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CHAPTER 5 ND-71762 (E)
Page 52
Issue 2
INSTALLATION TEST PROCEDURE
2.1.2 Overall Test of CCIS Tie Line Incoming Call
START
Seizure of trunk to be tested Place the trunk to be tested into idle state, and make busy all
other trunks.
Termination of incoming call
to station A’ in the self office
An incoming call from the distant office terminates to Station
A’.
Check of speech After the call has been answered at Station A’, check the
speech conditions including speech level, presence of noise
and one-way speech state.
Release
When all CCIS Tie Line
Trunks have been checked and
a fault has been detected
Perform fault localization procedure when a fault has occurred
to CCIS Tie Line. (See Procedure A of Paragraph 2.1.1)
If the distant office is faulty, make a request to the distant
office for repair.
LC LC
(PBX to be tested)
OFFICE A
STATION A’
OFFICE B
STATION B’
PBX
PBX
END