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Cisco IOS Gateways with Session Initiation Protocol (SIP)

A Single Platform for Voice Networking

The Cisco IOS Gateway with Session Initiation Protocol (SIP) delivers industry-leading technology with SIP IETF standards to provide a complete, single platform for integration with branch, enterprise, and service provider networks. The gateways can be deployed to help you meet voice networking needs today and take advantage of emerging applications in the future.

Cisco IOS gateways use SIP to provide media termination and signal translation between the public switched telephone network (PSTN) and IP networks. As a result, they provide broader interoperability, increased investment protection, and such features as:

  • QoS and call admission control--including Differentiated Services Code Point (DSCP) packet marking, IP Precedence, Low Latency Queuing (LLQ), Class-Based Weighted Fair Queuing (CBWFQ), Service Assurance Agent, Response Time Reporter, Resource Availability Checks, and Resource Reservation Protocol (RSVP).
  • Survivability and resiliency--failover capabilities support PSTN telephony interfaces on branch office routers in the event of a connection failure to the primary SIP proxy or back-to-back user agent.
  • Multiprotocol support--MGCP and H.323 protocols provide flexibility in network design and simplify protocol migrations.
  • Simplified configuration and management--configuration using the familiar Cisco command-line interface and a variety of management tools, including CiscoWorks products, help simplify configuration and management.

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