Mike's PBX Cookbook

SX-2000 - Multiline Sets

In programming the SUPERSET 3, SUPERSET 3DN, SUPERSET 4, SUPERSET 410, SUPESET 420, SUPERSET 430 or SUPERSET 4DN Line Select keys, two implicit functions are the creation of key system and multicall groups. These features are programmed through the Multiline Set Key Assignment form. The following definitions apply to the types of lines which may be associated with the Multiline Set’s line select keys.

Single Line
A single line is dedicated to one SUPERSET telephone. If a directory number appears only on one set’s line key, it is a single line. A single line may also be declared in the Multiline Set Assignment form if the line happens to be a prime directory number.

Key System
A key system group is a group of SUPERSET multiline telephones. One industry standard (2500/500) or SUPERSET 401 set may be added to form a mixed multiline group which shares a specific line appearance. When a call is directed to the number associated with the Key System Group, all sets in the group will receive the indication. Once a set answers the call, all other sets in the group will see the corresponding line as busy. If a key system line’s number is also the prime directory number of a SUPERSET telephone, this set must be indicated as being ‘Key System’ in the Line Type entry of the Multiline Set Assignment form.

A fictitious Directory Number may be used to create a key system group. This means you may set up a directory number which is associated with a key system group rather than a system device. Associate a previously unassigned directory number to the SUPERSET line select keys through the key assignment form.

Multicall
A Multicall group is a group of SUPERSET telephones. One 2500/500 set or SUPERSET 401 set may be added to form a mixed multiline group which shares a specific line appearance. When a call is directed to the number associated with the Multicall group all idle sets in the group will receive the indication. Once a set answers the call, all other idle sets in the group will still have access to the line either to answer or originate calls. If another call is directed to the multicall number, the above description applies. If a multicall line number is also the prime directory number of a SUPERSET telephone, this set must be indicated as being ‘Multicall’ in the Line Type entry of the Multiline Set Assignment form. As with key system numbers, a fictitious number may be assigned to Multicall groups.

Note:

  1. In cases where a single 2500/500 set or SUPERSET 401 is added to either a Key System Group or a Multicall Group, the following restrictions apply:
  2. The SUPERSET 401 or 2500/500 set must be the prime directory number of the group.
  3. The group number cannot appear on the first key of any SUPERSET multiline telephone.
  4. The single line set cannot be designated as Night Bell.
  5. Call rerouting cannot be set up for the single line set itself, but only for the group.
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