What sip trunking provider are you using that works well with T.38?

On Wed, Aug 17, 2011 at 3:09 PM, Tony Graziano <tgrazi...@myitdepartment.net
> wrote:

> NO.
>
> It works for us with both PRI and SIPTRUNK.
>
> Your provider or gateway must be capable of sending t.38 or g.711 and
> allowing a reinvite to t.38.
>
> You have neglected to indicate HOW the faxes are coming to sipx. You might
> consider running a fs_cli in debug and looking at the sofia.log for this, as
> it is very FS centric.
>
> We went through several providers in order to find an ITSP that properly
> terminates t.38 in a way that just works with sipx. If you are using a POTS
> or PRI gateway, they must also be t.38 capable for fax mode.
>
> The only time you will hear the fax tone is when the invite or re-invite
> negotiates t.38. I somehow think you are not negotiating t.38 or you would
> be getting a tone.
>
> On Wed, Aug 17, 2011 at 4:03 PM, Gabe Casey 
> <gca...@franklinamerican.com>wrote:
>
>> Is inbound fax to email support sipxecs 4.4 dependent on SipXecs-Bridge.
>>
>> I have tested and am getting connection but no fax tone.
>> It works perfectly when directed at a trunk using sipxecs-bridge
>>
>> *Gabrial Casey*
>> *Telecommunications*
>> Franklin American Mortgage Company
>> 501 Corporate Center Dr.
>> Suite 400
>> Franklin, TN 37067
>> Direct:615-468-2945
>> Cell: 615-852-5015
>> Fax: 615-628-5698
>> Email:gca...@franklinamerican.com
>>
>>
>>
>>
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>
>
>
> --
> ======================
> Tony Graziano, Manager
> Telephone: 434.984.8430
> sip: tgrazi...@voice.myitdepartment.net
> Fax: 434.465.6833
>
> Email: tgrazi...@myitdepartment.net
>
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>
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-- 
Kevin George
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