3-Way call detection system
3-way call detection system and method
3-Way call detection system and method
Acoustic encoding of dynamic identification codes
Active dipole telephone line protection device
Adaptive call screening method
Adding an identified caller's other devices to a voice mail...
Additional telephone equipment and method for protecting against
Advanced three way call detection system and method using...
Alternate routing schemes using quality of service...
Anonymous interactive internet-based dating service
Apparatus and method for controlling access to a telephone
Apparatus and method for management of policies on the usage...
Apparatus and method for routing blocked calls
Apparatus and method for screening foreign incollect calls to do
Apparatus for converting a standard telephone to an unlisted num
Apparatus for restricting telephone calls
Arrangement for intentionally blocking telephone calls to predef
Authentication method, authentication system and recording...
Automated and selective intervention in transaction-based networ