AA battery cellular phone
Abandoned call control and indication
Abbreviated and enhanced dialing apparatus and methods particula
Abbreviated and enhanced dialing apparatus and methods particula
Abbreviated dialing between PBX and Centrex systems using a...
Abreviated dialer with reduced key operations
Abstract interface for media and telephony services
Abstracting system for multi-media messages
Abuse resistant safety telephone and method of adaptation
Abuse resistant safety telephone and method of adaptation
AC-center clipper for noise and echo suppression in a...
Accelerator for intelligent voice response system
Accent-based matching of a communicant with a call-center agent
Acceptance of inputs from various interfaces to a telephony...
Access code dialing apparatus and method
Access control apparatus for use with buildings, gated propertie
Access control apparatus for use with buildings, gated propertie
Access control system having a programmable automatic...
Access control system having tenant codes that may be...
Access method for distributed dynamic channel allocation in micr