I think it's usually called a whisper page.

Easier to do with an asterisk type system as the voice is going through
the PBX and you can simply mix the operator voice in with the call
voice.  A little harder to do in the pure sip world where the
conversation is phone to gateway...

Mike

> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:sipx-users-
> [EMAIL PROTECTED] On Behalf Of Matt White
> Sent: Thursday, July 10, 2008 9:25 AM
> To: [email protected]
> Subject: [sipx-users] Subdued Off Hook Voice Announcement
> 
> I've had a few customers request this feature in the last few months.
> If your not familiar with it, it allows the operator to "break" into
> your call and speak to you without the other caller hearing.  Sorta
> like so the operator can tell you that your boss is on hold and
waiting
> to speak to you.
> 
> I was thinking about how I could sorta get this functionality.  I
don't
> have a polycom phone here to test with but what happens if the
operator
> uses the "intercom" function in 3.11/4.0 while the caller is already
on
> the line.  Will it roll over to the second line and still come through
> or will drop the call?
> 
> Thanks,
> Matt
> 
> 
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