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NDA-24305 CHAPTER 5
Page 35
Revision 1.0
AUTOMATIC CIRCUIT ASSURANCE-PRI
A-94 AUTOMATIC CIRCUIT ASSURANCE-PRI
1. General Description
When a call connection time is less than or greater than a pre-determined time period, the system can display or
print a reference to it using this feature.
Note 1:
This feature cannot be activated without Station Message Detail Recording System-RS232C[S-10].
Note 2:
This feature is not activated for Station-to-Station or Station-to-Attendant calls under the following
conditions:
• When the station performs a switchhook flash.
• When the station presses the D
term
line/feature key (“HOLD”, “SHF”, or “TRF”).
• When the Attendant presses “HOLD” key.
• When the call is overridden by another call.
• When the station answers Call Waiting or Attendant Camp-On call.
2. Operating Procedure
No manual operation is required.
3. Programming
STEP 1: Assign the Basic Data for ISDN (Refer to Chapter 3, “Basic Data Assignment for ISDN”).
STEP 2: Assign SMDR data.
STEP 3: ASYD - System Data 1, Index 44 : bit 0=1 (Automatic Circuit Assurance is in service)
Index 45 : Short Duration Timer
Index 46 : Long Duration Timer