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Re: [Linphone-developers] SIP service - technical details

From: Kristian Kielhofner
Subject: Re: [Linphone-developers] SIP service - technical details
Date: Wed, 26 Jan 2011 10:57:53 -0500

I'm sure you've expected this but my first question is: Why another SIP proxy?

The venerable SER family (SER/Kamailio/OpenSIPS), for example, has a
decade head start on Flexsip.  I'm sure you're well aware but the
modules/feature list speaks for itself:

The stability, scalability, and feature set is unmatched and has been
for some time.  When Cisco designed the platform for Linksys One four
years ago, they chose OpenSIPS:

Where does Flexsip fit in with all of this?

On Wed, Jan 26, 2011 at 10:38 AM, Simon Morlat
<address@hidden> wrote:
> Dear users and developers,
> This second email is to announce a few technical details about the newly 
> launch SIP service.
> The service is powered by a sip proxy software called "Flexisip", that we 
> (Belledonne Communications SARL company) have developed over the past months.
> We plan to release it under the GNU Affeiro GPL open-source license as soon 
> as it is ready for public distribution, that is when we'll enough have 
> polished its configuration management and documentation.
> It is written in C/C++ and is based over the LGPL sofia-sip stack.
> The feature set at this time is:
> - registration, call routing (the basics)
> - digest authentication linked to a subscriber database
> - NAT friendly: it implements all required SIP features required to 
> workaround nat problems, that is contact fix up, Record-Routes, and of course 
> media relay for both audio and video streams.
> - transparent audio transcoding, based on mediastreamer2 media engine (but 
> this option is not activated in the instance running on
> Our intent is to make this Flexisip product a SIP proxy easy to deploy, 
> robust, and easy to extend with media-oriented features.
> We'll be pleased to answer any questions on the linphone list regarding the 
> ongoing flexisip development.
> Simon
> _______________________________________________
> Linphone-developers mailing list
> address@hidden

Kristian Kielhofner

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