Rapid call set-up for multiple leg telecommunications sessions

Re-establishment of a private circuit in a telecommunications sy

Real time customer service data manipulation to allow...

Real time customer service data manipulation to allow...

Real time meeting setup service

Real-time object-oriented database for TAPI service providers

Real-time process for defining, processing and delivering a...

Real-time usage-based spontaneous subscription service

Reconciling database information among service providers

Recording of automatic number identification to identify lost cu

Recursive identification of individuals for casual...

Recursive identification of individuals for casual...

Recursive identification of individuals for casual...

Redialing method

Redirection of calls by a communication terminal

Redirection of calls to ported directory numbers in telephone ne

Regional centrex

Relational database system for storing different types of data

Reliable call progress indication for SIP

Remembrance-promoted number receipt for call allowance