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 SIP Proxy Server is now end-of-sale. For the latest service provider solutions, please visit If you're looking for support and documentation, please use the links at the right to get to the support materials.

Contact Cisco