Method of and system for password protection in a telecommunicat
Method of arbitrating type II/type III CPE's during SCWID
Method of controlling telecommunications signalling
Method of restricting telephone calls in a private branch exchan
Method of screening and prioritizing an incoming call
Method, apparatus, and system for filtering incoming...
Method, system, and database for providing a...
Methods and apparatus for authenticating and authorizing...
Minimization of distortion due to a voice coil displacement in a
Multi-user telephone line