Panasonic KX-TD500 System Reference Manual page 231

2.05 Uniform Call Distribution (UCD)-
General
Description
Calls to a UCD group are distributed uniformly
among the group members so that each member
can share the same load.
This UCD feature is particularly helpful when
certain extension receives a high volume of calls
compared with other extensions.
(Example)
DIL 1:1 Switching system
CO 1
CO 2
CO 3
Calls from CO 1 always arrive at Extension A.
Calls from CO 2 always arrive at Extension B.
Calls from CO 3 always arrive at Extension C.
UCD Switching system
CO 1
CO 2
CO 3
Calls to a UCD group hunt for an idle station in a
circular way, starting at the extension following
the last one called.
Call completion time is minimized without
attendant assistance.
The UCD group is comprised of one or more
pickup groups .
An extension can be in only one UCD group.
Extension A
Extension B
Extension C
Extension A
UCD
Extension B
Group
Extension C
3-D-13
UP to 32 UCD groups can be set up in the
system and they can be categorized into the
following two types.
1. UCD group with OGM (01-04)
2. UCD group without OGM (05-32)
Detailed information is described in the Section
3-D-2.06.
UCD Log-in/Log-out
When an extension is assigned to a UCD group,
the extension is in UCD log-out mode as a
default. The extension user can receive a call
arrived to the UCD group after setting UCD log-in
mode. The extension user can leave the group
temporarily by setting the UCD log-out mode.
Refer to Secttion 4-D-8.00, 5-B-6.00 "Uniform
Call Distribution (UCD)-Log Out".
–Section 3-2.06-1
–Section 3-2.06-2