[asterisk-users] 1.6, t.38 and zoiper - t38_udptl or t38pt_udptl ?

[Olivier]

2008/12/3 Olivier <oza-4h07 at myamail.com>

>
>
> 2008/12/3 Steve Underwood <steveu at coppice.org>
>
>> Hi,
>>
>> I would be interested in any reports of anyone getting a T.38 FAX to
>> send or receive successfully with Zoiper. I've tried to test my T.38
>> implementation against more than one revision of Zoiper, and I yet to
>> see it behave sanely.
>
>
> I could receive yesterday from Zoiper 2.18 Windows free edition with
> ReceiveFAX installed with latest Asterisk 1.6.X.
> Would you like more details ?
>

To be more precise, I only tried once and I wouldn't swear T.38 mode was
used (I've checked) : maybe ReceiveFax would allow G711 inbound faxes.

>
>
>>
>> Steve
>>
>>
>> Olivier wrote:
>> >
>> >
>> > 2008/12/3 regs at kinetix.gr <mailto:regs at kinetix.gr> <regs at kinetix.gr
>> > <mailto:regs at kinetix.gr>>
>> >
>> >     I tried sending faxes through Zoiper (Zoiper to Zoiper) last week
>> >     and the program crashed. After an update it stopped crashing but
>> >     still could not send a FAX. I then tried Kapanga (the free version
>> >     has a limited 30
>> >     days FAX sending capability) and it worked. This might be of
>> >     little use
>> >
>> >
>> > No it has much value to me.
>> >
>> > I was already suspicious about Zoiper as I could send fax between
>> > other endpoints.
>> >
>> > Originally, I thought using the same software on both could help to
>> > validate other settings (tuning of sip.conf) but to my surprise I
>> > couldn't find much about Zoiper fax capabilities.
>> > I have the rough feeling Zoiper can't receive fax at the moment or
>> > either, tuning Asterisk to allow that is not simple.
>> > For sending, I won't rate it at the moment.
>> >
>> >
>> >
>> >     to you
>> >     since I used Freeswitch with t38 pass-trhough, but my point is :
>> >     first find a client
>> >     that supports t38 FAX capabilites that work and then try asterisk.
>> >     Our company had success
>> >     sending FAX using t38 through asterisk along time ago so I guess
>> >     you will get there sooner or later.
>> >
>> >     Olivier wrote:
>> >>     Hi,
>> >>
>> >>     1. Has anyone got any success when send a TIFF file form one
>> >>     zoiper softphone to another ?
>> >>     I tried using Zoiper 2.18 free edition in windows but I'm seeing
>> >>     415 Unsupported media replies.
>> >>
>> >>     2. Here (http://www.voipinfo.org/wiki/view/Asterisk+T.38), you
>> >>     can read :
>> >>     "Also, try using:
>> >>
>> >>      t38_udptl=yes
>> >>      t38pt_rtp=no
>> >>      t38pt_tcp=no
>> >>
>> >>     ... in the general section of the sip.conf and under the VoIP
>> >>     provider account as well as the fax account. "
>> >>
>> >>     But above, you can read
>> >>     "[general]
>> >>     t38pt_udptl = yes "
>> >>
>> >>     Has this parameter name changed between 1.4 to 1.6 from t38_udptl
>> >>     to t38pt_udptl ?
>> >>     A asterisk remains silent when I add an unknown parameter
>> >>     "foo=bar", it would perfect if someone could point the right name
>> >>     (t38_udptl or t38pt_udptl).
>> >>
>> >>     Regards
>> >
>>
>>
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