Call screening method and apparatus
Call screening method and apparatus for use in completing teleph
Call screening method of a facsimile system having a...
Call screening method using selective call acceptance
Call ticker
Call transfer device for an automatic answering phone using an a
Call transfers by voice messaging system (VMS) integrated to a p
Call waiting arrangement providing options to both a subsequent
Call waiting arrangement providing options to both a subsequent
Call waiting notification
Callback function for messaging platform in public telephone...
Called party identification in packet switched networks
Called party mailbox service
Caller adaptive voice response system
Caller ID blocking method and processing system (block caller ID
Caller ID messaging
Caller identification system with announcement capability
Caller identification verification system
Caller information (CLID) controlled automatic answer feature fo
Caller name and identification communication system with caller