2.1.3. SS7 Protocol Stack

The protocol stack is the software that implements the various layers of the SS7 protocol. A suite of SS7 protocols is available and includes:

• Message Transfer Part (MTP)
• ISDN User Part (ISUP)
• Telephony User Part (TUP)
• SCCP
• TCAP

MTP is supplied with all SIUs. MTP is avaliable as an option for the Intel® NetStructure™ SS7 boards. Multiple country and switch variants are also available.

Note: MTP and ISUP or TUP run on the SIU.

Each of the user parts can run on the host. See the DataKinetics documentation for detailed information. Global Call SS7 currently supports the ISUP and TUP layers. However, non-call-control related user parts could be accessed using the direct DataKinetics API.

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