[cisco-voip] Fwd: Faxing over SIP Trunk

[Nick]

Correct.

2008/7/11 Voice Noob <voicenoob at gmail.com>:

> Also you are not doing any type of FoIP, you are simply hanging a fax
> machine off an analog port to connet to the PSTN correct?
>
>
> On Fri, Jul 11, 2008 at 9:30 AM, Voice Noob <voicenoob at gmail.com> wrote:
>
>> Why don't you send the call from the Nortel box as H.323 directly to the
>> gateway and skip the SIP trunk?
>>
>>   On Thu, Jul 10, 2008 at 11:32 AM, Nick <csvoip at googlemail.com> wrote:
>>
>>>  We are using fax machines connected to the Nortel CS1000 pbx which
>>> routes the faxes over the SIP trunk to CUCM 6.1, which then routes to a H323
>>> gateway and out of an E1 to the PSTN. This is just for outbound faxes as all
>>> inbound are local to the site.
>>>
>>>
>>> 2008/7/10 James Buchanan <jbuchanan at ctiusa.com>:
>>>
>>>>  Depends. Are you using a FoIP solution, or are you using fax machines
>>>> for inbound and outbound faxing?
>>>>
>>>>
>>>>
>>>> *From:* Nick [mailto:csvoip at googlemail.com]
>>>> *Sent:* Thursday, July 10, 2008 11:24 AM
>>>>
>>>> *To:* James Buchanan
>>>> *Cc:* Matt Slaga (US); cisco-voip at puck-nether.net
>>>> *Subject:* Re: [cisco-voip] Fwd: Faxing over SIP Trunk
>>>>
>>>>
>>>>
>>>> Do I have to use T38 for this to work then, the gateway is already set
>>>> up for modem passthrough as the calls come from the CUCM to the gateway and
>>>> faxing from elsewhere is working fine, it's just the faxes that originate
>>>> across the SIP trunk that do not work.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> 2008/7/10 James Buchanan <jbuchanan at ctiusa.com>:
>>>>
>>>> I believe this may give you some assistance:
>>>>
>>>>
>>>>
>>>>
>>>> http://www.cisco.com/en/US/docs/ios/12_3/vvf_c/cisco_ios_fax_services_over_ip_application_guide/t38.html#wp1158066
>>>>
>>>>
>>>>
>>>> This will help you troubleshoot the T.38 side.
>>>>
>>>>
>>>>
>>>> *From:* Nick [mailto:csvoip at googlemail.com]
>>>> *Sent:* Thursday, July 10, 2008 11:09 AM
>>>>
>>>>
>>>> *To:* James Buchanan
>>>> *Cc:* Matt Slaga (US); cisco-voip at puck-nether.net
>>>> *Subject:* Re: [cisco-voip] Fwd: Faxing over SIP Trunk
>>>>
>>>>
>>>>
>>>> Yes, the call goes out of an H323 gateway to the PSTN.
>>>>
>>>> 2008/7/10 James Buchanan <jbuchanan at ctiusa.com>:
>>>>
>>>> Are you using an H323 gateway?
>>>>
>>>>
>>>>
>>>> *From:* Nick [mailto:csvoip at googlemail.com]
>>>> *Sent:* Thursday, July 10, 2008 11:03 AM
>>>> *To:* James Buchanan
>>>> *Cc:* Matt Slaga (US); cisco-voip at puck-nether.net
>>>> *Subject:* Re: [cisco-voip] Fwd: Faxing over SIP Trunk
>>>>
>>>>
>>>>
>>>> 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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>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
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>>>
>>
>
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