Unified communication services via e-mail
Unified message system for accessing voice mail via email
Unified messaging architecture
Unified messaging system
Unified messaging system
Unified messaging system
Unified messaging system
Unified messaging system and method providing cached message...
Unified rules for voice and messaging
Universal IP-based and scalable architectures across...
Universal mailbox
Universal messaging service using single voice grade telephone l
Universal voice browser framework
Universal wireless radiotelephone system
Unsolicited phone call removal system
Update of web audio messages via audio user interface
Use of a VCXO in the base unit of a two-handset cordless telepho
Use of incoming caller line identification
Use of ISDN to provide wireless office environment connection to
User addressable computer telephony system