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NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 75
LCR - Automatic Overflow to DDD - PRI L-34
L-34 LCR - Automatic Overflow to DDD - PRI
General Description
This feature provides optional routing of ISDN network calls via off-network facilities from a point on the network
where all on-network routes are busy or none are provided.
Operating Procedure
No manual operation is required.
Service Conditions
1. Off-net facilities available include Wide Area Telephone Service (WATS) [W-1], Foreign Exchange (FX)
and/or Central Office trunk groups.
2. Off-network routes are listed in the LEAST COST ROUTING - 3/6-DIGIT - PRI [L-31] tables (Outgoing
Routing Patterns, OPR).
3. The NEAX2400 IPX converts the on-network destination code to either a Listed Directory Number (LDN)
for Attendant assistance calls, or to a DIRECT INWARD DIALING (DID) number (where appropriate)
for station calls.
4. If no on-network routes are provided to a given destination, up to eight off-network routes may be
assigned.