Project     : partysip - a SIP proxy server and service provider.
Email       : partysip@wellx.com
License     : LGPL for partysip.
              LGPL for the ppl library.
              GPL for all distributed plugins.
Team        : WellX Telecom  <partysip@wellx.com>
              Aymeric MOIZARD <jack@atosc.org>
FAQ         : http://www.freesoftware.fsf.org/partysip/partysip.html#faq

Last Change : Tue Jul  2 17:00:06 CEST 2002

partysip is a modular SIP proxy server. This is a central point for managing
a SIP network. Mainly SIP phones advertise their locations (sip urls like
<sip:jack@atosc.org>) to partysip which is then able to route the calls.

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--------------   STATUS    --------------
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read the NEWS file.

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--------------   LICENSE   --------------
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The license chosen for partysip is the LGPL. This is mainly to allow
the implementations of vendor's plugins. If you are modifying any
files in the source tree, please inform the authors and make your
changes publicly available as the license require to do so.

The plugins provided in the source tree of partysip are all GPL.
People are invited to choose the GPL for all new plugins as this
is the most useful license for users.

If the license does not fit your needs, write <jack@atosc.org>.

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-------------- DESCRIPTION --------------
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partysip is a modular application where functionalities and behaviors are
defined in plugins. A set of proposed plugins for usual behaviors is included
in the distribution. The filtering plugin will block requests based on a
set of rules. The authentication plugin will be responsible of validating
credentials found in requests. A plugin will be responsible for routing
message properly when the request does already contain routing informations.
Other plugins will generally be used to search for locations in a local or
remote database or through a DNS resolution (SRV records).

You don't have enough?

The useful feature about partysip is that you can build plugins for any
purpose:
 * answering machine.
 * make accounting.
 * remote control of your house.
 * conference center.

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--------------   PLUGINS   --------------
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Plugins are made optional. The set of pre-loaded plugins will entirely be up
to the proxy administrator allowing him to adapt the proxy behavior. For
example, one could write a stateless plugin always rooting calls to 5
Statefull proxies for load balancing purpose. Statefull proxies will contains
the authentication plugin while the stateless one won't. This would allow
building quickly a scalable SIP network.

By now, release 0.5.0 offers 5 plugins. A UDP plugin is used to exchange SIP
messages on the network. Any plugins for other protocol can be implemented
(TCP is not yet provided). The filtering plugin is not implemented. An
authentication plugin (rfc2617) exists for MD5. (Supported by nearly all
SIP phones). As some SIP requests already contain enough routing information,
a plugin is able to check if a location search is needed. A plugin offers the
"SIP registrar" functionalities and behaviors where entries are stored in the
local database. A local database access plugin (location search) is ready but
the remote database access plugin is not yet implemented (LDAP might be
supported in the future.)


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--------------CONTRIBUTIONS--------------
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WellX Telecom trusts that partysip can gain from being a free software.
Anyone, individuals or company, wishing to be part of the team is
encouraged to get in touch with us.

No doubt about it, contributions are always welcomed.

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--------------   CONTACTS  --------------
-----------------------------------------

partysip is primarily developed by a French company: WellX Telecom.
For any support or development about partysip, use <partysip@wellx.com>.
For any information about WellX Telecom, use <info@wellx.com>.

http://www.wellx.com/
WellX Telecom
7, Rue du parc de Clagny
78000 Versailles

