paul Choi" <asobihoudai at yahoo.com>
> To: "Lelio Fulgenzi" <lelio at uoguelph.ca>; "Jason
> Aarons (US)" 
> <jason.aarons at us.didata.com>;
> <cisco-voip at puck.nether.net>
> Sent: Monday, January 28, 2008 10:46 PM
> Subject: Re: [cisco-voip] VG224 + SCCP + FAX +
> CCM4.1(3) supported?
> 
> 
> > ECM is commonly used for FAX but has a low
> tolerance
> > for errors and can cause FAX transmissions to fail
> at
> > a higher than normal rate.
> >
> > ...so I read in the Cisco manual.
> >
> > Paul
> >
> > --- Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
> >
> >> 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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