SR3 Routing Proxy

GENBAND Difference

The GENBAND SR3™ Routing Proxy is a centralized call routing and policy engine that was developed to meet the needs of the network evolution while extending the usable life of existing VoIP and softswitch network systems. The SR3 communicates with and leverages the operation of existing systems involved in call routing through standards-based interfaces. The network operation is simplified through the centralization of key routing control and thus resulting in the savings in both operating expenses and capital expenses.

Today’s next generation VoIP Networks require routing changes that are more frequent and more granular. The SR3 Routing Proxy solution from GENBAND solves significant challenges that service providers face:

• The need to increase top-line revenue through increased call volumes
• Margin pressures that force ever more complex routing rules, routing depth and routing policy
• A larger and more complex set of partner interconnects that demands route scale, flexibility and ease of configuration
• Increasing profitability with existing network infrastructure, billing and operational support systems, as well as personnel

Benefits

• Eliminates the guesswork in maintaining target profitability
• Powerful, easy-to-use business rules with drag-and-drop interface
• Significant capital expense savings and reduction of SBC/softswitch ports utilized by up to 50 percent
• Operating expense savings through reduced provisioning complexity
• Increased margins and profitability through dynamic LCR, profit-based routing, jurisdictional, percentage-based routing plans and customer-specific rate plans based on traffic type
• Natural scalability when each site requires more than a single SBC or softswitch cluster
• Support for 10 million dial codes and 50 million rates, with rapid upload of rate plans and routing changes
• Performance of up to 250 calls per second per server and N+1 clustering support for growth to very large solutions

Overview

The SR3 Routing Proxy is a high-capacity session routing engine that maximizes cost savings and revenue generation. With a powerful, easy-to-use business rules interface, the SR3 allows service providers to set call routing profit targets with point-and-click ease.

PROFIT MAXIMIZATION The SR3 eliminates the guesswork in maintaining route profitability. Based on rule sets defined by the service provider, calls are automatically routed along the path that yields the best combination of cost savings and call quality. This powerful session routing engine returns real fiscal gains for service providers and improves cost control and profits in key ways:

• Increases the cost-efficiency of every call at every routing junction by negotiating the best possible rate dynamically, in real time
• Reduces human resource requirements for network profitability monitoring and routing adjustments
• Reduces vendor management overhead by supplying reporting tools to select the most reliable, cost-effective network providers and call paths

The SR3 also extends the useful life of existing VoIP network equipment by communicating with and directing the operation of other network elements involved in call routing (e.g. softswitches, SBCs). As a result, there is no need to upgrade existing hardware investments to gain more efficiency.

ADVANCED ROUTING FEATURE SET: The SR3 centralizes routing, enabling a multivendor architecture using the SIP RFC-compliant 300 redirect method. A wide variety of routing options are offered, including dynamic LCR, profit-based routing, jurisdictional, percentage-based routing plans and customer-specific rate plans based on traffic type. Visual LCR tables are provided with an easy-to-use drag-and-drop interface.

CARRIER-CLASS SCALE, PERFORMANCE AND RELIABILTY: GENBAND’s SR3 is a carrier-grade, high-availability, redundant NEBS certified configuration. The SR3 supports 10 million dial codes along with 50 million rates and can be rapidly uploaded to support 10 million routes, which can be updated and changed to propagate to the call server, typically in less than 10 minutes. Each SR3 server supports up to 250 SIP Invite/Redirect transactions per second (TPS). Adding more servers results in increased performance in 250 TPS increments per additional server. Call servers load balance across a cluster of SR3 servers through DNS.

Purpose-built for route redirect management, the SR3 is designed for speed. The SR3 finds the optimal profit path for a call at unparalleled speed by separating the routing task and removing it from the stateful call path, enabling every network element involved with routing to operate faster.

MANAGEMENT: The software used in the SR3 does not rely on any particular network hardware or software configuration to achieve results, so capabilities can be added to almost any network management infrastructure system without compatibility concerns. A feature-rich, flexible API is provided for automated provisioning or other custom interface development. Users can apply thresholds to any route module in order to create profit on the calls and manage millions of routes for multiple suppliers on an inter-/intra-jurisdiction basis. This enables service providers to split the inbound traffic for each customer and set different margins for each destination, or grouping of destinations, as well as minimum acceptable profit.

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