NEC NEAX2400 ICS, Руководство по программированию

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NEAX2400 IPX Feature Programming Manual
Page 566
NDA-24297, Issue 1
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.
4. An OVERFLOW group cannot be registered into a queue.
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