Apparatus and method for modifying a frequency hopping sequence

Apparatus and method for obtaining information in a wide-area te

Apparatus and method for obtaining information in a wide-area te

Apparatus and method for overriding an automatic answer...

Apparatus and method for PBX-integrated unified messaging...

Apparatus and method for personalized call acknowledgement

Apparatus and method for providing automatic telephone response

Apparatus and method for providing call return service

Apparatus and method for providing priority voice messaging...

Apparatus and method for recording URL together with voice...

Apparatus and method for recording/reproducing voice message...

Apparatus and method for reducing speech recognition vocabulary

Apparatus and method for routing messages in a telephone message

Apparatus and method for setting an ID number by sound in a cord

Apparatus and method for simultaneous multiple telephone...

Apparatus and method for simultaneous multiple telephone...

Apparatus and method for spoken caller identification using sign

Apparatus and method for storage and accelerated playback of...

Apparatus and method for transparent telephony utilizing speech-

Apparatus and method for verification of the presence of a...