Hello,
On 1/17/12 7:50 PM, Stoyan Mihaylov wrote:
We use kamailio 3.2 and imsdroid to make videocalls, send messages
etc. What we have to this moment is kamailio 3.2, rtpproxy, asterisk
and modified imsdroid (for Android phones). Asterisk is used for
billing and some other services.
Imsdroid can send 2 kind of messages. One of them is called SMS and
they can go directly using kamailio and rtpproxy. I can get logs and
provide here as much as possible about this type of messages.
probably this is via MESSAGE requests, which is so called page-mode
instant messaging. Kamailio is enough to route them, no need for rtp
proxy or msrp relay. You can do a ngrep on the kamailio server and see
what sip requests are passing through.
For other messages may be exactly something like MSRP is must. Doesn't
matter what and how we do, best what we receive now is "attempt" to
send message. Receiver receive notification and nothing more - neither
user, nor content.
Also here, watching the sip traffic on the kamailio server with ngrep
should give leads about how it is done, if it is SIP at all. You can use
a command like:
ngrep -d any -qt -W byline port 5060
We have lot of experience with Asterisk, but only few months with
Kamailio and almost no experience with messages. May be we do
something else wrong, but what I can do is using wireshark to post
here some results.
By the way - there are variants of imsdroid (with other names) for
iPhone, and Windows - but with windows version we got bad results.
Android version works very well.
Any linux/mac os x variant -- it is where I can test easily.
Thanks,
Daniel
On Tue, Jan 17, 2012 at 6:00 PM, Carsten Bock <cars...@ng-voice.com
<mailto:cars...@ng-voice.com>> wrote:
Thumbs up, definitely cool new feature!
I hope to see you at FOSDEM, not sure if i can make it....
Thanks!
Carsten
2012/1/17 Daniel-Constantin Mierla <mico...@gmail.com
<mailto:mico...@gmail.com>>:
> Hello,
>
> a new module is now on development branch, named msrp, offering
an embedded
> MSRP relay. Message Session Relay Protocol is specified by IETF
( core and
> relay part in RFC4975 and RFC4976), one of typical use cases is
Instant
> Messaging sessions negotiated via INVITE-200ok-ACK, a different
approach
> than SIP MESSAGE request.
>
> There is no external dependency, the transport layer from core
is reused to
> manage TCP/TLS connections used for MSRP. A MSRP relay is pretty
much an
> independent node, thus you can run Kamailio just to deal with
MSRP traffic.
> But there is no problem to run Kamailio to handle SIP and MSRP
traffic in
> the same instance, same or different sockets (it is working even
when
> SIP/MSRP are sent over the same connection or different
connections to same
> port).
>
> I couldn't find a reliable and trustable open source SIP phone
to test with
> it so far (hints are welcome), the module was tested with
network tools and
> chaining Kamailio instances. Help with testing and feedback is very
> appreciated -- I can provide guidelines to adjust the config
file to fit
> tester's needs, just contact me off list or via IRC channel.
>
> For the moment, the relation (user,session) management is done
in the
> config, using htable module for example (see the README), it may
be added
> inside the module for the future to make it easier overall,
although is less
> than 10 lines of config -- this is mainly for extra security
reasons, to
> check if the session id matches the connection that was opened
when the
> session was created, otherwise the user authentication
functionality is done
> reusing existing functions from auth module. Another benefit is
> performances, storing local socket and connection IP/port saves
some time to
> lookup the connection.
>
> Building MSRP relay on top of SIP server was done first for the
benefit of
> reusing the transport layer from the core for IPv4/IPv6 and
TCP/TLS, which
> is mature, scalable and offers asynchronous communication.
Besides that, you
> have most of the config tools to route SIP requests available
for routing
> MSRP (authentication, authorization, IP checking, accounting,
a.s.o.).
>
> I made a news post with more details:
>
> *
http://www.kamailio.org/w/2012/01/new-module-embedded-msrp-relay/
>
> The readme of the new module is available at:
>
> * http://kamailio.org/docs/modules/devel/modules/msrp.html
>
> Cheers,
> Daniel
>
> --
> Daniel-Constantin Mierla -- http://www.asipto.com
> http://linkedin.com/in/miconda -- http://twitter.com/miconda
>
>
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--
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