okApparatus for a voice over IP (voIP) telephony gateway and...

On-demand guaranteed bandwidth service for internet access point

Operational support system for telecommunication services

Operator status server for voice over data

Optical layer multicasting using a single sub-carrier header...

Optical layer multicasting using multiple sub-carrier...

Optimistic caching for address translations

Optimization process and system for multiplexed gateway...

Optimization process and system for non-multiplexed...

Optimized interworking between different communication...

Optimizing bandwidth of DSL connections

Ordered delivery of intercepted data

Originator based directing and origination call processing...

Out-of-band signaling for network based computer session...

Outlet with analog signal adapter, a method for use thereof...

Outlet with analog signal adapter, a method for use thereof...