Can¹t you edit the dialplan used by a2billing (I haven¹t used it, so can¹t
help you there)?

Gvbridge is just a name, nothing else, I simply copied from an existing
dialplan.


On 10-06-21 1:50 PM, "Bruce N" <[email protected]> wrote:

> You are right that I MAY not need to know the codec type of a channel. But
> that was my workaround for knowing if I should place the call or if the trunk
> is busy and not show the call.
>  
> "group show channels" doesn't show me anything if I run it on the CLI as the
> call is initiated by A2Billing and A2Billing doesn't assign groups to trunk
> when it dials out hence I don't think GROUP_COUNT can be useful for me. "sip
> show channels" and "core show channels" do show the channel UP state and it's
> codec type.
>  
> I don't understand the gvbridge portion that you had in your dialplan. Can you
> please explain?
>  
> Thanks,
> Bruce
>  
>> > Date: Mon, 21 Jun 2010 11:07:43 -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?
>> > 
>> > Bruce, 
>> > 
>> > What you asked earlier and what you are asking now seems different. If you
>> > just need to check if a trunk has a channel available,
>> > 
>> > For latter, you can simply use groups and function group_count in your
>> > dialplan. Something like
>> > 
>> > exten => _X.,n,GotoIf($[GROUP_COUNT(gvbridge) = 0]?:gvinuse);
>> > exten => _X.,n,Set(GROUP()=gvbridge);
>> > ...
>> > exten => _X.,n,Hangup()
>> > exten => _X.,n(gvinuse),Swift("All channels are busy.")
>> > exten => _X.,n(gvinuse),Hangup() ; Put a busy signal later
>> > 
>> > Another option is to use CHANNELS function and filter out the how many
>> > channels is being used in that trunk.
>> > 
>> > Can you elaborate on why you need to know the codec on a channel? It seems
>> > you just need to know if a channel is available or not.
>> > 
>> > On 10-06-21 1:10 AM, "Bruce N" <[email protected]> wrote:
>> > 
>>> > > 
>>> > > Remzi,
>>> > > 
>>> > > 
>>> > > 
>>> > > Thanks for pointing me to that. That's amazing but it only outputs the
>>> dialed
>>> > > channel related info.
>>> > > 
>>> > > 
>>> > > 
>>> > > exten => s,1,Answer()
>>> > > exten => s,n,Set(foo=${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
>>>>>>> > >>>>> 
>>>>>> > >>>> 
>>>>>> > >>>> _________________________________________________________________
>>>>>> > >>>> Turn down-time into play-time with Messenger games
>>>>>> > >>>> http://go.microsoft.com/?linkid=9734385
>>>>> > >>> 
>>>>> > >>> 
>>>>> > >>> 
>>>>> > >>> 
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>>>>> > >>> 
>>>> > >> 
>>>> > >> 
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>>>> > >> 
>>> > > 
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