Dialogic® DSI SPCI Network Interface Boards Programmer's Manual Issue 5

7.2MTP Parameters

7.2.1MTP Global Configuration

Syntax:

MTP_CONFIG <reserved1> <reserved2> <options>

Example:

MTP_CONFIG 0 0 0x00040f00

The global configuration parameters for the Message Transfer Part (MTP).

<reserved1>, <reserved2>

These parameters are reserved for backwards compatibility. For applications conforming to this release of the documentation these parameters must always be set to zero.

<options>

A 32 bit value containing run-time options for the operation of the MTP as follows:

Bit 0 is set to 1 to disable the MTP3 message discrimination function (allowing the signaling point to receive all messages irrespective of the destination point code contained in the message) or zero to allow the discrimination function to function normally.

Bit 1 is set to 1 to disable sub-service field (SSF) discrimination. If this bit is set to zero, received MSUs whose ssf value does not match the configured ssf value for that link set are discarded.

Bit 2 is set to 1 to cause MTP3 to generate a UPU (User Part Unavailable) message to the network on receipt of a message containing a Service Indicator value that has not been configured. If set to zero the message is discarded without sending UPU.

Bit 8 is set to 1 to select ANSI operation; otherwise it must be set to zero.

Bits 9 and 20 are used to select the point codes used in the MTP routing lable as defined below:

Bit 9

Bit 20

Point Code

Description

0

0

14-bit

ITU

 

 

 

 

0

1

16-bit

Japan

 

 

 

 

1

x(1)

24-bit

ANSI

(1)x indicates don’t care.

Bit 10 is set to 1 for ANSI operation; otherwise it is set to zero. Bit 11 is set to 1 for ANSI operation; otherwise it is set to zero.

Bit 18 is used to control MTP functionality in the event of detection of RPO (Remote Processor Outage). If set to 1, RPO is handled in accordance with the ITU-T 1992 (and later) recommendations. If set to zero, on detection of RPO the signaling link is taken out of service and restoration commenced. This bit is usually set to 1.

Bit 20 used in conjunction with bit 9 to select point codes (see above).

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Dialogic DSI SPCI Network Interface Boards manual MTP Parameters, MTP Global Configuration, Reserved1, reserved2, Options

DSI SPCI Network Interface Boards specifications

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