Cisco ASR 1000 Series Software Configuration Manual page 446

Understanding Codecs and Maximum Channels Supported
supported per DSP core and maximum channels supported per SPA-DSP are defined. The following table
provides a matrix for maximum channels supported on DSP core and SPA-DSP and the complexity type:
Table 41: Codec-Density-Supported Matrix
Codec Complexity or Service
LC (Low complexity) Voice/xcode
MC (Medium complexity)
Voice/xcode
HC (High Complexity)
Voice/xcode
ISAC Voice/xcode
AMR-WB
Table 42: SPA-DSP-Supported Transcoding Codec List
Codec Name
g711alaw
g711ulaw
g722-64
g723r53
g723r63
g726r16
g726r24
g726r32
g726r40
g728
g729abr8
g729ar8
g729br8
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
400
Overview of the Cisco DSP SPA for the ASR 1000 Series Aggregation Services Routers
Maximum Supported Density per
DSP Core
43
28
17
8
8
Codec Description
G.711 A Law 64000 bps
G.711 u Law 64000 bps
G722r64
G.723.1 5300 bps
G.723.1 6300 bps
G.726 16000 bps
G.726 24000 bps
G.726 32000 bps
G.726 40000 bps
G.728 codec
G.729ab 8000 bps
G.729a 8000 bps
G.729b 8000 bps
Maximum Supported Density per
SPA-DSP
903
588
357
168
168
OL-14127-17