Jon, did you ever discover a solution to your problem. I'm in the same boat.<br><br><div class="gmail_quote">On Sun, Dec 2, 2007 at 1:22 PM, Jonathan C. Bailey <<a href="mailto:jbailey@co.marshall.ia.us">jbailey@co.marshall.ia.us</a>> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">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.<br>
<br>
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!<br>
<br>
---------------------------------------------------------------------------------------------------------<br>
<br>
/etc/zaptel.conf (16 channels on each PRI):<br>
loadzone=us<br>
defaultzone=us<br>
<br>
#Sangoma A400 [slot:7 bus:1 span:1]<br>
fxsks=1<br>
fxsks=2<br>
fxsks=3<br>
fxsks=4<br>
fxsks=5<br>
fxsks=6<br>
fxsks=7<br>
fxsks=8<br>
fxoks=11<br>
fxoks=12<br>
<br>
dynamic=eth,eth1/00:50:c2:65:d0:3c/0,24,1<br>
dynamic=eth,eth1/00:50:c2:65:d0:3c/1,24,0<br>
# bchan=25-47<br>
bchan=25-40<br>
dchan=48<br>
# bchan=49-71<br>
bchan=49-64<br>
dchan=72<br>
<br>
---------------------------------------------------------------------------------------------------------<br>
/etc/asterisk/zapata.conf:<br>
<br>
[trunkgroups]<br>
<br>
<br>
[channels]<br>
context=default<br>
usecallerid=yes<br>
hidecallerid=no<br>
callwaiting=yes<br>
usecallingpres=yes<br>
callwaitingcallerid=yes<br>
threewaycalling=yes<br>
transfer=yes<br>
canpark=yes<br>
cancallforward=yes<br>
callreturn=yes<br>
; Turned echo cancellation off 11-15-2007 due to possible fax issues on bridged calls.<br>
echocancel=no<br>
faxdetect=no<br>
echocancelwhenbridged=no<br>
rxgain=0.0<br>
txgain=0.0<br>
callgroup=1<br>
pickupgroup=1<br>
immediate=no<br>
overlapdial=yes<br>
<br>
;Sangoma A400 [slot:7 bus:1 span:1]<br>
context=from-zaptel<br>
group=0<br>
signalling = fxs_ks<br>
channel => 1-8<br>
<br>
context=from-internal<br>
group=1<br>
signalling = fxo_ks<br>
channel => 11-12<br>
<br>
; First port on foneBRIDGE2 - This is the PSTN side<br>
group=2<br>
signalling = pri_cpe<br>
context=from-pstn<br>
;channel => 25-47 (for a full PRI)<br>
; Channels 25-40 are for a partial PRI (16 channels)<br>
channel => 25-40<br>
<br>
; Second port on foneBRIDGE2 - This is the Comdial side<br>
group=3<br>
context=from-comdial<br>
signalling = pri_net<br>
;channel => 49-71 (for a full PRI)<br>
; Channels 49-64 are for a partial PRI (16 channels)<br>
channel => 49-64<br>
<br>
<br>
<br>
<br>
<br>
-Jon<br>
<br>
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</blockquote></div><br>