Line Hunt Groups - Talkswitch DESKTOP PHONE SYSTEM User Manual

In the "Calibration " section:
After you have configured the lines, it is recommended that you calibrate the
lines. Completing this procedure optimizes your telephone line volume levels for
the Call Bridge and Call Forwarding (with Remote Extensions) features.
Note: Only lines that are detected can be calibrated.

2.3.1.2 Line Hunt Groups

There are a total of 9 Line Hunt Groups for controlling outgoing call line selections.
These Line Hunt Groups are used by the Local Extensions, Remote Extensions and
when using the Call Bridge feature. Each Hunt Group can support several line
choices and will attempt to grab an available line in the order that they are listed
(Lines to hunt) for that Hunt group.
The default setup:
Hunt Group 9:
Hunt Group 81:
Hunt Group 82:
Hunt Group 83:
Hunt Group 84:
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selects any available line
selects Line 1
selects Line 2
selects Line 3 (for the TalkSwitch 48 LS only)
selects Line 4 (for the TalkSwitch 48 LS only)