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NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 145
Calling Party Information Transfer C-112
C-112 Calling Party Information Transfer
General Description
When a station places a call via ISDN trunk and when the call is transferred to a station accommodated in CCIS
network, this feature allows calling party number (max. 16 digits), attribute data, and calling party sub-address (max.
8 digits) from ISDN network/ISDN terminal to be transferred to the destination office.
Operating Procedure
No manual operation is required. Setup message is sent to the destination station or ISDN network connected to the
destination office automatically.
Service Conditions
1. This service is activated in the cases outlined below.
Note: Initial Address Message with Additional Information (IAI) sent in the enhanced format (16 digits). When this service
is not activated, IAI is sent in the current format (8 digits).
a.) When the called office receives the setup message from ISDN network/ISDN terminal (any
vendor), and when both the called and destination offices in the CCIS network are applicable to
this service.
Calling Party Information Transfer—Case 1
ISDN
PBX PBX
CCISI
IAI
message
(enhanced)
setup
message
ISDN
terminal
setup
message
PBX PBX
CCISI
IAI
message
(enhanced)
setup
message
ISDN
terminal
setup
message