Personal communication using intelligent terminals
Personal dial tone service with personalized caller ID
Portable telephone user profiles using central computer
Presence information for telephony users
Priority call on busy
Privacy screening service with a bypass code
Private circuit provision in a telecommunications network
Procedure for the transmission of a subscriber number
Providing a call waiting distinctive ringback feature in...
Providing call backup of voice over internet protocol (VoIP)...
Providing enhanced services through double SIV and personal dial
Providing features to a subscriber in a telecommunications...
Providing special services to a caller configured as a virtual c
Provisioning system for network resources