[Freeswitch-dev] freeswitch SBC register configure

ThanhTruong ngoc217thanh at yahoo.com
Thu Jun 13 06:06:43 MSD 2013


Thank you so much for your answer, I have seen that and tried to edit/change code in mod_sofia to handle register and send message to registrar server, i am in this state , If some one can help me to forwarding REGISTER/SUBSCRIBE/NOTIFY and more to another registrar server, I am so thank.

thank all in advance.

 From: Moises Silva <moises.silva at gmail.com>
To: freeswitch-dev at lists.freeswitch.org 
Sent: Wednesday, June 12, 2013 11:30 PM
Subject: Re: [Freeswitch-dev] freeswitch SBC register configure

On Wed, Jun 5, 2013 at 3:25 AM, Steven Ayre <steveayre at gmail.com> wrote:

FS is a B2BUA not a proxy. It doesn't forward messages to another server.
Although I generally agree with your statement. It is not completely accurate. The fact that FS is a B2BUA does not preclude it from eventually supporting this feature that is known sometimes as 'upper' or 'thru' registration, which is fairly common in SBCs, some of which are still B2BUA. There is little to no standard information in what a B2BUA can accomplish, so 'forwarding' messages is something a specific B2BUA implementation can do.

Sangoma's SBC, which has FreeSWITCH at its core has implemented this functionality. We hope to be able to merge it back as soon as we have a maintenance window that allows us to upgrade our patch to mod_sofia to 'forward' REGISTER/SUBSCRIBE/NOTIFY instead of handling it locally. This is similar to what a proxy would do, but not exactly, as separate dialogs are kept on each side (different from/to tags, call-id)



Moises Silva
Manager, Software Engineering
msilva at sangoma.com
Sangoma Technologies
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