Automatic backup trunking for voice over the internet

Automatic conversion of telephone number to internet...

Automatic discovery of nodes associated with a virtual subnet

Automatic IP directory number masking and dynamic packet...

Automatic propagation of circuit information in a...

Automatic propagation of circuit information in a...

Automatic telephone call transfer apparatus in internet...

Automatic voicemail announcements with multimedia attachments

Automatically sending rich contact information coincident to...

B-channel synchronization for G 723 1 vocoding

Band signal detection and presentation for IP phone

Bandwidth biased codec selection system and method

Bandwidth detection in a heterogeneous network with parallel...

Bandwidth management apparatus, address resolution...

Bandwidth on demand for media services at stationary...

Bandwidth protection for voice over IP

Bandwidth transfer switching system

Basic architecture for packet switched protocol based GSM...

Bearer path resource matching in a wireless communication...

Bi-directional information exchange mechanism for...