Method and apparatus for providing secure interface to...
Method and apparatus for providing shared services
Method and apparatus for providing voice and data services...
Method and apparatus for providing voice signals to and from...
Method and apparatus for providing voice signals to and from...
Method and apparatus for providing voice signals to and from...
Method and apparatus for PSTN-based IP active call recovery...
Method and apparatus for PSTN-based IP active call recovery...
Method and apparatus for real time protocol feedback mixer...
Method and apparatus for reducing echo and crosstalk in a...
Method and apparatus for reducing load distribution delay in...
Method and apparatus for reserving and releasing bandwidth...
Method and apparatus for routing a call in a packet-switched...
Method and apparatus for routing data
Method and apparatus for routing data
Method and apparatus for routing in a communication or data...
Method and apparatus for routing internet calls
Method and apparatus for screening computer-telephony calls
Method and apparatus for selecting an internet/PSTN changeover s
Method and apparatus for selectively presenting...