chanisavail is not intended to detect if a phone is in use or not at all, it's only intended to check if asterisk could send the call there.
I tried using call-limit and chanisavail, but it's broken in SIP. inuse gets applied only to peers, and when it gets an incomming call that is not answered it gets decremented and doesnt stay the same, which is a bug.
You should consider using groups, http://www.voip-info.org/wiki-Asterisk+cmd+SetGroup
On 12/14/05,
Scott Maier <[EMAIL PROTECTED]> wrote:
Hi everyone,
I have started trying to use ChanIsAvail() to detect when a phone is
in use (on any call) and my results are disappointing.
Here are some examples out output to the console followed by the
meaning of the return status code based on what I have found in the
comments on this page: <http://www.voip-info.org/wiki/index.php?
page=Asterisk+cmd+ChanIsAvail>
Test using a real extension (224) that I know is in use at the time
of the test. Calling from 227:
-- Executing Playback("SIP/227-c825", "silence/1") in new stack
-- Playing 'silence/1' (language 'en')
-- Executing ChanIsAvail("SIP/227-c825", "SIP/224|sj") in new stack
-- Executing NoOp("SIP/227-c825", "SIP/224-08ce|SIP/224|0") in new stack
-- Executing Dial("SIP/227-c825", "SIP/224|10") in new stack
-- Called 224
-- SIP/224-4fc4 is ringing
/* 0 AST_DEVICE_UNKNOWN */ "Unknown", /* Valid, but unknown state */
Test using a fake extension (333) that doesn't exist and is not
defined anywhere. Calling from 227:
-- Executing Playback("SIP/227-e4d2", "sales") in new stack
-- Playing 'sales' (language 'en')
-- Executing ChanIsAvail("SIP/227-e4d2", "SIP/333|sj") in new stack
-- Executing NoOp("SIP/227-e4d2", "||4") in new stack
-- Executing Hangup("SIP/227-e4d2", "") in new stack
/* 4 AST_DEVICE_INVALID */ "Invalid", /* Invalid - not known to
Asterisk */
Test using a real extension (206) that is defined, but not
registered. Calling from 227:
-- Executing Playback("SIP/227-8a76", "sales") in new stack
-- Playing 'sales' (language 'en')
-- Executing ChanIsAvail("SIP/227-8a76", "SIP/206|sj") in new stack
-- Executing NoOp("SIP/227-8a76", "||5") in new stack
-- Executing Hangup("SIP/227-8a76", "") in new stack
/* 5 AST_DEVICE_UNAVAILABLE */ "Unavailable", /* Unavailable (not
registred) */
This all seems to be fine, except for the 1st example where I am
testing a known, registered, in use Polycom 501.
Does anyone have any idea why Asterisk is returning 0 for that test?
Is anyone else using ChanIsAvail() successfully?
This is with Asterisk 1.2.0.
- Scott
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