[SR-Users] Can Kamailio help with this?

[Antony Stone]

On Saturday 15 May 2021 at 22:49:01, Mojtaba wrote:

> Absolutely yes, In Kamailio with specific module you could do it. Some
> related module for doing this scenario are:
> presence, presence_xml, presence_dialoginfo, pua, pua_dialoginfo
> You could know more about them by referring to its documentation.

Thanks for the confirmation; I'm sure the details you provide will make more 
sense to me once I'm at a stage where I can use them.

In the meantime, I assume that the other part of my requirement - getting 
Kamailio to pass through client registrations from Asterisk to a remote PBX - 
is a far more standard setup - where can I find configuration guidelines on how 
to do this, given that I've never implemented Kamailio so far?


Thanks,

> On Sat, May 15, 2021 at 5:52 PM Antony Stone wrote:
> > Hi.
> > 
> > I've been aware of Kamailio, and on this list, for several years, but so
> > far I have not implemented Kamailio for any purpose.
> > 
> > I wonder if it could be a suitable tool for the following scenario.
> > 
> > I currently use Asterisk to register as a client, with username and
> > password, to other SIP PBXs in order to receive calls.  As far as the
> > other PBX is concerned, Asterisk looks like a SIP telephone on a
> > particular extension.
> > 
> > However, Asterisk's SIP client capabilities are limited to handling phone
> > calls only, and it specifically cannot receive presence information about
> > the state of other extensions from the remote PBX.
> > 
> > So, could Kamailio be used in the path between Asterisk and the remote
> > PBX so that the registration on the PBX comes from Kamailio (with any
> > incoming calls being passed to Asterisk), but with Kamailio also receiving
> > presence information from the remote PBX and making this available to some
> > script or application (which I would expect to have to write)?
> > 
> > The main point is that I don't want to have two things registering to the
> > remote PBX, one for calls and one for presence, so I'm looking for a way
> > to register with something which understands presence, and can also pass
> > calls on to Asterisk.
> > 
> > Can anyone suggest whether Kamailio could do this, and if so, point me at
> > some resources to help me get started; or alternatively suggest ideas on
> > some other tool which might be more appropriate than Kamailio?
> > 
> > 
> > Thanks for any ideas,
> > 
> > 
> > Antony.

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