[asterisk-users] Problem on incoming call from Zap channel to SIP phones...

[Tzafrir Cohen]

On Tue, May 29, 2007 at 05:22:45PM -0500, Carlos Chavez wrote:
> 	I have an Asterisk 1.2.16 server running CentOS 4.4 with a TE110P card
> and an OpenVox A1200P card.  Up to today everything was working
> perfectly.  The OpenVox card has 8 FXS and 2 FXO ports.  The two faxo
> ports are used for a GSM adapter and for an ATA connected to Vonage.
> 
> 	The problem we started noticing today was that the Vonage line will
> receive a call and then cannot connect to any of the SIP phones.  The
> port is configured to answer, dial SIP/603 and if that line is busy it
> will dial to SIP/604.  Here is the output from the CLI:
> 
>     -- Starting simple switch on 'Zap/40-1'
>     -- Executing Answer("Zap/40-1", "") in new stack
>     -- Executing Set("Zap/40-1", "TIMEOUT(response)=5") in new stack
>     -- Response timeout set to 5
>     -- Executing Dial("Zap/40-1", "SIP/603|20") in new stack
>     -- Called 603
> May 29 17:15:35 NOTICE[28703]: chan_sip.c:2012 auto_congest:
> Auto-congesting SIP/603-0080d790
>     -- SIP/603-0080d790 is circuit-busy
>   == Everyone is busy/congested at this time (1:0/1/0)
> 
> 	As you can see I get the message that says that the phone is busy even
> when it is not.  This happens no matter which SIP phone I try to dial on
> the server.  I can dial from any other phone to the same extension
> without any problems.  Only calls coming from the Vonage line have this
> problem.  I can make outgoing calls using that same line.  This was
> working until mid day today and there were no changes made to the
> configuration until after the problem was detected.
> 
> 	The only thing I notice is that if I do a "zap show channel 40" it
> tells me "Hookstate (FXS only): Offhook" even when the line is not in
> use.  The other port connected to the GSM adapter says Onhook.  Also,
> when Asterisk answers the call from Vonage I hear a loud click on the
> phone and after it has tried both extensions I can hear the Voicemail
> message play.

What is the output of:

  show channels

Any chance that there is actually another call that keeps that channel
busy?

-- 
               Tzafrir Cohen       
icq#16849755                    jabber:tzafrir at jabber.org
+972-50-7952406           mailto:tzafrir.cohen at xorcom.com       
http://www.xorcom.com  iax:guest at local.xorcom.com/tzafrir