Appendix A. Glossary - ADTRAN IP 712 User Manual

APPENDIX A. GLOSSARY

Active state/Active call: Refers to when the phone is in use and connected to another phone.
Busy Lamp Field: BLF indicates the status of another phone
Caller ID: Service provided by some local telephone companies that supplies the calling party's telephone
number and name.
CSV file: Comma Separated Values file. The CSV file is a plain text file specially formatted to store
spreadsheet or database information. CSV files are used as a method for transferring data between
programs. For example, to load a phone book created in Microsoft Excel into your IP phone, save the
Excel file as a CSV file and upload it to the phone through the Web GUI.
DHCP: Dynamic Host Configuration Protocol. DHCP is a protocol that assigns dynamic IP addresses to
devices on a network. Each time the IP 706/IP 712 phone connects to the network, its IP address may
change. The DHCP keeps track of the address changes.
Distinctive rings: Distinctive Rings are specific ring tones set to specified numbers, allowing the user to
recognize who is calling by the ring assigned to their number. Differing from internal/external rings,
Distinctive Rings apply only to specified numbers in the Personal Contacts list.
Duplex: Refers to the communication ability of two devices in a system. Half-Duplex means conversation
between two devices can only go one direction at a time; Full-Duplex allows for communication in two
directions simultaneously.
Firmware: The software that is embedded in a hardware device.
Function keys: The keys on the phone face that have an assigned function that does not change.
Handset: The hand-held part of the telephone that contains the audio transmitter and receiver.
Headset: A handsfree device worn on the head that contains the audio transmitter and receiver.
HFAAI: Handsfree Auto Answer Intercom. The HFAAI feature enables the phone to answer calls
automatically (without ringing) when both parties have HFAAI activated on their phones.
Idle screen: The LCD display when the phone is in an idle state.
Idle state: Refers to the state when the phone is not in use and is not connected to an active call. In this
state, the LCD displays the idle screen.
IP Address: Internet Protocol Address. IP addresses are used by devices on a computer network to
uniquely identify themselves and communicate with other devices via Internet protocol.
Key system: The Key system is the type of phone system most often used by small businesses that do not
require the larger number of phone lines supported by a PBX system. Key systems have a line key assigned
for each outside line and separate buttons for internal calling, unlike the grouping of the PBX systems.
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