Likewise Paul - thanks for the pointer.

Paul Fremantle wrote:
Good point!

SIP is basically the standard for doing Voice Over Internet Protocol
(VOIP) that is used by systems like Vonage, Asterisk, etc to provide
phoning on the internet.

Merry Christmas and Happy New Year to everyone!

Paul

On Dec 22, 2007 8:29 AM, Demetris G <[EMAIL PROTECTED]> wrote:
Echoing Paul's "I didn't know anything about coding SIP in Java" and further
seeing these terms flying around this list for a long time now, wouldn't
be so
much nicer for the rest of us who are willing to learn, for whoever is
asking
a Q out of the list to also spend 3.5 secs to write down a definition of the
term they are requesting help with? I hear POJO, MOJO, GOJO, blah blah
and MTOM and this and that and now SIP ... oh sure, everything is just
a google away but putting it in the context of the list educates all of
us. Just
a friendly suggestion ...

SIP - away my friends ...



Paul Fremantle wrote:
Samir

Ok so I didn't know anything about coding SIP in Java :)

Basically, yes we need a reference impl of the SIPServlet spec
(assuming that it has a valid license), and we also need a client SIP
stack too.

It seems like this is what we need: https://jain-sip.dev.java.net/ tho
I can't find out what license that is under.

Also I found an interesting alternative to the SIP Servlet which is the JIPlet:
http://www.cafesip.org/projects/jiplet/index.html

However, I'm not sure its really worth using JIPlet over the SIP
servlet. What are your thoughts?

Paul

PS. In HTTP the equivalent is the servlet plus the Commons HTTPClient.
However, the newer non-blocking HTTP is based on an Apache library
called HTTPCore which provides a non-blocking IO version of HTTP.



On Dec 22, 2007 1:08 AM, samir shaikh <[EMAIL PROTECTED]> wrote:

Paul,

What do you mean by base SIP function? Do you mean we
need some reference implementation of the sipservlet
specification? can you tell me what it is for http so
then i can understand what we are looking for here.


Samir

--- Paul Fremantle <[EMAIL PROTECTED]> wrote:


Samir

The usual first step is to identify a library that
can be used to
provide the base SIP function. Also the library
needs to be compatible
with Apache Licensing - i.e. it must be Open Source
and also not GPL
(but LPGL is ok). Obviously if we can find one under
the Apache or BSD
license that is best.

Paul

On Dec 21, 2007 12:14 AM, samir shaikh
<[EMAIL PROTECTED]> wrote:

Paul,

I'll be happy to team up with you on this. If you
could lay out for me what is involved that will be
great. We could have something based off of the
sipservlet specification. Meanwhile, I can also
research the existing transports as part of

synapse.

Samir



--- Paul Fremantle <[EMAIL PROTECTED]> wrote:


Samir

We do not have a SIP transport for SOAP in

Axis2.

However, if you
would be willing to help write one we would be

very

happy to help.
From my knowledge of SIP it would make a good
transport and has some
benefits over HTTP. If you want to see how Axis2
transports are
written, you might actually start here:



http://svn.apache.org/repos/asf/webservices/synapse/trunk/java/modules/transports/src/main/java

We have written a few new transports for Axis2

under

the Synapse
project and there are some base classes to help

you.

Of course there are also the core Axis2

transports:

http://svn.apache.org/repos/asf/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/transport

If you want to collaborate I will certainly

help.

Paul

On Dec 19, 2007 11:22 PM, samir shaikh
<[EMAIL PROTECTED]> wrote:

Hi,

I'm trying to get SIP to be the transport

layer

for my

Axis2 server. Does anyone know where I can

find

examples of that and if that is possible to

do.

Thank you.!

Samir




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