[Freeswitch-users] mod_openzap, sangoma, FAX and HW-HEC

[Anthony Minessale]

openzap has an app you can run to disable EC but i don't know if it's
implemented into the sangoma plugin but its not hard to fix if it's not.


On Wed, May 12, 2010 at 11:47 AM, Helmut Kuper <helmut.kuper at ewetel.de>wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hello,
>
>
> I'm not sure whether I'm right here or not. But maybe someone has faced
> same problem:
>
>
> Scenario A:
> I'm using Sangoma A104d and FreeSWITCH Version 1.0.head (17097:17188M).
> I enabled hardware based detection of fax and dtmf. Further hardware
> based HEC is enabled
>
> I'm not able to reveive a FAX (analog) via PSTN, while sending works and
> internal (SIP) works as well. So there is no problem with the ATAs I use
> nor with the network (which routes the RTP along 80 kilometers one way).
>
> Scenario B:
> I'm able to receive FAX from pstn with same setup, but have hardware
> based HEC disabled. So in this case everything works fine.
>
>
> I thought sangoma's hardware based Fax detection feature should have
> disabled HEC when a Fax is detected, but it doesn't seems so. So my
> current thoughts are about the question whether FS is able to disable
> hardware HEC via mod_openzap and wanpipe driver for the corresponding
> A104d channel, when FS knows that the target is a FAX device ...
>
>
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.7 (MingW32)
>
> iD8DBQFL6tu84tZeNddg3dwRAur3AJ4rOw5ocXm+aGG7spLYtA4yx23eHACfcUPF
> K+VHsbNiCR0XQeztzeI4iTY=
> =ihsg
> -----END PGP SIGNATURE-----
>
> _______________________________________________
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>



-- 
Anthony Minessale II

FreeSWITCH http://www.freeswitch.org/
ClueCon http://www.cluecon.com/
Twitter: http://twitter.com/FreeSWITCH_wire

AIM: anthm
MSN:anthony_minessale at hotmail.com <MSN%3Aanthony_minessale at hotmail.com>
GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com<PAYPAL%3Aanthony.minessale at gmail.com>
IRC: irc.freenode.net #freeswitch

FreeSWITCH Developer Conference
sip:888 at conference.freeswitch.org <sip%3A888 at conference.freeswitch.org>
googletalk:conf+888 at conference.freeswitch.org<googletalk%3Aconf%2B888 at conference.freeswitch.org>
pstn:+19193869900
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20100512/9cb28cd8/attachment.html