Apparatus and method for improved dial-type recognition

Apparatus and systems for utilizing caller ID data to...

Arrived call receiving system for supporting reception...

Automated call connection system

Automated call screening

Automatic person-following communication system

Automatic telephone line monitoring and selection apparatus and

Call back method

Call handling

Call queue handling

Call scheduling in a telephone network using a telephony...

Call scheduling on a telephone network using a telephony...

Call waiting deluxe feature

Call-back controllable exchange and call-back control method...

Call-back method for telecommunications and devices adapted...

Call-back number voice capture method and apparatus

Call-back number voice capture method and apparatus

Call-to-make reminder system

Communication control unit having a free dial and collect...

Communications system for establishing a communication channel o