Hi,
I have finally tracked down this problem a bit more. The problem is not actually related to the Grandstream phones - just they were the only obvious exhibitors of the problem.
The problem seems to be that when faxdetect is set in zapata.conf, asterisk does not inform the sip phones that a voice call has started actually been answered.
The console shows this:
-- Executing Dial("SIP/1000-b180", "Zap/1/0405152568||m") in new stack
-- Called 1/0405152568
-- Started music on hold, class 'default', on SIP/1000-b180
(mobile ringing & answered, but SIP phone still playing hold music)
-- Stopped music on hold on SIP/1000-b180
(hungup sip phone)
-- Hungup 'Zap/1-1'
== Spawn extension (local, 0405152568, 1) exited non-zero on 'SIP/1000-b180'
In this case, not even my fantastic Cisco phone can hold or transfer the call. I still thinks it is ringing.
If I remove the faxdetect line, I get the following behaviour:
-- Remote UNIX connection
-- Executing Dial("SIP/1000-ac04", "Zap/1/0405152568||m") in new stack
-- Called 1/0405152568
-- Started music on hold, class 'default', on SIP/1000-ac04
-- Zap/1-1 answered SIP/1000-ac04
(phone & mobile ringing, answered mobile call)
-- Stopped music on hold on SIP/1000-ac04
-- Hungup 'Zap/1-1'
== Spawn extension (local, 0405152568, 1) exited non-zero on 'SIP/1000-ac04'
This time, it is all good. The Cisco phone realises the call is in progress and works perfectly.
Setting faxdetect=no causes everything to behave absolutely properly, with no problems whatsoever.
For reference sake - upgrading the grandstream phone to the 1.5.0 firmware has meant that it now behaves similarly to the Cisco phone and carries audio to the handset even during the non-ringing stage.
Any help on what to do from here would be useful.
Thanks, Andrew
_________________________ Andrew Yager Real World Technology Solutions Real People, Real SolUtions (tm) ph: (02) 9945 2567 fax: (02) 9945 2566 mob: 0405 15 2568 http://www.rwts.com.au/ _________________________ On 25/06/2004, at 7:16 PM, Andrew Yager wrote:
As a follow up to my previous post, I have now identified what is causing the bug with the grandstream phones.
When the line
faxdetection=incoming is in the zapata.conf file, the grandstream phones will not ring, nor connect a call to the zaptel interface.
Can anyone else confirm this bug? I'm going to play with the different options (incoming/outgoing/both) to see if it makes a difference.
Thanks, Andrew
_________________________ Andrew Yager Real World Technology Solutions Real People, Real SolUtions (tm) ph: (02) 9945 2567 fax: (02) 9945 2566 mob: 0405 15 2568 http://www.rwts.com.au/ _________________________
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