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NEAX2400 IPX Feature Programming Manual
NDA-24297, Issue 1
Page 1019
Station-to-Station Calling - CCIS S-57
S-57 Station-to-Station Calling - CCIS
General Description
This feature allows any user to dial another station directly, through CCIS, without operator assistance.
Operating Procedure
1. Lift the handset; receive dial tone.
2. Dial the desired telephone number.
Service Conditions
1. The maximum number of digits per telephone number is eight.
2. Either Calling-Party Release or First-Party Release can be selected on a system basis.
3. Inter-node STATION-TO-STATION CALLING - CCIS is based on the Route Restriction Class of the
calling and called parties.
Interactions
1. The ATNR command is required for STATION-TO-STATION CALLING - CCIS.
2. The normal 5 dB PAD loss inserted for STATION-TO-STATION CALLING - CCIS may be eliminated
on a per-station basis. For these stations, assign a Service Feature Class that allows SFI 50. Remove 5 dB
pad for Off-Premises Extensions, OPX.
Programming
STEP 1: ASYD - System Data 1, Index 4, Bits 2 & 3. Assign data “10” for First-Party Release.
STEP 2: ATNR - Assign for Tenant Restriction Index (TRI) 1. This index allows for station-to-station calling
between stations with the same tenant, and between different tenants.