Hey all,
I'm having problems where there is significant static when making SIP ->
PSTN calls. SIP -> SIP and SIP -> VM calls are totally clear and fine.
Here's the setup:
Polycom 601,501, and ten 301s.
Digum 2400 TDM card w/echo cancelling, 12 FXO ports.
The TDM card is on IRQ 5 with nothing else on it.
Server Specs:
Asus P4P800E Deluxe
P4 3.0 Ghz
1 GB Ram
80 GB SATA HD
- There is no static when using a normal phone direct to the 66 block.
- The sound is also a bit low, and bumping the volume on the Polycom
phones makes the static alot worse (obviously)
zapata.conf settings:
[channels]
language=en
context=from-pstn
signalling=fxs_ks
usecallerid=yes
hidecallerid=no
callwaiting=no
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=128
echocancelwhenbridged=yes
echotraining=500
rxgain=6
txgain=3
group=0
callgroup=1
pickupgroup=1
immediate=yes
faxdetect=no
zaptel.conf settings:
fxsks=17-24
loadzone = us
defaultzone = us
- Running Fedora Core 4 - Kernel 2.6.14-1.1653_FC4smp
- USB is completely disabled.
cat /proc/interrupts:
CPU0
0: 3115334 XT-PIC timer
1: 8 XT-PIC i8042
2: 0 XT-PIC cascade
5: 12453626 XT-PIC wctdm24xxp
8: 1 XT-PIC rtc
10: 93751 XT-PIC libata
11: 907892 XT-PIC SysKonnect SK-98xx, eth1
15: 111542 XT-PIC ide1
NMI: 0
LOC: 3115228
ERR: 0
MIS: 0
Any other information you need to help me figure this out, please let me
know.
- Roman
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