NEC NDA-24311 - page 120

NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1 Page 105
Overflow - UCD - PRI O-32
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.
5. A NEAX2400 IPX system can be provided with one overflow group.