Objectives

The objectives of the OpenSS7 Project are as follows:

Device Drivers

• Support for some popular Linux PC cards which have existing opensource drivers for WAN (V.35 synchronous) use.
• Certification of SS7 Signalling Link Interface (SLI) card drivers to ITU-T Q.781, ETSI ETS 300 008-2 and Telcordia GR-905-CORE.
• Support for a wide range of cards (both price range and capabilities).
• CompactPCI support
• M2PA and IPlink support
• MTP3b support

Signalling Link

• Implementation of SS7 L2 State Machines and primitive interface (Signalling Link) SL pushable STREAMS module.
• SS7 L2 State Machines and primitive interface (Signalling Data Terminal) SDT pushable STREAMS module.
• Certification of SS7 L2 State Machines in SL/SDT STREAMS module to ITU-T Q.781, ETSI ETS 300 008-2 and Telcordia GR-905-CORE.
• M2UA support
• Full SNMP support.
• Complete Q.752, ANSI T1.116 L2 operational support.

Message Transfer Part

• Implementation of SS7 L3 (MTP) State Machines and primitive interface (Message Transfer Part) MTP STREAMS multiplexing driver.
• Certification of SS7 L3 State Machines in STREAMS driver to ITU-T Q.782, ETSI ETS 300 008-2, and Telcordia GR-905-CORE.
• Support for multiple point code transfer function (STP).
• Support for major national variants and national options (TFR, TFC).
• Support for multiple redundant hosts.
• Support for GSM-A.
• M3UA, IPSP and TALI support.
• Full SNMP support.
• Complete Q.752, ANSI T1.116 L3 operational support.

Signalling Connection Control Part

• Implementation of SS7 L4 (SCCP) State Machines and primitive interface (Signalling Connection Control Part) SCCP STREAMS multiplexing driver linking SS7 L3 interface.
• Certification of SCCP state machines for connection-less and connection oriented subsystem operation to ITU-T Q.783, ETSI and Telcordia GR-905-CORE.
• Support for Global Title Translations and Local Number Portability.
• Support for all protocol classes (0, 1, 2 and 3).
• SUA and TALI support.
• Full SNMP support.
• Complete Q.752, ANSI T1.116 L4 operational support.

Transaction Capabilities Application Part

• Implementation of SS7 L5 (TCAP) State Machines and primitive interface (Transaction Capabilities Application Part) TCAP STREAMS driver multiplexing driver linking SS7 L4 interface.
• Implementation of TR and TC state machines (AP left to application).
• Development of an ASN.1 translator for TCAP application part specification and updates.
• Certification of TCAP state machines for all operations classes.
• Support for major national and international variants.
• Support for all operations classes (1, 2, 3, 4 and 5).
• Support for OMAP.
• Support for TUA.
• Full SNMP support.
• Complete Q.752, ANSI T1.116 L5 operational support.

Integrated Services Digital Network (ISDN) User Part

• Implementation of SS7 L5 (ISUP) State Machines and primitive interface (Integrated Services Digital Network User Part) ISUP STREAMS driver linking SS7 L4 interface.
• Certification of ISUP state machines in STREAMS driver to ITU-T Q.784, ETSI and Telcordia GR-905-CORE.
• Support for Circuit Management.
• Support for COT testing and Test calls.
• Support for major national variants and national options.
• Support for media (bearer channel) switching.
• Support for ISUA.
• Support for BICC.
• Full SNMP support.
• Complete Q.752, ANSI T1.116.7 operational support.

Applications

• Implementation of applications frameworks and a sampling of applications.
• A framework for implementation of TCAP applications.
• A sampling of TCAP applications (e.g. IS-41C MAP, AIN).
• A framework for implementation of ISUP applications.
• A sampling of ISUP applications (e.g. basic switching).
• A framework for implementation of GSM-A interface applications.
• A sampling of GSM-A applications (e.g. basic switching).