Welcome
Terminology
Using WebHelp
NMS ISDN Messaging API overview
Messaging API programming model
Initializing a Messaging API application
Call control (ACU configuration)
Data link operations (LAPD)
Messaging API data structures
Function reference
Message primitives
Overview of message primitives
LAPD primitives
ACU primitives summary
Using the ACU message reference
ACU_ALERT_IN
ACU_ALERT_RQ
ACU_CALLID_IN
ACU_CALL_PROC_IN
ACU_CALL_PROC_RQ
ACU_CLEAR_CO
ACU_CLEAR_IN
ACU_CLEAR_RQ
ACU_CLEAR_RS
ACU_CONN_CO
ACU_CONN_IN
ACU_CONN_RQ
ACU_CONN_RS
ACU_D_CHANNEL_STATUS_IN
ACU_D_CHANNEL_STATUS_RQ
ACU_DIGIT_IN
ACU_DIGIT_RQ
ACU_ERR_IN
ACU_FACILITY_IN
ACU_FACILITY_RQ
ACU_NOTIFY_IN
ACU_NOTIFY_RQ
ACU_PROGRESS_IN
ACU_PROGRESS_RQ
ACU_RESTART_IN
ACU_SERVICE_CO
ACU_SERVICE_IN
ACU_SERVICE_RQ
ACU_SETUP_ACK_IN
ACU_SETUP_REPORT_IN
ACU_TRANSFER_CO
ACU_TRANSFER_RQ
Data types and constants in primitives
isdndemo: Layer 3 call control
lapddemo: LAPD demonstration program
dectrace: Stack traffic analysis tool
itrace: Stack traffic analysis tool
Events, reasons, and errors
Parameters
Sending and receiving raw Q.931 data
Sending and receiving PCS-user information
Timers
NFAS and D channel backup
Modifying the NSF IE
Encoding and decoding the Precedence Level IE
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