Methods and apparatus for managing an in-band data transmission
Methods and systems for telephony call completion
Methods of controlling communications with at least two...
Methods, systems, and computer program products for...
Mobile terminal and multimedia contents service providing...
Modem communications interoperability with services equipped to
Multiple call waiting in a packetized communication system
On hold call waiting display method and apparatus
Personal dial tone service with personalized call waiting
Polite call waiting notification
Process, service computer, switching centre, terminals and...
Program-controlled communication system whereby a call request i
Provision of media content to telephony callers on-hold
Ringback replacement insertion system
Screening of calls in a packet-based network
Selective call waiting
Selective call waiting
Selective call waiting caller ID
Selective call waiting service
Selective call waiting service