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Back-to-Back User Agent - SIP Session Manager (B2BUA-SSM)

Aricent’s Back-to-Back User Agent-SIP Session Manager (B2BUA-SSM) is an Open Services Access (OSA) compliant framework that enables equipment manufacturers to accelerate the development of a spectrum of components, including SIP based telephony, multimedia and value-added services (application servers), border-control elements, multi-protocol convergence gateways, SIP to IN gateways and any other network-edge, network-access or core-network application that requires SIP based session management and call-control.

In addition, the framework offers an intensive SIP session management platform that seamlessly combines call-control and call-processing capabilities, designed over a robust, high-performance SIP signaling infrastructure. Aricent’s B2BUA-SSM provides a complete SIP “switching” infrastructure by handling SIP messaging, transactions and dialog management functions internally, with zero application intervention. Finally, it also provides core SIP session associated functionalities including management, security, media negotiation, routing, translation (NAT and NAPT), and control for ease of application development.

Key Features

  • Powerful SIP Session Management Capabilities – Complete B2BUA implementation includes SIP registrar functionality and dynamic and per-call toggling of B2BUA mode with Proxy and UAC/UAS modes, which allows for maximum flexibility and enables realization of all forms of SIP call-flows
  • Standards (OSA) Based Application Programming Interface – Comprehensive event-framework based interaction between framework and application which supports asynchronous and synchronous APIs
  • High-Value Framework – Framework includes built-in modules like Timer Manager, Network Manager and Configuration/Management modules, and has extensive “default processing” for call control and call-processing which helps reduce application code development. It also supports an event-notification based API for quick-and-easy application development. Additionally, the option of pre-integrating the B2BUA with Load-Balancer and High Availability platform is available
  • Callbacks for Delivery of CDRs – Seamless notification mechanisms allow for flexible CDR generation
  • Compliance to IETF, IMS, TISPAN Standards for SIP Based Call-Control and Session Management – IMS defined SIP registration, p-headers and authentication procedures are supported

Key Benefits

Accelerate Product and Application Development – With a robust and complete SIP “switching” infrastructure software framework, Aricent’s B2BUA-SSM helps manufacturers accelerate development of SIP based services, border-control mechanisms and multimedia applications.

Reduce Cycle Time – Using built-in and full-functional modules in Aricent’s B2BUA solution, manufacturers can reduce application development and testing cycle time by 350 person-months.

Reduce Complexity – The framework’s “simple and easy-to-use” API layer helps reduce complexity in application development.

Improve Interoperability – The framework’s built-in call-control APIs provide a higher level of abstraction and reduce the learning curve for application development. The framework is also industry compliant, with proven readiness on leading platform architectures from Intel, Texas Instruments, Infineon and Freescale, providing the flexibility for Pre-IMS and IMS deployments. With a hardware and OS agnostic design, manufacturers have the flexibility to deploy on any target platform.

Achieve Superior Performance – The framework has been tested to achieve close to 300 CPS on Linux platforms and is the best-in-class SIP session management framework for “embedded” platforms.