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NOTE: This product is no longer being sold and might not be supported.

View the End-of-Life Notice to learn: 

  • End-of-sale and end-of-life dates
  • What replacement products are available
  • Information about product support

The Cisco Carrier Sensitive Route (CSR) Server is a software application that provides advanced, rules-based routing logic within a Cisco H.323 VoIP network. Targeted at the highly competitive wholesale voice marketplace, the Cisco CSR Server allows service providers to optimize the routing decisions within their network to fit their business needs.

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