I had this same problem. For me, the Cisco phone wasn't detecting
that the call was connected. Turn on VAD, and maybe bump up the rx
gain on the PSTN.
Hope that helps,
Brian
On Jun 23, 2006, at 8:04 AM, Ronan Mullally wrote:
Hi,
I've got a problem with my asterisk set up which has been going on
for a
while (months). I'm currently running 1.2.7.1 on a gentoo box with
the
topology below:
+-----+
PSTN ---------+ * +------------- Service Provider
(wctdm400p) +-+-+-+ IAX
| |
| |
FXS --+ +-- SIP (cisco 7940)
I can make calls from the FXS port to the PSTN or my IAX service
provider
without any problems.
I can make calls from my SIP phone to my IAX service provider, also
without
any problems.
I can receive calls to the FXS port and SIP phone without any
problems.
However, when I call from my SIP phone to the PSTN my calls die,
repeatedly,
after 2-3 minutes. The display on the phone shows 'Session
Progress (in
183)' for the duration of the call, rather than 'Connected', so it
looks
like the SIP phone is not recognising call connection on the PSTN.
Output from the console is as follows:
-- Executing Dial("SIP/ronan-5e0e", "Zap/4/xxxxxxxxxxx") in new
stack
-- Called 4/xxxxxxxxxxx
-- Hungup 'Zap/4-1'
== Spawn extension (default, xxxxxxxxxxx, 1) exited non-zero on
'SIP/ronan-5e0e'
A packet trace from the * box shows:
...
16.758516 192.168.2.9 -> 192.168.2.30 UDP Source port: 12230
Destination port: 31042
16.758595 192.168.2.30 -> 192.168.2.9 UDP Source port: 31042
Destination port: 12230
16.778540 192.168.2.9 -> 192.168.2.30 UDP Source port: 12230
Destination port: 31042
16.779004 192.168.2.30 -> 192.168.2.9 UDP Source port: 31042
Destination port: 12230
16.790884 192.168.2.30 -> 192.168.2.9 SIP Request: CANCEL
sip:[EMAIL PROTECTED];user=phone
16.791266 192.168.2.9 -> 192.168.2.30 SIP Status: 487 Request
Terminated
16.791477 192.168.2.9 -> 192.168.2.30 SIP Status: 200 OK
(192.168.2.9 is the * box, .30 is the phone)
This has been going on for some time, but I've put up with it as the
majority of my calls are short so it's not a big issue. As a
result I'm
unsure when the problem started, so I've no idea what change I made
to the
config that caused it. I'm fairly sure the change is on asterisk
as I've
not touched the config on the 7940 in a long time.
My zaptel.conf, zapata.conf and sip.conf files are below, any
suggestions or
clue transfer would be much appreciated.
-Ronan
# zaptel.conf
loadzone=uk
defaultzone=uk
fxsks=4
fxoks=1-3
# zapata.conf
[channels]
group = 0
context = incoming-POTS
signalling = fxs_ks
rxgain=10.0
txgain=6.0
echocancel=yes
echocancelwhenbridged=no
echotraining=300
immediate=no
busydetect=no
busycount=5
answeronpolarityswitch=yes
hanguponpolarityswitch=yes
callprogress=yes
callwaiting=yes
relaxdtmf=no
progzone=uk
useincomingcalleridonzaptransfer = yes
usecallerid=no
callerid=asreceived
cidsignalling=v23
cidstart=polarity
ukcallerid=yes
channel => 4
# sip.conf
[general]
allow=ulaw
allow=alaw
allow=gsm
allow=g723.1
context=incoming
recordhistory=yes
port=5060
bindaddr=0.0.0.0
srvlookup=yes
tos=lowdelay
defaultexpirey=120
nat=no
localnet=192.168.0.0/255.255.252.0
[ronan]
regextension=ronan
regcontext=4L
[EMAIL PROTECTED]
callerid=Ronan Mullally <100>
restrictcid=no
callgroup=1,2
pickupgroup=1,2
host=dynamic
language=en
type=friend
context=default
username=ronan
secret=xxxxxxxxx
fromdomain=4L.ie
canreinvite=no
disallow=all
allow=ulaw
allow=alaw
allow=gsm
allow=g723.1
qualify=100
accountcode=ronan
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