[cisco-voip] Fwd: Faxing over SIP Trunk

[Voice Noob]

So is there a way you can go directly to the Call Manager or to the gateway
as H.323 and remove SIP from the problem?

On Fri, Jul 11, 2008 at 9:40 AM, Nick <csvoip at googlemail.com> wrote:

> 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.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>  ------------------------------
>>>>>
>>>>> *Disclaimer: This e-mail communication and any attachments may contain
>>>>> confidential and privileged information and is for use by the designated
>>>>> addressee(s) named above only. If you are not the intended addressee, you
>>>>> are hereby notified that you have received this communication in error and
>>>>> that any use or reproduction of this email or its contents is strictly
>>>>> prohibited and may be unlawful. If you have received this communication in
>>>>> error, please notify us immediately by replying to this message and deleting
>>>>> it from your computer. Thank you. *
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> cisco-voip mailing list
>>>> cisco-voip at puck.nether.net
>>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>>
>>>>
>>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/cisco-voip/attachments/20080711/855b1a09/attachment-0001.html>