Jon, did you ever discover a solution to your problem. I'm in the same boat.
On Sun, Dec 2, 2007 at 1:22 PM, Jonathan C. Bailey <
jbailey at co.marshall.ia.us> wrote:
> I'm having (I think) timing issues in relation to bridged T1-T1 calls
via
> dynamic spans. Fax calls are intermittently working, but voice is fine. My
> box has a Sangoma A400 inside it as the primary Zaptel timing source. My T1
> PRIs that are hooked to the box come in via a foneBRIDGE2 (dynamic TDMoE
> spans). PRI #1 is the telco and PRI #2 is an existing Comdial FX-II. For
> some reason, bridged TDM calls (when it comes to faxing) must be having
> timing issues since they intermittently fail.
>
> I found what seems to be an issue in zaptel.conf (timing source for the
> Comdial side was 2 - changed to 0), but I don't know if that's it.
I've also
> turned off echo cancellation. Any other thoughts on why I may be having
what
> seem to be timing issues? Also, is timing passed through on dynamic spans
&
> bridged calls? And is there a way to verify this? Thanks!
>
>
>
---------------------------------------------------------------------------------------------------------
>
> /etc/zaptel.conf (16 channels on each PRI):
> loadzone=us
> defaultzone=us
>
> #Sangoma A400 [slot:7 bus:1 span:1]
> fxsks=1
> fxsks=2
> fxsks=3
> fxsks=4
> fxsks=5
> fxsks=6
> fxsks=7
> fxsks=8
> fxoks=11
> fxoks=12
>
> dynamic=eth,eth1/00:50:c2:65:d0:3c/0,24,1
> dynamic=eth,eth1/00:50:c2:65:d0:3c/1,24,0
> # bchan=25-47
> bchan=25-40
> dchan=48
> # bchan=49-71
> bchan=49-64
> dchan=72
>
>
>
---------------------------------------------------------------------------------------------------------
> /etc/asterisk/zapata.conf:
>
> [trunkgroups]
>
>
> [channels]
> context=default
> usecallerid=yes
> hidecallerid=no
> callwaiting=yes
> usecallingpres=yes
> callwaitingcallerid=yes
> threewaycalling=yes
> transfer=yes
> canpark=yes
> cancallforward=yes
> callreturn=yes
> ; Turned echo cancellation off 11-15-2007 due to possible fax issues on
> bridged calls.
> echocancel=no
> faxdetect=no
> echocancelwhenbridged=no
> rxgain=0.0
> txgain=0.0
> callgroup=1
> pickupgroup=1
> immediate=no
> overlapdial=yes
>
> ;Sangoma A400 [slot:7 bus:1 span:1]
> context=from-zaptel
> group=0
> signalling = fxs_ks
> channel => 1-8
>
> context=from-internal
> group=1
> signalling = fxo_ks
> channel => 11-12
>
> ; First port on foneBRIDGE2 - This is the PSTN side
> group=2
> signalling = pri_cpe
> context=from-pstn
> ;channel => 25-47 (for a full PRI)
> ; Channels 25-40 are for a partial PRI (16 channels)
> channel => 25-40
>
> ; Second port on foneBRIDGE2 - This is the Comdial side
> group=3
> context=from-comdial
> signalling = pri_net
> ;channel => 49-71 (for a full PRI)
> ; Channels 49-64 are for a partial PRI (16 channels)
> channel => 49-64
>
>
>
>
>
> -Jon
>
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