Filter
Top Products
NDA-24305 CHAPTER 5
Page 127
Revision 1.0
OVERFLOW-UCD-PRI
O-32 OVERFLOW-UCD-PRI
1. General Description
1. When a call from an ISDN trunk has terminated to UCD [U-1] Group A and this 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 destination.
2. If all stations in Group B to which the call has been transferred by the OVERFLOW-UCD service are busy,
the call is registered in the queue in UCD [U-1] Group A.
2. Operating Procedure
No manual operation is required.
UCD
GROUP A
ALL BUSY
UCD
GROUP B
OVERFLOW
CALL
TERMINATION
UCD
GROUP A
ALL BUSY
UCD
GROUP B
OVERFLOW
CALL
TERMINATION
ALL BUSY
CALL REGISTERED
IN GROUP A