[Freeswitch-users] t38 issue

royj royj at yandex.ru
Wed Sep 19 12:40:42 MSD 2012


Thank you for all your assistance

Yesterday FreeSWITCH have been updated to Version 1.3.0+git~20120918T210019Z~d80e91d248 (1.3.0; git at commit d80e91d248 on Tue, 18 Sep 2012 21:00:19 Z) and no changes.

Maybe there is some specific settings, that I miss?

Does anybody has been solving this mission?


On 9/11/12 13:36 AM, "Ken Rice" <krice at freeswitch.org> wrote:
> 
> There have been updates to t.38 since 1.2.0-rc2...  You should either be on
> head or v1.2.stable branch
> 
> 
> 
> 
> On 9/11/12 10:35 AM, "Michael Collins" <msc at freeswitch.org> wrote:
> 
> > I think the guys have made some improvements since 1.2.0-rc2. Any chance you
> > can get at least up to 1.2.1-stable and retest?
> > -MC
> > 
> > On Tue, Sep 11, 2012 at 1:48 AM, royj <royj at yandex.ru> wrote:
> >> 
> >> Hi all
> >> 
> >> There is some strange issue with t38-passthru (FreeSWITCH Version 1.2.0-rc2).
> >> Task - t38-passthru
> >> spa112(ip 1.1.1.1) <--(profile local)--> FreeSWITCH(ip 2.2.2.2)<--(profile
> >> extrernal)--> Mediant 2000(ip 3.3.3.3); fax from spa112 to Mediant 2000.
> >> In both profiles:
> >> <param name="t38-passthru" value="true"/>
> >> <param name="inbound-proxy-media" value="true"/>
> >> <param name="inbound-late-negotiation" value="true"/>
> >> 
> >> Here is the sip-trace of the call with fax -
> >> http://pastebin.freeswitch.org/19866
> >> 
> >> It is seen that t38 re-INVITE from spa112 (profile local) passed on and back
> >> with "200 OK", but t38 from Mediant 2000 (profile external) is not (in
> >> response to re-INVITE t38 (SDP, m=image) - "200 OK" with SDP m=audio). After
> >> agreement the SDP, the data (v21-preamble) is not passed by freeswitch
> >> between spa112 and Mediant 2000, and one of the party ends conversation with
> >> message "no-signal" and then "by" .
> >> 
> >> Wiki says ( 
> >> http://wiki.freeswitch.org/wiki/Proxy_Media#Why_you_almost_certainly_don.27t_
> >> want_to_use_it ) that module mod_spandsp is required (if I understand
> >> correctly), but "load mod_spandsp" does not change anything.
> >> 
> >> I would appreciate your help
> >> 
> >> --
> >> Regards
> >> royj
> >> 
> >> _________________________________________________________________________
> >> Professional FreeSWITCH Consulting Services:
> >> consulting at freeswitch.org
> >> http://www.freeswitchsolutions.com
> >> 
> >> 
> >> 
> >> 
> >> Official FreeSWITCH Sites
> >> http://www.freeswitch.org
> >> http://wiki.freeswitch.org
> >> http://www.cluecon.com
> >> 
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> > 
> > 
> 
> -- 
> Ken
> http://www.FreeSWITCH.org
> http://www.ClueCon.com
> http://www.OSTAG.org
> irc.freenode.net #freeswitch
> 
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