Method and apparatus for controlling a digital crossconnect syst

Method and apparatus for data transfer and circuit setting for c

Method and apparatus for data transport using label switching

Method and apparatus for delivering critical information

Method and apparatus for enabling international toll free...

Method and apparatus for enhanced call routing in a...

Method and apparatus for establishing an ISDN call between parti

Method and apparatus for extending PBX features via the...

Method and apparatus for facilitating remote communications acce

Method and apparatus for handling calls requiring the...

Method and apparatus for implementing a plurality of...

Method and apparatus for integrated multimedia call control

Method and apparatus for IP network call delivery

Method and apparatus for prioritizing voice and data in a...

Method and apparatus for processing a sequence of calls

Method and apparatus for providing a specialized resource...

Method and apparatus for providing called party information...

Method and apparatus for providing calling party control

Method and apparatus for providing combined communication servic

Method and apparatus for providing control and input sensing...