Wilfried Jouve Nicolas Palix Charles Consel Patrice Kadionik A SIP-Based Programming Framework for Advanced Telephony Applications. 1-20 2008 IPTComm http://dx.doi.org/10.1007/978-3-540-89054-6_1 conf/iptcomm/2008 db/conf/iptcomm/iptcomm2008.html#JouvePCK08