No subject

5.2.6 Shared Call Appearance Signaling
A shared line is an address of record managed by a back to back user agent
(B2BUA)
server. The B2B server allows multiple endpoints to register locations
against the
address of record.
SoundPoint® IP supports shared call appearances (SCA) using the
SUBSCRIBENOTIFY
method in the "SIP Specific Event Notification" framework (RFC 3265).
The events used are:
. "call-info" for call appearance state notification
. "line-seize for the telephone to ask to seize the line

5.2.6.1.1 Call-info header
The "call-info" header is used in INVITE, SUBSCRIBE, and NOTIFY to give
appearance
index information.
"call-info" header format:
Call-Info = "Call-Info" HCOLON info *(COMMA info)
info = LAQUOT absoluteURI RAQUOT *( SEMI info-param)
info-param = ( "purpose" EQUAL ( "icon" / "info"
/ "card" / token)) / generic-param
Two "generic-param" fields are defined:
"appearance-index" EQUAL ( (1*DIGIT) / STAR ) )
"appearance-state" EQUAL ( "idle" / "seized" / "progressing" / "alerting"
/ "active" / "held" )
Example of call-info header in INVITE request:
INVITE sip:5551212 at polycom.com ...
From: <sip:5551000 at polycom.com>...
To: <sip:5551212 at polycom.com>...
Call-Info: <sip:polycom.com>;appearance-index=3
...


Example of call-info header in response:
SIP/2.0 200 OK ...
From: <sip:5551000 at polycom.com>...
To: <sip:5551212 at polycom.com>...
Call-Info: <sip:polycom.com>;appearance-index=3
...
Example of call-info header in NOTIFY request:
NOTIFY sip:contact at endpoint ...
From: <sip:5551000 at polycom.com>...
To: <sip:5551000 at polycom.com>...
Call-Info: <sip:polycom.com;appearance-index=1;appearance-state=active,
<sip:polycom.com>;appearance-index=2;appearance-state=held,
<sip:polycom.com>;appearance-index=3;appearance-state=idle,
<sip:polycom.com>;appearance-index=4;appearance-state=idle
Event: call-info
...
5.2.6.1.2 Call-info event package
SoundPoint® IP sends a SUBSCRIBE message with "event" set to "call-info" to
subscribe
to call information for a specific address of record. For example:
SUBSCRIBE sip:contact at endpoint ...
From: <sip:5551000 at polycom.com>...
To: <sip:5551000 at polycom.com>...
event: call-info
...
The server sends NOTIFY messages to all telephones which share that line to
indicate
the line state. For example:
NOTIFY sip:contact at endpoint ...
From: <sip:5551000 at polycom.com>...
To: <sip:5551000 at polycom.com>...
Call-Info: <sip:polycom.com>;appearance-index=1;appearance-state=active,
<sip:polycom.com>;appearance-index=2;appearance-state=held,
<sip:polycom.com>;appearance-index=3;appearance-state=idle,
<sip:polycom.com>;appearance-index=4;appearance-state=idle
Event: call-info
...

And there's more.

Now, if someone could point me in the right direction.  Chan_Sip2, maybe?
Olle E. Johansson, where are you?

John



----- Original Message ----- 
From: "Tim Sailer" <tps at buoy.com>
To: <asterisk-users at lists.digium.com>
Sent: Tuesday, February 24, 2004 9:37 PM
Subject: Re: [Asterisk-Users] Simulating the "lighted line in use" type of
phone


> On Tue, Feb 24, 2004 at 04:33:41PM -0500, mattf wrote:
> > Take a look at my GUI app:
> >
> > http://sourceforge.net/projects/astguiclient/
> >
> > It'll run on Linux and Windows, it's written in perl and it'll list
every
> > channel(Zap/SIP/Local) that is active on your system updated every
second.
> >
> > You can also do a lot of other things with it too.
> >
> > We've been using it here at my company for months on over 60 computers
and
> > it scales rather well.
>
> I looked at it, and it won't work for me the way you have written it
> without me hacking at it. You insist on having MySQL run in network
> mode. I really don't want another port/service running on a box that
> is internet-facing... call me silly. :) For things like this, I'll only
> have the service running locally.
>
> Tim
>
> -- 
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> >> Tim Sailer                       ><  Coastal Internet, Inc.          <<
> >> Network and Systems Operations   ><  PO Box 726                      <<
> >> http://www.buoy.com              ><  Moriches, NY 11955              <<
> >> tps at buoy.com                     ><  (631) 399-2910  (888) 924-3728  <<
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> _______________________________________________
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