User guide
GLOSSARY 293
Firmware
Firmware is a combination of software and hardware. Microchips that have data or programs
recorded on them are called firmware.
Flash or Recall button
A button on your telephone. Pressing the Flash or Recall button has the same effect as pressing
the Link button or pressing and releasing the hang-up hook on a telephone. All of these actions
send a signal to TalkSwitch to put calls on/off hold.
Hunt
Hunt (Rollover) is a phone company feature that allows calls to be forwarded to another line if
the first line is busy. Most businesses with two or more lines subscribe to the rollover service so
that only one phone number needs to be published for customers. You should configure all
TalkSwitch lines that are part of the rollover group to answer in the same fashion.
Icon
A small picture representing a program, an action or a feature in the TalkSwitch management
software. When you click on an icon, the program, action or feature is activated.
IETF
Internet Engineering Task Force. Develops and promotes Internet standards like TCP/IP and
SIP protocols.
Intercom
A dedicated voice service within a specified user environment. TalkSwitch offers intercom
capabilities between its local extensions.
Interface
Connects two separate entities. A user interface is the part of a program that you see on your
computer screen and that connects you to the computer.
IP address
Internet Protocol. The standard protocol used by devices to communicate over a computer
network. The IP address is a unique number or name that identifies the device.
IP extension
An extension that has its own IP address utilizing the Internet protocol in connection with VoIP.
IP phone
See IP extension.
ISDN
Integrated Services Digital Network.
ISP
Internet Service Provider. Facilitates access to the Internet for end-users. Most ISPs are
telephone companies. Their services include domain name registration, web hosting, leased line
access, etc.
Keypad
The push buttons on a telephone.
Keypad commands
Combinations of digits used to configure TalkSwitch from a touchtone telephone.