incoming call on a telephone line that is already in use. Call waiting allows you to toggle from one caller to the other.

Centrex/Plexar

Central office exchange service. The telephone company offers PBX features on a ‘pay-per-service’ basis. This service may not be available from all telephone companies. Centrx/Plexar call switching happens at a local telephone company instead of your company’s premises.

CNG

A tone emitted by most fax machines to initiate contact with another fax machine.

CO

Central office of a telephone company.

COM port

Communications port. If you connect your TalkSwitch unit to your PC with a Serial cable, the COM port communicates with your TalkSwitch. It creates an internal virtual pathway to transmit data to and from the Serial port and the software. Most PCs have four COM ports.

Communications software

Software to send and receive data over telephone lines via modems.

Compression

Reduces the data size. It saves data storage space, bandwidth and transmission time.

Conference call

Connecting three or more parties for one phone conversation. They can be internal or external TalkSwitch parties or remote callers.

Configuration

The way the system is set up. The configuration software defines the settings of the TalkSwitch system. These settings determine what each TalkSwitch feature will do and when and how it will do it.

Connector

The end of a cable that plugs into a port or interface to connect one device to another.

Digit

A whole number from 0 to 9. The numbers on your telephone keypad are digits.

Digital (see also analog)

Digital devices (phones, answering machines, etc.) convert analog waves to

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T A L K S W I T C H U S E R G U I D E • N O R T H A M E R I C A

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Talkswitch 24-CA manual Centrex/Plexar, COM port, Communications software, Compression, Conference call, Connector, Digit