Not sure if the setting is the same in Callweaver as it is in Asterisk, but
in sip.conf you'll either want to put an entry such as:
externip 1.2.3.4
or
externhost my.host

Right now your sip server is sending out a private address as its interface
to send back packets too and you need it to hand off an address that is the
public interface of your router.

Tom
 

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Gerald Cox
Sent: Friday, February 15, 2008 2:21 PM
To: Users Mailing List - Non-Commercial Discussion
Subject: [Callweaver-users] Problems with callweaver handling VoIP calls

I got callweaver setup with a few SIP phones, an FXO phone, and Qwest as
a VoIP provider.

Direct SIP calls to the callweaver from an external IP works great. 
Calls from SIP phone to SIP phone in callweaver works great.  The t.38
part of callweaver works great.

When calling through VoIP, I cannot hear what's being said on the
regular phone that dialed our 8xx number that's directed straight to a
SIP phone on our callweaver server, but I can hear, on either phone,
what is being said on the SIP phone.  DTMF info is not passed into
callweaver from the regular phone dialed/dialing via VoIP.
I experience the exact same problems when placing an outgoing call as I
do when getting an incoming call.  The only difference is, when getting
an incoming call, it drops the call after about 30 seconds.  It never
drops the call on outgoing calls.  Also, on incoming calls, the call
doesn't get dropped/closed when the regular phone, that dialed
callweaver through VoIP, gets hung up.

The only log info that I could think of that might help follows:

Pulled from the callweaver CLI when placing an incoming call to our 8xx
#:

Retransmitting #6 (no NAT) to 65.115.130.151:5060:
SIP/2.0 200 OK
Via: SIP/2.0/UDP
65.115.130.151:5060;branch=z9hG4bK0olmbr107go0ab0ko780.1;received=65.115.130
.151
From:
<sip:[EMAIL PROTECTED]:5060;isup-oli=0;affo6642p801=Affo6642P801-62p
8g55gnns02>;tag=SD1kj3e01-gK07346d05
To: <sip:[EMAIL PROTECTED]:5060>;tag=as1c61fbbd
Call-ID: SD1kj3e01-988bc3631bb5f1e8413ded042ff878df-v300050
CSeq: 11694 INVITE
User-Agent: CallWeaver
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Max-Forwards: 70
Contact: <sip:[EMAIL PROTECTED]>
Content-Type: application/sdp
Content-Length: 218
 

v=0
o=root 25882 25882 IN IP4 192.168.1.160
s=session
c=IN IP4 192.168.1.160
t=0 0
m=audio 10344 RTP/AVP 0 100
a=rtpmap:0 PCMU/8000
a=rtpmap:100 telephone-event/8000
a=fmtp:100 0-16
a=silenceSupp:off - - - -



I get a, about, 6 or 7 of those messages before it drops the call and
spits out these messages:

Feb 15 06:14:07 WARNING[3075787664]: chan_sip.c:1554 retrans_pkt:
Maximum retries exceeded on transmission
SD1kj3e01-988bc3631bb5f1e8413ded042ff878df-v300050 for seqno 11694
(Critical Response)
Feb 15 06:14:07 WARNING[3075787664]: chan_sip.c:1576 retrans_pkt:
Hanging up call SD1kj3e01-988bc3631bb5f1e8413ded042ff878df-v300050 - no
reply to our critical packet.
  == Spawn extension (menuOptions, s, 13) exited non-zero on
'SIP/5060-09cea5c8'



Any ideas or other places to look for problems is much appreciated.

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9:00 AM
 

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Checked by AVG Free Edition. 
Version: 7.5.516 / Virus Database: 269.20.6/1280 - Release Date: 2/15/2008
9:00 AM
 

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