Stereo conferencing

Storage abuse prevention

Storage, transmission, communication and access to geographical

Storing information about a telephony session

Subconference calling in a telephony-over-LAN environment

Subscriber alterable call transfer service

Subscriber announcement system

Subscriber control of busy line interrupt and line treatment...

Subscriber equipment muting method and apparatus

Subscriber feature services in a telecommunications system

Subscriber information shifting technique for a private exchange

Subscriber interface for accessing and operating personal commun

Subscriber service management

Subscriber telephone diverter switch

Subscription and paired authorization code based access to a mee

Supervisory management center with parameter testing and alerts

Switch adjunct integration arrangement

Switch system for switching extension numbers

Switching device independent computer-telephone integration syst

Switching method and apparatus having subscriber state managemen