Abstract: The present invention relates to a communication node and method for connecting and maintaining a call between a caller device and a callee device. The communication node comprises a session controller module and a plurality of internal SIP UA (Session Initiation Protocol User Agent) servers. The session controller module is adapted to remain in communication with the caller device and the callee device through a whole duration of the call. The plurality of internal SIP UA servers is adapted to communicate with the session controller module by open protocol.
March 18, 2008
September 24, 2009
PARAXIP TECHNOLOGIES INC.
Dominic Lavoie, Stephan Goulet, Sebastien Trottier