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Home Networking Networking Accessories Cisco SPA-DSP Digital Signal Processor SPA - 128 Voice Channels, Hot Swappable, Voice Quality Monitoring

Cisco SPA-DSP Digital Signal Processor SPA - 128 Voice Channels, Hot Swappable, Voice Quality Monitoring

Cisco SPA-DSP Digital Signal Processor SPA - 128 Voice Channels, Hot Swappable, Voice Quality Monitoring

Brand:

Cisco

Specifications

Product Description

The Cisco SPA-DSP Digital Signal Processor SPA is a high-performance voice processing module designed for Cisco SPA-based platforms. Supporting up to 128 concurrent voice channels, this DSP SPA delivers carrier-grade voice processing with advanced Voice Quality Monitoring (VQM) to ensure consistent call clarity and performance.
Built for service provider and enterprise VoIP environments, the SPA-DSP enables efficient handling of voice compression, echo cancellation, transcoding, and real-time monitoring. Its hot-swappable design allows seamless maintenance or upgrades without service interruption, making it ideal for mission-critical voice infrastructures.
Engineered for scalability and reliability, the Cisco SPA-DSP is a cost-effective solution for expanding voice capacity while maintaining superior call quality across IP telephony and unified communications networks.

Key Features

Supports up to 128 concurrent voice channels
Advanced Voice Quality Monitoring (VQM
High-performance DSP for VoIP and unified communications
Hot-swappable for zero-downtime maintenance
Optimized for Cisco SPA-based routers and gateways
Carrier-grade voice processing and reliability
Enhances call clarity, stability, and performance
Ideal for service provider and enterprise deployments

Technical Specifications

Product Model: SPA-DSP
Product Type: Digital Signal Processor SPA
Maximum Voice Channels: Up to 128
Voice Functions: Voice compression, echo cancellation, transcoding
Monitoring: Voice Quality Monitoring (VQM)
Form Factor: Shared Port Adapter (SPA)
Hot Swap Support: Yes
Compatibility: Cisco SPA-enabled platforms
Use Case: VoIP, IP Telephony, Unified Communications
Condition: Spare / Expansion Module

Features

Brand:

Cisco

Warranty:

1 Year

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