asterisk users - Jan 2007 - Detecting open SIP channels in the dial plan

Is is possible to detect open SIP channels in the dial plan and use that
detection to perform logic?

For instance, say you have a multi line device such as a poly 301, depending
on the path of the incoming call you want to be able to route the call to
the phone if 1 line is already in use or send it elsewhere.

More specifically if the phone is part of a hunt group it would not right if
someone was on it, but if someone called the phone directly it would ring.

Thanks

Miles
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You can use the group function to determine this

On 1/19/07, Voip Asterisk <asterisk@wideideas.com>
wrote:
> Is is possible to detect open SIP channels in the dial plan and use that
> detection to perform logic?
>
> For instance, say you have a multi line device such as a poly 301,
depending
> on the path of the incoming call you want to be able to route the call to
> the phone if 1 line is already in use or send it elsewhere.
>
> More specifically if the phone is part of a hunt group it would not right
if
> someone was on it, but if someone called the phone directly it would ring.
>
> Thanks
>
> Miles
>
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