AT&T SB67030 Administrator's Manual page 283

Synapse Administrator's Guide
BYPASS port: An RJ-11 jack on the PSTN Gateway that allows for communication during power outages. Plug an analog
telephone into the this jack.
Call Appearance: The five icons on the right side of the Deskset display and the keys and LEDs associated with those icons. The
keys access active and held calls, and calls that are being dialed or predialed. The LEDs and icons indicate the state of each call
or potential call.
Call Deck: When there is more than one active call on an optional Cordless Handset, each screen in the Call Deck represents
and provides access to active and held calls, and calls that are being dialed or predialed. Display each screen by pressing the
or Navigation key in Idle mode.
Call Forward All: Automatically forward calls before they ring. All calls are immediately forwarded to the specified destination.
Call Forward–No Answer: Automatically forward unanswered calls to Voicemail, an extension, or outside phone number
call screening: Listening to a Voicemail message while it is being recorded
Cat.-5 wiring: A twisted pair data cable commonly used in offices for computer communication
CO (Central Office): An office to which subscriber home and business lines are connected. The central office has switching
equipment that can switch calls locally or to long-distance carrier phone offices.
CPT (Call Progress Tones): Audible tones sent from the telephone company central office to indicate the status of phone calls
such as ringback and busy tones
CSU (Channel Service Unit): A line-bridging device that is part of the PSTN, that resides on the customer premises and is
connected to Synapse, and is also used to perform loopback and other tests on T1 connections. This device is typically provided
by the T1 phone service provider.
DECT (Digital Enhanced Cordless Telecommunication): A wireless telephone technology developed specifically for cordless
telephones using frequencies between 1.8 and 1.9 Gigahertz. DECT communication is resistant to interference from other
electronic equipment, has longer range, and improved battery life
default: The original product settings
deregister: To remove the association between a Deskset and a Cordless Handset or Cordless Headset
Glossary 283