EVENT BASED CCIS - ISDN TRANSPORT
9. The following features are available only when the signal-channel link of the E-CCIS line is established:
•
Centralized Billing-CCIS [C-55]
•
Centralized System Management Report – CCIS [C-57]
10. When a RELEASE COMPLETE message (Cause number 34 [No circuit/channel available] /44
[Requested circuit/channel not available]) or DISCONNECT message is received from an ISDN network,
route advance is executed according to the parameter RA (Order of Route Advancing) of AOPR command.
Route advance is available when a calling party is under the following status.
•
Station without a held station/trunk
•
Station with a held station
•
Station with a held trunk
•
Tandem Connection
•
Attendant Console without a held station/trunk
•
Attendant Console with a held station
•
Attendant Console with a held trunk
However, route advance is not available in the following cases:
•
Call origination from an ISDN terminal
•
Tandem connection from an MFC trunk
•
Data communication
When route advance is executed, the following services are not available:
•
OFF-HOOK QUEUING [O-7]
•
OUTGOING TRUNK QUEUING [O-2]
•
INTER-OFFICE OFF – HOOK QUEUING [I-11]
•
OUTGOING TRUNK BUSY ANNOUNCEMENT [O-21]
•
ROUTE RESTRICTION – ANNOUNCEMENT [R-27]
•
Dialing AUTHORIZATION CODE [A-21] from an ISDN trunk
4. Programming
STEP 1: Assign the Basic Data for ISDN. (Refer to
CHAPTER 6
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3.)
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