Call blocking device and methods

Call control component collection of communication device...

Call pick-up system and method of a switching device

Call prevention device and method

Call recovery method and apparatus for an attendant...

Call related information receiver to receiver transfer

Call screening system and method

Call-waiting and caller identification with three-way conversati

Caller ID and call waiting for multiple CPES on a single telepho

Caller ID and call waiting for multiple CPES on a single telepho

Caller ID call memo system

Caller ID data-reporting mechanism for electronic devices...

Caller ID device with a power saving function

Caller ID display system for telephony over a packet...

Caller ID equipment which displays location of caller

Caller ID logging: entry storage on a per line basis

Caller ID lookup

Caller ID messaging

Caller ID messaging device

Caller ID messaging telecommunications services