Upgradable customer bridge
Upper closure of a portable telephone and method of...
Urgency of call indication to called party through...
URL-based dialing for voice telephone calls
Use of a VCXO in the base unit of a two-handset cordless telepho
Use of an echo canceller for the detection of CAS signals
Use of caller ID information
Use of handset microphone to enhance speakerphone...
Use of incoming caller line identification
Use of ISDN to provide wireless office environment connection to
Use of lower bandwidth technology to determine channel...
Use of platform-independent code for supporting services in...
Use of RSSI indication for improved data transmission over amps
Use of telecommunications systems for lotteries
Use of wizards/experts in a PBX environment
Use-code based call-treatment selection
User addressable computer telephony system
User appliance with voice help guide
User changeable cosmetic phone interface
User changeable electronic device/mobile phone covers and...