RealPresence Collaboration Server (RMX) 1500/1800/2000/4000 Administrator’s Guide
Polycom®, Inc. 229
Audio algorithms supported for ISDN (Collaboration Server
1500/2000/4000 only)
Siren22Stereo_96k
512
SirenLPRStereo_96k
G.719Stero_96k
Siren14Stero_96k
SirenLPRStereo_64k
384
G.719Stereo_64k
Siren22Stereo_64k
Siren14Stereo_64k
Supported Audio Algorithm vs Bitrate
Audio Algorithm Minimum Bitrate (kbps)
G.722.1C 48K
256
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
256
G.722 48K
G.722 56K
G.722 64K
G.711 56K
G.711 64K
G.728 16K
Siren22Stereo, G.719Stereo and SirenLPR vs Bitrate
Audio Algorithm Minimum Bitrate (kbps)