Method and apparatus for determining bandwidth for services...

Method and apparatus for determining the configuration of...

Method and apparatus for determining usage of digital signal...

Method and apparatus for digital cellular internet voice...

Method and apparatus for distributing access devices for...

Method and apparatus for DTMF signaling on compressed voice...

Method and apparatus for DTMF signaling on compressed voice...

Method and apparatus for dynamically determining when to use...

Method and apparatus for dynamically varying a packet delay...

Method and apparatus for early detection of DTMF signals in...

Method and apparatus for efficient protocol-independent...

Method and apparatus for enabling communications assistance...

Method and apparatus for enabling dual tone multi-frequency...

Method and apparatus for enabling dynamic codec selection on...

Method and apparatus for enabling service indicators in a...

Method and apparatus for enabling transmission of data packets o

Method and apparatus for enhanced internet telephony

Method and apparatus for enhanced Internet Telephony

Method and apparatus for establishing a collect call...

Method and apparatus for establishing asynchronous fax...