Method and device for controlling affiliation of remote...

Method and device for hunting for communication channel

Method and device for providing intermediate telephone...

Method and network for transmitting addressed signal samples fro

Method and system for compensating for signal deviations in tone

Method and system for distinguishing valid DTMF signals from spu

Method and system for distributing data to nodes in PBX network

Method and system for protecting equipment and switching...

Method for creating a telephone digital switching platform

Method for load distribution among the central processors of a m

Method for operating and apparatus for a back-plane...

Method for supporting session mobility

Method for switching active calls

Method for warming up a spare process in a replicated real-time

Method of controlling overloads in a telecommunications network

Method of overload control for the central control of a telecomm

Method of providing continual network access for subscriber...

Method of transferring information between microcomputers in a d

Method of transmitting dual tone multi-frequency during communic

Methods and apparatus for modeling and emulating devices in a ne