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DIRECT GROUP CALLING (DGC)
Description
AllOwS incoming calls to be directed to a specific group of terminals. Up to 32 DGC groups,
each including up to 10 members, may be set up.
A terminal can be in only one DGC group.
Incoming calls on any trunk can be directed to a DGC group. These trunks can also be used
for outgoing calls.
This feature is referred to as “Incoming Calls Group” in the
User Guides
for System 25 voice terminals.
DGC groups can be administered as Call Coverage groups in R1V2 systems. Refer to the
“Call Coverage–Group” feature description for details.
Calls to a DGC group hunt in a circular manner, starting at the terminal following the last
one to receive ringing (whether answered or not), and will ring at the next idle terminal in
the group.
On multiline voice terminals the calls arrive on a SYSTEM ACCESS button
(LOOP button on a Switched Loop Attendant Console; V2 only).
If all group members are busy (off-hook), an outside call is queued and the caller receives
ringback tone.
If the system includes a delay announcement, it is played after a specified
number of rings. The caller is subsequently put on hold (in queue) and will receive Music-
On-Hold if available. If the system is not equipped with a delay announcement, the call will
begin to ring at all line appearances after the specified interval.
An inside caller dials a DGC access code to reach a DGC group. If all members of the group
are busy, the call will not go into a queue and the caller will receive Busy Tone.
Once the call begins to ring at a group member’s station, it will not receive announcement
service or ring at a line appearance.
For this reason, it is important that DGC members log
out (as described below) when they will be away from their desks.
For R1V2 systems, the attendant can camp-on multiple outside (trunk) calls when all
members of the group are busy.
Group members do not receive camp-on indication. The
camped-on calls will be queued, and are eligible for the DGC delay announcement. If no
delay announcement is available, the calls will return to the attendant console after a
specified number of rings.
For R1V1 systems, the attendant can camp-on only one outside (trunk) call when all
members of the group are busy (assuming Attendant Camp-On is activated). Group
members do not receive camp-on indication.
DGC group members may withdraw from the group by going off-hook and dialing *4. To
reenter the group, the member goes off-hook and dials *6.
An off-hook multiline terminal or attendant console (even if busy on only one SYSTEM
ACCESS or LOOP button) appears busy to DGC calls. However, terminals other than the
SLAC (V2) may receive other (non-DGC) calls while active on a DGC call.
Direct Group Calling groups may be used for data applications to access host ports and the
STARLAN Interface CP (V2). The System Administrator may disable queuing for data DGC
groups, if desired (V2). Delay announcements and music-on-hold are not provided for data
groups.
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