AT&T SB67010 PSTN Installation Manual page 163

Synapse Installation Guide
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).
Extension Directory: A private list of names and phone numbers available to only a
single extension (referred to as "Personal list" on the Deskset).
Extension list: A list of names and extension numbers for the Synapse system
telephones.
extension number: The three-digit or four-digit number representing each individual
Deskset.
factory default: The original product settings.
FDL (Facility Data Link): A 4-kbps channel provided by the Extended Super Frame (ESF)
T1 framing format that allows a service provider to check error statistics on customer
premises equipment without interfering with the customer premises.
flash memory: Reprogrammable system storage used for storing software upgrades.
FWD ON (
appears when the Call Forward feature has been turned on. This feature causes calls to
that extension number to be automatically forwarded to another extension, outside
phone number, or to Voicemail.
FXO (Foreign Exchange Office): The Gateway telephone signaling interface between the
PSTN telephone lines and the LAN.
FXS station port: A jack on the ATA for connecting non-Synapse analog telephone
equipment to the Synapse system.
G.711: A digital fax protocol.
Gateway: A network device equipped for interfacing with another network that uses
different protocols.
greeting, preset: The voice message that plays to callers if the user has not recorded an
outgoing message.
Glossary
): An indicator in the top right corner of the Deskset display that
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