Project    : eXosip2 - the eXtended osip Library.Email      : jack@atosc.orgLicense    : GPLHome Page  : http://savannah.gnu.org/projects/exosipeXosip is a GPL library that  extend  the  capability  ofthe oSIP library. It aims  to  implement  a  simple  highlayer API to control the SIP for sessions establishementsand common extensions.Once completed, this eXtended library should  provide  anAPI for call management, messaging and presence features.Other license:--------------src/inet_ntop.c:/* Copyright (c) 1996 by Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS * SOFTWARE. */Features:--------eXosip2 has support for: * registrations. (REGISTER) * call initiation and modification. (INVITE, re-INVITE) * other methods within calls (INFO, OPTIONS, UPDATE) * call transfer. (REFER) * reliability for provisionnal response. (PRACK) * sip event package. (SUBSCRIBE/NOTIFY) * event state publication. (PUBLISH) * instant messaging. (MESSAGE) * ...eXosip2 does not contain: * RTP. * audio interface * sdp negotiation. * ...          This allow you to write any kind of SIP endpoint/gateway.Installation procedure:-----------------------The program is known to run on linux, but might workon any unix and windows systems.   $> ./configure   $> make   $> su -c 'make install'YOU NEED ORTP or the UCL Common RTP library to compilethe test program (josua).DISABLE JOSUA:   $> ./configure --disable-josua   $> makeENABLE JOSUA with ucl:   $> ./configure --enable-ucl   $> makeENABLE JOSUA with ortp:   $> ./configure --enable-ortp   $> makeContact information:--------------------For more information on eXosip, any contributions, or any remarks,you can contact me at <jack@atosc.org>.Use the *osip* mailing list for question about eXosip.  <osip@atosc.org>.Subscribe by writing to:  <osip-request@atosc.org> with a subject set to "subscribe".