System and method for performing telephone line-in-use detection

System and method for performing telephone line-in-use detection

System and method for performing telephone line-in-use...

System and method for preventing telephone line blocking by...

System and method for preventing telephone line blocking by...

System and method for providing a remote user with a virtual...

System and method for providing a user-selectable interface for

System and method for providing directory information over a tel

System and method for providing selected video images to local t

System and method for remote management of a DSL device

System and method for retaining client configuration...

System and method for retrieving internet data files using a scr

System and method for retrieving internet data files using a scr

System and method for storing and transferring information token

System and method for storing and transferring information...

System and method for storing and transferring information...

System and method for storing and transferring information...

System and method for storing and transferring information...

System and method for transmitting aural information between a c

System and method for transmitting data and commands using a tel