Method and apparatus for measuring quality of service levels

Method and apparatus for N+1 RF switch with passive working...

Method and apparatus for performing a connection admission...

Method and apparatus for protection path setup

Method and apparatus for providing backup telecommunication...

Method and apparatus for providing continuous voice and call...

Method and apparatus for providing redundant protocol...

Method and apparatus for providing redundant protocol...

Method and apparatus for providing virtual facility...

Method and apparatus for reliable communications in a packet...

Method and apparatus for rerouting telecommunications signals

Method and apparatus for routing server redundancy in a...

Method and apparatus for setting up backup path

Method and apparatus for signaling path restoration...

Method and apparatus for signaling path restoration...

Method and apparatus for switch core health monitoring and...

Method and apparatus for switching between active and...

Method and apparatus for transparently providing a failover netw

Method and apparatus of handling data that is sent to...

Method and apparatus to provide facility and module...