Method and apparatus for processing routing requests

Method and apparatus for protecting call privacy across...

Method and apparatus for providing a look ahead feature for enha

Method and apparatus for providing calling features independent

Method and apparatus for providing expanded...

Method and apparatus for providing expanded...

Method and apparatus for providing expanded...

Method and apparatus for providing expanded...

Method and apparatus for providing internet protocol call...

Method and apparatus for providing local number portability

Method and apparatus for providing telecommunications trunk...

Method and apparatus for receiving and processing an incoming ca

Method and apparatus for remotely controlling telephone...

Method and apparatus for remotely controlling telephone...

Method and apparatus for routing an anonymous call

Method and apparatus for routing calls based on call success his

Method and apparatus for routing calls based on the...

Method and apparatus for routing calls based on...

Method and apparatus for transferring services for a first...

Method and apparatus for updating revertive telephone numbers