[cisco-voip] Fwd: Faxing over SIP Trunk

[Nick]

We are going straight into the CUCM and then routing the calls from there to
a gateway and out the PSTN.

2008/7/10 James Buchanan <jbuchanan at ctiusa.com>:

>  Are you going through a gateway or going straight into UCM?
>
>
>
> *From:* Matt Slaga (US) [mailto:Matt.Slaga at us.didata.com]
> *Sent:* Thursday, July 10, 2008 10:55 AM
> *To:* Nick; cisco-voip at puck-nether.net; James Buchanan
> *Subject:* RE: [cisco-voip] Fwd: Faxing over SIP Trunk
>
>
>
> Make sure you are using G711 over your SIP trunk.
>
>
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Nick
> *Sent:* Thursday, July 10, 2008 11:52 AM
> *To:* cisco-voip at puck-nether.net; James Buchanan
> *Subject:* [cisco-voip] Fwd: Faxing over SIP Trunk
>
>
>
> We are trying to fax over IP across the SIP trunk and route out of a PSTN
> gateway. I missed typed my e-mail and it was supposed to say faxes are not
> working.
>
> 2008/7/10 James Buchanan <jbuchanan at ctiusa.com>:
>
>
>
> Is this FoIP?
>
>
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Nick
> *Sent:* Thursday, July 10, 2008 10:40 AM
> *To:* cisco-voip at puck-nether.net
> *Subject:* [cisco-voip] Faxing over SIP Trunk
>
>
>
> We are having some issues with faxing over a SIP trunk, the setup is Nortel
> CS1000 > SIP Trunk > CUCM 6.1. All outbound calls from the CS1000 are routed
> to go out of a gateway connected to the CUCM, phone calls are fine but faxes
> are working, the calls are getting to the gateway and you hear the fax
> machine answer and get fax tone for about a second then it cuts off. The
> debug on the gateway shows normal call clearing and no errors.
>
>
>
> Does anyone have any experience of this sort of set up? or any useful
> troubleshooting tips.
>
>
>
>
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