[Freeswitch-users] FreeTDM and DAHDI+OSLEC/MG2 anyone?

[Moises Silva]

This may be of help:

http://lists.freeswitch.org/pipermail/freeswitch-users/2010-March/055505.html

Moises Silva
Senior Software Engineer
Sangoma Technologies Inc. | 50 McIntosh Drive, Suite 120, Markham ON L3R 9T3
Canada
t. 1 905 474 1990 x 128 | e. moy at sangoma.com


On Sat, Jun 26, 2010 at 8:57 PM, Jeroen C. van Gelderen <
jeroeng at thegreek.com> wrote:

> Hi everybody,
>
> I have a feeling I must be missing the obvious...
>
> I've been trying to get echo canceling to work with
> Freeswitch/FreeTDM/DAHDI
> but I have been failing miserably for days. When I enable echo cancellation
> (MG2 or OSLEC) on a DAHDI/FreeTDM channel (FXS or FXO) that channel goes
> silent.
>
> In absence of better suggestions I was hoping to replicate someone's "known
> working" configuration. Is anyone successfully running the following
> combination:
>
> - any x86 hardware
> - any recent flavor Linux
> - any recent version of DAHDI using FXO ports
> - FreeSwitch/FreeTDM trunk from git
> - OSLEC echo canceller (or MG2)
> - (BONUS:) Xorcom Astribank with FXO/FXS ports.
>
> I addition to much Googling I've tried most permutations of:
> - CentOS 5.4, 5.5, Ubuntu 10.04 LTS, Elastix
> - x86 and x64 single and multicore CPUs.
> - Non-PAE kernels for 32-bit installs.
> - DADHI from SVN (or -in case of Elastix- the built-in 2.2.0.2)
> - MG2 and OSLEC echo cancellers
> - Freeswitch from Git trunk
>
> In each case everything configures fine to the point that Asterisk 1.6 will
> function with echo cancellation enabled. So we know that DAHDI layer works.
> But Freeswitch channels go silent when echo cancellation is enabled.
>
> Puzzled,
> -Slim
>
> --
> Jeroen C. "Slim" van Gelderen
>
>
>
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