Thanks for the input.
I have already used system() in phpagi to do an "asterisk -rx" and the "sip
show channels" and "grep -c" for g729 and that works kind of. But as I said,
it's not very responsive and it hangs sometimes. It probably be the same
results even if I used some php-agi parameter to harvest the info I want.
Overall, it's not as clean of a method as a dialplan method would be if it was
doable.
I am amazed that there is no easy dial-plan method to tell if a trunk is being
used or if a codec is being used.
P.S. GROUP_COUNT seems to be useless in my case as well.
Thanks
> Date: Sun, 20 Jun 2010 20:44:53 -0400
> From: j...@netdirect.ca
> To: het...@hotmail.com
> CC: asterisk@uc.org
> Subject: Re: [on-asterisk] How to check in dial-plan for a specific codec if
> it's being used?
>
> > > I have a need to check and see if a G.729 channel is up and running
> > > and then to set a variable as FALSE and TRUE based on the outcome.
> > > Can this be done with the dial-plan?
> > >
> > >
> > > I can also live with a dial-plan code that check to see if a Trunk
> > > is being used and if it is to set a variable to FALSE or TRUE based
> > > on the condition.
> > >
> > >
> > > I can also work with a method that can check to see if a number
> > > dialed on the system start with 678 and if a call is on progress and
> > > set a variable to TRUE or FALSE.
> > >
> > >
> > > All of the above approaches are fine by me but I prefer the Trunk
> > > option to be checked if it's used, and then the G.729 check option.
> > >
> > >
> > > Any input is appreciated.
> > >
> > >
> > > Running Asterisk v1.4.x
> > >
> > >
> > > Note: I have used phpagi to do a system call for "asterisk -rx" and
> > > that is not a good solution as the php file itself hangs sometimes
> > > in Asterisk dial-plan. Something dial-plan native would make my life
> > > much easier.
>
> Well "sip show channel" shows the codec in use for a given channel. I would
> have said to use an AGI script for that, but you don't want to. How about
> scanning logs, (although that could take time?)
>
> You could hack a variable into AGI command to specify the codec. There is a
> var called ${SIP_CODEC} that says it's used to set the codec, maybe it shows
> the codec too (long shot?)
>
> --
> John Van Ostrand
> CTO, co-CEO
> Net Direct Inc.
> 564 Weber St. N. Unit 12, Waterloo, ON N2L 5C6
> Ph: 866-883-1172 x5102
> Fx: 519-883-8533
>
> Linux Solutions / IBM Hardware
>
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