[asterisk-dev] Check if channel exists

[Julian Lyndon-Smith]

Johan Wilfer wrote:
> I need to get a channel name to be able to use the ChannelRedirect 
> application. The group function doesn't provide this, it is however 
> handy for a lot of other things.
>   

Slightly confused then : you originally said:

"I thinking about a function ChanActive(channel)"

Don't you already need to know the channel name at this point, then ?

Or are you looking for a way of knowing what channel  is associated with 
an extension (SIP/576) or line (ZAP/1)

Julian
> Thanks anyway...
> /Johan
>
> Julian Lyndon-Smith skrev:
>   
>> Have a look at the GROUP function.
>>
>> Julian
>>
>> Johan Wilfer wrote:
>>   
>>     
>>> Hi,
>>> I'm in need of a application / function that check if a channel is
>>> active or not. The functionality already exists in "core show channel
>>> <name>" and "sip show channel <name>", but I have not found any function 
>>> / application that does the trick. Does anyone have a similar need that 
>>> I should consider? Any other way to deal with this?
>>>
>>> I thinking about a function ChanActive(channel) that returns true/false 
>>> or ChanInfo(channel,item) like sipchaninfo. If I'm the only one with 
>>> this particular need I will implement the first one.
>>>
>>> Another related question (maybe user-ish, sorry): I've tried to
>>> understand in witch cases a channel can change it's name (Manager Rename 
>>> event). I'm I correctly assuming that this happens only when bridging to 
>>> another channel? Or are there other cases that I should be aware of?
>>> Is this documented somewhere?
>>>
>>> Greetings
>>> Johan
>>>
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>>
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>
>
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