Accelerated channel change in rate-limited environments

Accelerated session establishment in a multimedia gateway

Adapter for use with a tandem-free conference bridge

Adaptive communication modes

Adaptive communication modes

Adaptive signaling in multiple antenna systems

Ancillary information transmission while user is on hold...

ANS designed for a conference between conference room...

Apparatus and method for automatic conference initiation

Apparatus and method for computer controlled call processing...

Apparatus and method for computer telephone integration in...

Apparatus and method for computer telephone integration in...

Apparatus and method for efficiently running applications on...

Apparatus and method for multiple party communication session

Apparatus and method for notification of a party in a...

Apparatus and method for optimal conference call...

Apparatus and method for packet-based media communications

Apparatus and method for packet-based media communications

Apparatus and method for packet-based media communications

Apparatus and method for processing multiple telephone calls