[Freeswitch-users] Sharing Presence Information Across Separate Offices

afshin afzali a.afzali2003 at gmail.com
Thu Aug 20 01:29:19 PDT 2009

Hi Kenneth,

I'm not going to answer your question! Instead I would like to emphasize on
the thing you are going to achieve because some times ago I've post this
question in some other title but unfortunately did not get any answer. As
the SIP protocol's point of view you should be able to subscribe every
FreeSWITCH machines for external events in another one (or probably in a
central PRESENCE server such as SER) to get NOTIFY messages which indicate
the information you wish to have. Although the sofia SIP endpoint can do
this (as you can find in its features) I could not find any guidelines for
it in FreeSWITCH.

-- Afshin Afzali

On Thu, Aug 20, 2009 at 10:21 AM, Kenneth Shaw <ken at expitrans.com> wrote:

>  I apologize in advance if this message duplicates a previous post or the
> topic has been covered elsewhere. If that's the case, a pointer would be
> appreciated!
> I have multiple offices each running Freeswitch and a number of Polycom
> phones and softphones.
> I would like to share the presence information between the offices, such
> that if a person in Office B can see if a person in Office A is on the
> phone. I personally don't know of any way to do this through Freeswitch as
> it stands. I have thought about using a VPN for the offices and just setting
> up the phones to all register to a single server, however I don't want calls
> between phones in the same office (intra-office) to have to be routed all
> the way through a different office, which may be on the other side of the
> world and costs bandwidth.
> Any suggestions as to the best way to accomplish this would be greatly
> appreciated. Thanks!
> --
> Kenneth Shaw
> ExpiTrans, Inc.
> 129 W. Wilson St., Suite 204
> Costa Mesa, CA 92627
> tel: 949.650.4600
> fax: 949.642.6044
> ken at expitrans.com
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