6 Message Reference

Bit 13 is set to 1 to cause the board to drive the CT_NETREF1 clocks on the CT bus. The highest priority in-sync line interface is used as a clock source. If this bit is set to zero then CT_NETREF1 clock is not driven.

All other bits are reserved and must be set to zero.

l2_flags - level 2 flags

Bit 1 is set to 1 for ANSI operation or zero for ITU-T operation. Bit 3 is set to 1 for ANSI operation or zero for ITU-T operation.

Bit 5 is set to 1 to cause Link Status Signal Units (LSSU) to have a two octet status field. Usually this bit is set to zero, and LSSUs have a single octet status field.

All other bits are reserved for future use and must be set to zero.

max_sif_len - maximum Signaling Information Field length

The maximum Signaling Information Field length in octets that is permitted over the signaling link. Usually set to 272 although it may be set to 62 for inter-working with switches that do not support 272 octet messages.

l3_flags - level 3 flags

Bit 0 is set to 1 to disable the level 3 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 values do not match the configured ssf value are discarded.

Bit 8 is set to 1 to select ANSI operation or zero for ITU-T operation.

Bit 9 is set to 1 to select ANSI style 24 bit point codes in the MTP routing label or zero to select ITU-T style 14 bit point codes. This bit must be set to 1 if ANSI operation is selected.

Bit 10 is set to 1 for ANSI operation or zero for ITU-T operation. Bit 11 is set to 1 for ANSI operation or zero for ITU-T operation. All other bits are reserved for future use and must be set to zero.

Note: For ANSI operation bits 8, 9, 10, and 11 must all be set to 1.

pc - point code

The pure binary representation of this signaling point code. Must be in the range 0 to 16383 for 14 bit point code operation, or 0 to 16777215 for 24 bit point code operation.

ssf - sub-service field

The value used in the sub-service field of all messages generated by level 3. Must be in the range 0 to 15. For ANSI operation, the 2 least significant bits must be set to 1.

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Dialogic DSI SPCI Network Interface Boards manual Message Reference

DSI SPCI Network Interface Boards specifications

Dialogic DSI SPCI Network Interface Boards are highly advanced and versatile communication solutions tailored for the demands of modern telephony and multimedia applications. These boards are designed to efficiently process voice, data, and signaling, making them an essential component for businesses looking to enhance their communication capabilities.

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In summary, Dialogic DSI SPCI Network Interface Boards are a cornerstone for organizations looking to innovate their telecommunication systems. With their support for multiple protocols, advanced DSP technology, scalability, reliability, and development support, these boards empower businesses to optimize their communication strategies and adapt to the evolving landscape of digital interaction.