asterisk users - Nov 2005 - Problem ringing multiple extensions when one is forwarded

We have an incoming line which rings a large group of phones. If one of
the phones is set to call-forward, the entire group is diverted.

We would like asterisk to ignore the forward and continue to ring the
rest of the phones.

Any ideas how this could be done?

I suspect that ring groups could be used to solve this problem but the
documentation is very light in this area.

By the way, the phones are Cisco 7912s & 7940s and the forwarding is set
on the phones themselves, not in asterisk.

Regards,
-- 
John Lange

I'm not so sure that the entire group is diverted. Lets see first:
1. How are you calling these phones?
2. Are you using Zap?
3. If the forward is to a local extensions, does the same thing happen?

Also please post your CLI output. For some reason I think you are
using Zap channels, and the Cisco phone is forwarded to an external
number that uses a Zap FXO port, which to asterisk is answered as soon
as it starts dialing, the workaround might be to put a c in the dial
coommand, which requires a confirmation when the phone rings to be
considered answred. Or you could simply block phone enabled forwards
that involve using Zap FXO ports.

On 11/6/05, John Lange <john.lange@open-it.ca>
wrote:
> We have an incoming line which rings a large group of phones. If one of
> the phones is set to call-forward, the entire group is diverted.
>
> We would like asterisk to ignore the forward and continue to ring the
> rest of the phones.
>
> Any ideas how this could be done?
>
> I suspect that ring groups could be used to solve this problem but the
> documentation is very light in this area.
>
> By the way, the phones are Cisco 7912s & 7940s and the forwarding is
set
> on the phones themselves, not in asterisk.
>
> Regards,
> --
> John Lange
>
>
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