Specifications

Bandwidth, Codecs and Compression
169
time do not carry user information, they do consume bandwidth, which is unusable by any other
connected device.
Table 47: Ethernet/LAN IP and On-the-wire Bandwidth
Codec: G. 711 G.729 G.722.1
Payload: 64 kbits/s 8 kbits/s 32 kbits/s
Link
Type
Packet
Rate
(ms)
IP Wire IP Wire IP Wire
Ethernet 10ms 96.0kbits/s 129.6kbits/s 40.0kbits/s 73.6kbits/s 64.0kbits/s 97.6kbits/s
20ms 80.0kbits/s 96.8kbits/s 24.0kbits/s 40.8kbits/s 48.0kbits/s 64.8kbits/s
30ms 74.7kbits/s 85.9kbits/s 18.7kbits/s 29.9kbits/s 42.7kbits/s 53.9kbits/s
40ms 72.0kbits/s 80.4kbits/s 16.0kbits/s 24.4kbits/s 40.0kbits/s 48.4kbits/s
Table 48: Other Protocols: On-the-wire Bandwidth
Codec: G.711 G.729 G.722.1
Payload: 64kbits/ 8kbit/s 32kbit/s
Link Type Packet Rate (ms) Wire (kbits/s) Wire (kbits/s) Wire (kbits/s)
Ethernet 10ms 129.6 73.6 97.6
20ms 96.8 40.8 64.8
30ms 85.9 29.9 53.9
40ms 80.4 24.4 48.4
Frame Relay
(Layer 2)
10ms 123.2 67.2 91.2
20ms 93.6 37.6 61.6
30ms 83.7 27.7 51.7
40ms 78.8 22.8 46.8
Frame Relay
(Layer 3)
10ms 102.4 46.4 70.4
20ms 83.2 27.2 51.2
30ms 76.8 20.8 44.8
40ms 73.6 17.6 41.6
PPP 10ms 104.0 48.0 72.0
20ms 84.0 28.0 52.0
30ms 77.3 21.3 45.3
40ms 74.0 18.0 42.0
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