[Asterisk-Users] How to check if a phone / line is used?

[Paul Zimm]

In the dialplan you can use ChanIsAvail command
> Show channels?
>
>
> On Mar 31, 2006, at 2:09 AM, Ronald Wiplinger wrote:
>
>> In the past I used SetGroup and CheckGroup to figure out if my 
>> allowed providers lines are all used or not.
>> Since most of my provider have given me a single line anyway, I 
>> wonder if there is a way to check if this (provider) line is taken 
>> already.
>>
>> How can I do that?
>>
>> Same is with the phone. How can I see in CLI if a phone is now in use 
>> or not?
>> "Sip show peers" shows me just if it is on-line, but not if it is in 
>> a call or not.
>> In the dialplan I could dial the number and if it is busy, it would 
>> go to the Voicemail for unavailable or busy. I expect that there is 
>> just a test function as well, without trying to call.
>>
>>
>> bye
>>
>> Ronald Wiplinger
>>
>>
>> _______________________________________________
>