[asterisk-users] SIP Problems continue...

[Ken Williams]

I mean that SIP phones cannot answer incoming calls or make outgoing
calls.  When a call comes in on ZAP, it actually rings all the phones
like normal, but when you try to answer no one is there.  In addition,
when you try to dial out you eventually get a message on the phones
saying unable to communicate with the server.  So there is some traffic
still traveling on the SIP channel (the server's dialing extensions from
an incoming ZAP call) but no further communication...almost as if it's a
one way street of communication.  The server can send data out on SIP
but isn't receiving any.

As for your issue, we haven't really had that (thankfully), so I don't
think you're heading down the horrible spot we're in right now.

Tonight I'm going to remove all aspects of Asterisk and reinstall fresh,
if that fails I'll format & reinstall the entire box. 

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Adam
Moffett
Sent: Wednesday, May 09, 2007 12:08 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] SIP Problems continue...

I also get the mysterious SIP INVITE channels.
10.101.2.204     xxx 748e8b0a625  00102/00000  unkn  No       Init:
INVITE

And I also am running 1.4.4 on CentOS4.  Is that a pattern or just
coincidence?



The other symptom you mention is this
"...the SIP phones couldn't communicate with the server, though there 
was no error message on the server and everything appeared fine on the 
server."

Do you mean no calls in or out until you reboot?  I don't have that 
thankfully, but I do have a guy telling me that incoming audio just goes

away for a few seconds at a time.  He says also that it sometimes goes 
away for long enough time that he was mistaking it for a dropped call.  
But if he waits long enough it pretty generally always comes back.  I 
have consistent solid network performance from the asterisk server to 
the ATA (and believe me, I've looked very hard for a network problem), 
and I don't know what to look at next.

Incidentally, the guy hasn't called me since I rebooted last week.  Is 
this similar to how your situation started?



*********************************
Adam Moffett
Plexicomm, LLC
adam at plexicomm.net
ph: 866-759-4678x104
*********************************

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