Hi,

You didn¹t look very hard, freeswitch does this out of the box... Just note T.38 does not work over RTP, it uses UPDTL for a transport...

Actually, it can do both. http://www.rfc-editor.org/rfc/rfc6466.txt UDPTL was created before RTP, but has been superceded, except that it won't die because people implement only UDPTL. Fax implementations should IMHO prefer to use image/t38 over RTP/UDP or RTP/TCP. It will mean that generic tooling is made accessible to fax. Cheers, -Rick

I don't know if there is a good example of directly accessing the libfreeswitch api for doing faxing... Its probably easier to just install a stripped down version of freeswitch then control it via either mod_eventsocket or mod_xml_rpc On 12/17/12 1:36 AM, "hagai" <hagai.sela@gmail.com> wrote:

I know freeswitch does this out of the box, I just wanted an example on how to use the libfreeswitch API to do it.

On Sun, 2012-12-16 at 16:42 -0600, Ken

Rice wrote: You didn¹t look very hard, freeswitch does this out of the box... Just note T.38 does not work over RTP, it uses UPDTL for a

transport...

Just google freeswitch t.38 or freeswitch fax

On 12/16/12 1:30 PM, "hagai sela" <hagai.sela@gmail.com> wrote:

Hi, I want to write a small C# app that sends and receives faxes

over SIP/RTP/T.38 and I thought about using FreeSwitch. I tried to look for examples on this and couldn't find any. Can anyone post such an example?

Thanks.

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