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Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Hardware Installation Guide
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Chapter 3 Overview: Cisco ASR 1000 Series Aggregation Services Routers SPAs
Cisco DSP SPA for ASR 1000 Series Overview
Features of SPA-DSP
Following are the features of SPA-DSP:
• Enhances ASR 1000 Series Router capabilities by providing DSP-based voice transcoding and
transrating solutions.
• Translates one type of media stream (voice) to another type of media stream that uses different
media encoding and decoding technologies.
• Enables translation between different packetization settings and provides dual tone multifrequency
(DTMF) interworking.
• Provisions the configuration of SBC as either a Unified SBC or Distributed SBC with on-board
DSPs or with a centralized DSP providing trancoding for multiple SBCs.
• Faceplates LEDs to indicate SPA status.
• Monitors voltage and temperature.
• Supports online insertion and removal (OIR).
SPA-DSP LED
SPA-DSPs have only one type of LED, which is the STATUS LED type, as shown in Figure 3-50.
Figure 3-50 SPA-DSP Faceplate
Table 3-48 describes the SPA-DSP LED.
g729abr8 G.729ab 8000 bps
g729ar8 G.729a 8000 bps
g729br8 G.729b 8000 bps
g729r8 G.729 8000 bps
gsmamr-nb GSMAMR codec
ilbc ILBC codec
isac ISAC codec
pass-through Stream Pass Through
Codec Name Codec Description
STATU S
249811
1
1 STATUS LED
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