Polycom CX5500

Polycom CX5500 Unified Conference Station Administrator’s Guide 1.1.0
Polycom, Inc. 171
Codec
Priority
G.729AB
8
Lin16.48ksps
0
Lin16.44.1ksps
0
Lin16.32ksps
0
Lin16.16ksps
0
Lin16.8ksps
0
The table Audio Codec Specifications summarizes the audio codecs supported on the CX5500 system:
Audio Codec Specifications
Algorithm
Reference
Raw Bit Rate
IP Bit Rate
Sample Rate
Default
Payload Size
Effective
Audio
Bandwidth
G.719
RFC 5404
32 Kbps
48 Kbps
64 Kbps
48 Kbps
64 Kbps
80 Kbps
48 Ksps
20 ms
20 KHz
G.711
RFC 1890
64 Kbps
80 Kbps
16 Ksps
20 ms
7 KHz
G.722.1
RFC 3047
16 Kbps
24 Kbps
32 Kbps
32 Kbps
40 Kbps
48 Kbps
16 Ksps
20 ms
7 KHz
G.722.1C
G7221C
224 Kbps
32 Kbps
48 Kbps
40 Kbps
48 Kbps
64 Kbps
32 Ksps
20 ms
14 KHz
G.729AB
RFC 1890
8 Kbps
24 Kbps
8 Ksps
20 ms
3.5 KHz
Lin16
RFC 1890
128 Kbps
256 Kbps
512 Kbps
705.6 Kbps
768 Kbps
132 Kbps
260 Kbps
516 Kbps
709.6 Kbps
772 Kbps
8 Ksps
16 Ksps
32 Ksps
44.1 Ksps
48 Ksps
10 ms
3.5 KHz
7 KHz
14 KHz
20 KHz
22 KHz
Siren14
SIREN14
24 Kbps
32 Kbps
48 Kbps
40 Kbps
48 Kbps
64 Kbps
32 Ksps
20 ms
14 KHz