Remzi,
Thanks for pointing me to that. That's amazing but it only outputs the dialed
channel related info.
exten => s,1,Answer()
exten => s,n,Set(foo=${CHANNEL(audioreadformat)})
exten => s,n,NoOp(${foo})
That sets $foo = ulaw and it's perfect except for I don't need the channel info
for what I just dialed in but rather those of another channel that may or may
not be in progress is need.
In a nutshell, it's a DISA. Caller A calls into the system and is verfied by a
PIN. Afterwards, the dial-plan should check to see if a Specific dialout trunk
is available (as in there are no channels on that Trunk at all) and then place
a call out through that channel. So, the info gather by function CHANNEL won't
help me since it's only related to the DISA-in CHANNEL rather than those of the
trunk that I mentioned.
Or maybe there is a way to do it and I have to put some other variable in
CHANNEK(???)?
Thanks again,
Bruce
> Date: Sun, 20 Jun 2010 23:35:25 -0400
> From: [email protected]
> To: [email protected]
> Subject: Re: [on-asterisk] How to check in dial-plan for a specific codec if
> it's being used?
>
> Wouldn't this do the trick?
>
> http://www.voip-info.org/wiki/view/Asterisk+func+channel
>
> Synopsis:
> CHANNEL(item)
>
> Description:
> Gets/set various pieces of information about the channel. (New in 1.4)
>
> item may be one of the following:
> Read/write Item Description
> R/O audioreadformat format currently being read
> R/O audionativeformat format used natively for audio
> R/O audiowriteformat format currently being written
> R/W callgroup call groups for call pickup
> R/O channeltype technology used for channel
> R/W language language for sounds played
> R/W musicclass class (from musiconhold.conf) for hold music
> R/O state state for channel
> R/W tonezone zone for indications played
> R/O videonativeformat format used natively for video
>
> Items available in 1.6:
> Standard items (provided by all channel technologies) are:
> Read/write Item Description
> R/O audioreadformat format currently being read
> R/O audionativeformat format used natively for audio
> R/O audiowriteformat format currently being written
> R/W callgroup call groups for call pickup
> R/O channeltype technology used for channel
> R/W language language for sounds played
> R/W musicclass class (from musiconhold.conf) for hold music
> R/W parkinglot parkinglot for parking
> R/W rxgain set rxgain level on channel drivers that support it
> R/O state state for channel
> R/W tonezone zone for indications played
> R/W txgain set txgain level on channel drivers that support it
> R/O videonativeformat format used natively for video
>
>
> On 10-06-20 11:29 PM, "Remzi Turer" <[email protected]> wrote:
>
> > Why don't you use phpagi to connect to Asterisk management directly, instead
> > of doing system calls. It is more reliable, plus I have used it many of
> > times, never had an issue or hanged process.
> >
> >
> > On 10-06-20 10:44 PM, "Bruce N" <[email protected]> wrote:
> >
> >>
> >> 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: [email protected]
> >>> To: [email protected]
> >>> CC: [email protected]
> >>> 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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> >
> >
> >
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