SPA-DSP
Cisco Systems SPA-DSP
The Cisco ASR 1000 series DSP-SPA is a single-width, half-height, high-power shared port adapter (SPA) digital signal processor (DSP) module that can be used in multiple Cisco platforms. The SPA-DSP provides voice service such as voice transcoding and transrating and dual-tone multifrequency (DTMF) interworking capability for the platforms that support SPA module.
The DSP-SPA helps position a peering session border controller (SBC) with another carrier's voice-over-IP (VoIP) network and helps provide access to the SBC in the service provider edge, enabling Session Initiation Protocol (SIP) trunking and aggregation of enterprise and residential customers.
- Capability for SBC to use on-board DSP-SPA as transcoder
- Faster delivery of voice content
- Very low latency
- Transrate voice codec for incompatible endpoints and gateways
- In-band DTMF to RFC-2833 and out-of-band DTMF interworking
- Optimized media path
- Use of less bandwidth because transcoding is on board
- No dedicated servers or appliances
- Transparent operations and ease of deployment
- Little configuration and administration
- Excellent design supports intelligent service delivery without compromising performance
- Improved slot economics and increased density reduce capital expenditures
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- We offer an industry-leading 365-day warranty* on all of our refurbished products.
* Retail, end-user clients only. Wholesale clients are subject to a 30-day repair or replace warranty.
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