Dialogic DSI SPCI Network Interface Boards Spezifikationen PDF herunterladen (Seite 98)

4 Message Reference

4.4.3 API_MSG_TX_REQ - MTP2 Transmission Request

Synopsis

Message issued to the board by MTP3, containing an SS7 Message Signal Unit (MSU)

for transmission on the specified link.

Format

MESSAGE HEADER

Field Name

Meaning

type

API_MSG_TX_REQ (0xcf00)

l2_llid

src

Sending module ID

dst

MTP2 module ID

rsp_req

Sending layers bit set if response is required.

hclass

status

err_info

len

Number of octets in the Signaling Unit.

PARAMETER AREA

Offset

Size

Name

len

Signaling Unit (SU) data in binary format commencing with the SIO.

Description

Message issued to the board by MTP3 containing an MSU for transmission on the

specified link.

Parameters

The API_MSG_TX_REQ message includes the following parameters:

Signaling Unit Data

The Signaling Unit data in binary format, excluding the Flags and Checksum,

commencing with the SIO.

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Dialogic DSI SPCI Network Interface Boards Spezifikationen Seite 98