800 number callback

Abandoned call control and indication

Access to capabilities of other telephone stations

Access to unsubscribed features

Advanced intelligent network access by customer premise equipmen

Alerting user engaged in a first communications session on a fir

Anonymous voice communication

Antenna cap, antenna connectors and telephone line connectors fo

Apparatus and method for accessing both local and network-based

Apparatus and method for identifying a failed subscriber unit in

Apparatus and method for providing echo suppression to a plurali

Apparatus and method for providing remote users with the same un

Apparatus and method for providing services prior to call comple

Apparatus and method for speech signal analysis

Apparatus and method of distributing call processing resources

Apparatus and method therefor of intelligently searching for inf

Apparatus for converting distinctive ring to selective ring in t

Apparatus for handling features in a telephone network

Apparatus for managing an element manager for a telecommunicatio

Apparatus for selectively enabling subscriber device to respond