HRO (Headset/Recorder Option). A modular upgrade option to ROLMphone 600 series telephones. It allows a headset to be attached to the telephone.
hunt group. A group made up of telephones arranged to share the call load; each group is assigned a dummy extension number called a pilot number.
J
jack. A receptacle used to connect a cord, a plug, an earphone, or a speaker.
K
KEO (Keyboard Expansion Option). A modular upgrade option to ROLMphone 600 series telephones. It is designed to provide an additional 20 lines.
key pad. A group of keys on the telephone used for dialing telephone numbers and accessing features. These keys are labeled 0 through 9, *, and #.
L
line key. A key on your ROLMphone telephone that provides access to an extension. Each line key allows a single telephone call, and a telephone with multiple line keys allows a user to place multiple simultaneous calls. A user can talk on only one line at a time, though he or she may have another call waiting on hold on another line, for example.
M
mute. A feature key that turns the telephone microphone off and on. This feature controls the microphones in both the handset and the speakerphone.
O
outgoing call. Any call directed outside of your company’s telephone system.
