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SIP Server Framework is a powerful framework to build carrier-class reliable, scalable and feature-rich SIP applications. The FSS SSF comprises two components:
SIP Server Framework serves as a base for Proxy as well as any other SIP-based server entity. SSF therefore, radically reduces time-to-market by providing a hassle-free infrastructure that:
The SIP-SF is a powerful yet flexible solution. It provides tested and standards compliant core SIP functionalities like Call State Control Function (CSCF), Proxy, Registrar, Redirect, B2BUA, and Location Server. More importantly the framework allows application developers to build upon these core functionalities and deliver niche applications. The framework isolates the application developer from all SIP specific protocol and behavioral details. The application developer can focus on what services to provide and the framework can take care of how. FSS' carrier class, proven, interoperable solution thus helps the customers in reducing time and development costs. The FSS solution, one of the most proven and mature products in the industry, handles live traffic for the largest Service Providers' network and for one of the largest Internet Telephony Service Provider (ITSP) Network in Japan.
FSS (formerly HSS)has also introduced Centrex functionalities in its SIP-SF. The Centrex feature enables Equipment Manufacturers to build a hosted PBX solution in minimal time. The FSS SIP Server Framework with Centrex functionality is a powerful framework with a sophisticated dial plan, a hunt group, privileged profiling and intranet/extranet calling.
FSS' award winning SIP Server Framework (SIP-SF) ("Internet Telephony" Product of the Year 2002 and "Communications Solutions" Product of the Year 2003) is an ideal platform for hosting SIP services. SIP-SF is a ready-to-deploy SIP Proxy, Registrar, Redirect, Presence and Location Server. FSS’ SIP-SF today provides several advanced features, including SIP Centrex (Hosted PBX) and Per-User Call Processing Language, all of which render tremendous value in using it as an underlying platform to build new services while significantly reducing time, risk, and cost to market. The SIP-SF is a ready-to-deploy platform with Virtual IP redundancy, SIP Load Balancing, SNMP Manageability, Congestion Control, Emergency Calling, and other real-life network requirements already addressed.
Targeted at OEMs, SIP-SF has been developed keeping in mind the flexibility and extensibility that OEMs so much need to be able to offer differentiated products to the market.
FSS' SIP server is a dual play architecture, positioned as both Core Infrastructure and Application Development Framework.
SIP-SF Core Infrastructure Element
OSA Application Server
FSS’ SIP Server can be positioned both as the SIP core infrastructure element to build basic infrastructure needed in a SIP Network or using its B2BUA feature set, as well as an application infrastructure to build applications, such as Collaboration, CTI, and Gaming. The SIP-SF thus enables one to easily integrate multiple call models, be it BCSM-based or RFC 3261, and to use any one of them depending on the kind of service being executed. Further, the SIP-SF can be made to interact with an SCN using a regular BCSM-based model and at the same time, perform forking functionality of proxy using the regular 3261 UAC/UAS model.
The key architectural features of the SIP Server Framework are:
Key Standards Compliance
SIP Application Server Features
The SIP Application Server (B2BUA) provides a scalable, reliable, andfeature-rich environment for rapid service creation. FSS' B2BUA Serveris a framework that exposes a set of well-defined APIs to theapplication to develop various services, such as Prepaid, NatTraversal, Call Queuing, Click-to-Dial, and Call Pick-Up. These APIs aswell as their parameters are Open Service Architecture (OSA)-compliant.In addition, FSS' B2BUA Framework also supports additional APIs tocreate innovative applications.
Key Standards Compliance
SIP Protocol Compliance
Open Service Access (OSA) Compliance
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