[SIPForum-discussion] SIP T.38

Tomi Lindström tomi.lindstrom at aina.fi
Wed Jun 1 06:36:12 UTC 2011


I have used Audiocodes mediapack for GW and works fine with SIP/T38 to
analog fax.
Audiocodes GW got 2 to 4 analog ports depending on the model.

And Wireshark is great tool for diagnostic and debugging. They got
plugin for audiocodes debug records. You can send debug records from
Audiocodes mediapack to your PC where you have Wireshark running and
there for interpret the signaling.

I guess there is a lot of that sort of ATA on market which works fine
like linksys 3102.

I hope this makes some sense to you.


On Sat, 2011-05-28 at 11:26 +0530, vamshi krishna wrote:
> Hi every one in the forum.
> Am trying to test a VOIP gateway which works with legacy PSTN & T.38.
> UA<--------(SIP)---------->GW<---------?---------->FAX.
> My question is what will be the call flow between the GW & FAX and
> what type of tool is to capture flow.
> 2.Type of UA to support FOIP.
> 3.Can any one suggest test bed setup to test the GW.
> If possible can any provide the links related to protocol flows btw GW
> & FAX.
> Thanks in Advance.
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