[SR-Users] General Kamailio with Asterisk (or another PBX) Opinion

Sergiu Pojoga pojogas at gmail.com
Wed May 30 05:10:51 CEST 2018

To overcome what Alex described, PATH module provides a simple but powerful
solution to be used in intermediary proxies. In such a scenario, Kamailio
only forwards Registrations.


For the other option, have a look at the famous example:

About use of PJSIP, I've had my part of disappointments and inconsistencies
when it comes to integration with an edge proxy, hope others have more luck.

On Tue, May 29, 2018 at 1:57 PM, Alex Balashov <abalashov at evaristesys.com>

> On Tue, May 29, 2018 at 05:55:07PM +0000, Wilkins, Steve wrote:
> > Who forwards Registrations to Asterisk or PBX, and who lets Kamailio
> > maintain Registrations?
> That all depends on what you're trying to accomplish.
> But one historical problem with Asterisk has been that Dial()ing peers
> through a trunk sip.conf peer to reach them via a centralised registrar
> broke certain Class 5 features (MWI, presence stuff) that relied on
> contact bindings being in local AstDB.
> As I understand it, the new chan_pjsip driver has effectively vanquished
> that problem, so it makes no difference if your registrar is outboard or
> internal.
> --
> Alex Balashov | Principal | Evariste Systems LLC
> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
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