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  Product Catalog: Cisco: Cisco Interfaces and Modules: Cisco Port Adapters  
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Cisco Enhanced Digital Voice Port Adapter (Cisco)

The family of digital voice port adapters is a highly integrated solution offering a leap forward in voice-channel density and application flexibility. These single-width port adapters incorporate one or two universal ports configurable for either T1 or E1 connection with high-performance digital signal processors (DSP) that support up to 24 to120-channels of compressed voice. Integrated channel service units/digital service units (CSU/DSUs), echo cancellation, and DS0 drop and insert functionality eliminate the need for external line termination devices and multiplexers, simplifying network design and management.

The family of digital voice port adapters consists of four members supporting one or two T1 and E1 digital trunk termination. The family members offer the same industry leading feature set and performance. The cards differ only in their overall voice channel capacity. One can choose the solution that best meets the network’s scalability requirements without worrying about differences in features.

These digital port adapters are supported on the Cisco 7200 VXR Series Routers—the most advanced multiservice routers that provide high performance and sophisticated QoS features required for voice, video, and data aggregation.

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