NEAX2400 ICS Business Features and Specifications
Page 392
NDA-24143, Issue 4
O-13 Overflow - UCD
O-13 Overflow - UCD
General Description
1. When a call has terminated to UCD [U-1] Group A, and the incoming call has encountered all
stations busy in Group A, the call is transferred to UCD [U-1] Group B, if Group B is registered
as the OVERFLOW-UCD destination.
2. If all stations are busy in Group B, then the call is placed in queue for the originally called UCD
[U-1] group (Group A).
Operating Procedure
No manual operation is required.
Service Conditions
1. An OVERFLOW group must be a UCD [U-1] Group.
2. One OVERFLOW group can be provided for one UCD [U-1] Group.
3. OVERFLOW is performed only once.
Call Termination
UCD
Group A
All Busy
Overflow
UCD
Group B
Call Termination
Overflow
UCD
Group A
All Busy
Group B
All Busy
Call registered in
Group A
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