AT&T SB67040 User Manual page 345

Synapse User's Guide
DHCP (Dynamic Host Configuration Protocol): A network protocol that automatically assigns computer IP addresses
dial pad: The 0 through 9, *, and # keys on the Deskset and Cordless Handset
direct dial: Allows callers to directly dial users' extension numbers after the Auto Attendant answers
Directory: A list of names and phone numbers
Display Names: The names that the system administrator enters to identify each extension number. The Auto Attendant uses
these names to assist callers in forwarding calls.
DID: This feature allows outside caller to directly dial an extension, bypassing the Auto Attendant and the operator
DND (Do Not Disturb): A feature that suppresses audible ringing and incoming paging at the Deskset
DND ON ( ): An indicator in the top right corner of the Deskset display that illuminates when you turn on the Do Not
Disturb feature
DNS (Domain Name System) server: A server that stores the Domain Name System records, such as address, name server, and
mail exchanger records for a domain name and responds with answers to queries against its database
DSL (Digital Subscriber Line): High-speed Internet service through your telephone line. Telephone lines with DSL service require
DSL filters to separate the telephone and data signals.
DTMF (Dual-Tone Multi-Frequency): Telephone tones commonly known as "touch-tone"
dynamic IP address: An IP address that is automatically assigned by the server
Emergency Bypass Port: The fifth SB67010 PSTN Gateway jack that can provide telephone operation during a power failure
when used with an analog phone
ESD (Electrostatic Discharge): A sudden and momentary electric current that flows between two objects at different electrical
potentials that may cause damage to electronic equipment
ESF (Extended Super Frame): A telecommunication standard for T1 framing that includes a cyclic redundancy check and a
4000 bit/s channel capacity for the data link channel
Ethernet: A type of computer networking technology that connects devices via Local Area Networks (LANs)
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