Polycom RMX 1500/2000/4000 Administrator's Guide
Audio algorithms supported for ISDN
Table 2-15
Audio Algorithm
G.722.1C 48K
G.722.1C 32K
G.722.1C 24K
Siren14 48K
Siren14 32K
Siren14 24K
G.722.1 32K
G.722.1 24K
G.722.1 16K
G.722 48K
G.722 56K
G.722 64K
G.711 56K
G.711 64K
G.728 16K
G.722.1C 32K
G.722.1C 24K
Siren14 32K
Siren14 24K
G.722.1 32K
G.722.1 24K
G.722 48K
G.722 56K
G.722 64K
G.711 56K
G.711 64K
G.728 16K
2-52
Supported Audio Algorithm vs Bitrate
Minimum Bitrate (kbps)
256
128
Polycom, Inc.
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