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DSI SS7MD Programmer’s Manual Issue 3
Parameters
The MTP_MSG_RX_IND message includes the following parameter:
•
Signaling Unit Data
The SU data in binary format, excluding the Flags and Checksum.
•
UUI
User to User Information – parameter generated when operating in ATM monitoring mode only.
•
CPI
Common Part Indicator – parameter generated when operating in ATM monitoring mode only.
6.4.3
API_MSG_RX_INDT – Timestamped Incoming Signaling Unit Indication
Synopsis
Message generated by MTP2/ATM when operating in monitoring mode conveying the Signaling Unit and its
time of reception on the board.
Format
Description
This message is used to convey the Signaling Units and a timestamp of when the Signaling Unit was read
from the network.
Parameters
The API_MSG_RX_INDT message includes the following parameters:
•
Signaling Unit Data
The Signaling Unit data in binary format, excluding the Flags and Checksum.
•
UUI
User to User Information – parameter generated when operating in ATM monitoring mode only.
•
CPI
Common Part Indicator – parameter generated when operating in ATM monitoring mode only.
•
seconds
The number of whole seconds elapsed since Epoch (00:00:00 UTC, January 1, 1900).
MESSAGE HEADER
FIELD NAME
MEANING
type API_MSG_RX_INDT
(0x8f0f)
id l3_link_id/upper
id
src
MTP2 module ID/ATM module ID
dst
User module ID
rsp_req 0
hclass 0
status 0
err_info 0
next 0
len
Number of octets in the Signaling Unit + 8. For AAL5 Monitoring, equals
number of octets in the Signaling Unit + 10.
PARAMETER AREA
OFFSET
SIZE
NAME
0
len - 8/len - 10
Signaling Unit (SU) data in binary format.
len - 10
0/1
UUI - User to User Indication - ATM parameter only
len - 9
0/1
CPI - Common Part Indicator - ATM parameter only
len - 8
4
seconds
len - 4
4
seconds_fraction
