[cisco-voip] CME Fax Problem Explanation?

[Nick Matthews]

If your call flow is something like:  VG204--WAN--Router-FXS, you need
it on the router and the vg204.  Fax is 100% always a 2-sided
configuration.

Slips on voice T1s kill faxes faster than anything else.  'show
controllers t1' is what you want to look at, and 'network-clock-select
1 t1 0/0/0' is the usual fix.

-nick

On Tue, Jul 13, 2010 at 9:28 AM, Kim, Hyoun S <Hyoun.Kim at chartercom.com> wrote:
> Hi Nick.  Thanks for the reply  How exactly would I do that (check for
> slips).
>
>
>
> This is all I really have for configuration of the VG204 that we have.
>
> voice service voip
>
>  fax protocol pass-through g711ulaw
>
>
>
> I was told you could configure the speed at which faxes are sent.  You think
> this would fix my problem?  I found out that the fax machines in the branch
> office are those Super G3 fax machines.
>
>
>
> The connection we have is a T1.  Not sure what’s on the corporate side but I
> assume it’s a T1 as well.
>
>
>
> Hyoun Kim
>
> Network Administrator
>
> Charter Media - East Division
>
> 640 Broadmor Blvd, Suite 80
>
> Murfreesboro, TN 37129
>
>
>
> Email: Hyoun.Kim at chartercom.com
>
> Office: 615.217.6245
>
> Fax: 615.217.6247
>
>
>
> From: matthn at gmail.com [mailto:matthn at gmail.com] On Behalf Of Nick Matthews
> Sent: Monday, July 12, 2010 6:17 PM
> To: Kim, Hyoun S
> Cc: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] CME Fax Problem Explanation?
>
>
>
> Check your connections to corporate for slips on T1s.  It's the easy
> culprit.  Otherwise, packet loss or a lack of fax configuration.
>
> -nick
>
> On Mon, Jul 12, 2010 at 4:01 PM, Kim, Hyoun S <Hyoun.Kim at chartercom.com>
> wrote:
>
> Can anyone suggest how to troubleshoot the following problem?  I have a
> branch office who has their entire office on a Call Manager Express solution
> with VG Gateways for their fax machines.  When they try to fax things to
> corporate (in another state), they get errors about a poor connection and
> the fax doesn’t send.  They’ve tried various fax machines within their
> office (on different Voice Gateways) & get the same result.  However, when
> they fax to anywhere number with a fax machine or even receive faxes, there
> are no errors and faxes are received/sent normally.  Corporate says they can
> receive faxes from others too, just not that particular branch office.  Any
> suggestions?
>
>
>
> Error! Filename not specified.
>
> ________________________________
>
> Hyoun Kim • Network Administrator – East Division
>
> 640 Broadmor Blvd • Suite 80 • Murfreesboro, TN 37129
>
> ' 615.217.6245 • 7 615.217.6247 • * Hyoun.Kim at chartercom.com
>
>
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