[Asterisk-Users] Problem ringing multiple extensions when one is forwarded

[John Lange]

Here is a bit more information. First, to clarify, you are correct the
entire group is not diverted, however, since the forward is going to a
"direct to voicemail" extension it answers immediately and that stops
the group from ringing.

What we need is for asterisk to completely ignore the forward and just
ring the remaining phones.

BTW, pri_gw below is a Cisco sip gateway connected to a PRI.

Here is a sanitized mini-version of the CLI output.

  -- Executing Dial("SIP/10.0.0.1-b5437768","SIP/EXTEN1&SIP/EXTEN2&SIP/EXTEN3.. etc.
    -- Called EXTEN1
    -- Called EXTEN2
    -- Called EXTEN3
    -- SIP/EXTEN1-848c is ringing
    -- SIP/EXTEN2-8d15 is ringing
    -- Got SIP response 302 "Moved Temporarily" back from 10.0.0.56
    -- Now forwarding SIP/10.0.0.1-b5437768 to 'Local/<forwardnum>@<context>' (thanks to SIP/EXTEN3-7642)
    -- Executing SetCallerID("Local/<forwardnum>@<context>-81d5,2", ""Name" <2021234567>") in new stack
    -- Executing Dial("Local/<forwardnum>@<context>-81d5,2", "SIP/<forwardnum>@pri_gw") in new stack
    -- Called <forwardnum>@pri_gw
    -- SIP/pri_gw-6f36 is making progress passing it to Local/<forwardnum>@<context>-81d5,2
    -- Local/<forwardnum>@<context>-81d5,1 is making progress passing it to SIP/10.0.0.1-b5437768
    -- SIP/pri_gw-6f36 answered Local/<forwardnum>@<context>-81d5,2
    -- Local/<forwardnum>@<context>-81d5,1 answered SIP/10.0.0.1-b5437768
    -- Attempting native bridge of SIP/10.0.0.1-b5437768 and SIP/pri_gw-6f36

Thanks,

John

On Sun, 2005-11-06 at 14:23 -0500, C F wrote: 
> 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 at 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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