H3C Technologies H3C MSR 50 - Manual (Page 620)

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Table 219 G.711 algorithm (A-law and μ-law)
Packet
assembly
interval
Bytes coded
in a time unit
Packet
length (IP)
(bytes)
Network
bandwidth
(IP)
Packet length
(IP+PPP)
(bytes)
Network
bandwidth
(IP+PPP)
Coding
latency
10 ms 80 120 96 kbps 126 100.8 kbps 10 ms
20 ms 160 200 80 kbps 206 82.4 kbps 20 ms
30 ms 240 280 74.7 kbps 286 76.3 kbps 30 ms
G.711 algorithm (A-law and μ-law): media stream bandwidth 64 kbps, minimum packet assembly interval 10
ms.
Table 220 G.723 r63 algorithm
Packet
assembly
interval
Bytes
coded in a
time unit
Packet
length (IP)
(bytes)
Network
bandwidth
(IP)
Packet length
(IP+PPP)
(bytes)
Network
bandwidth
(IP+PPP)
Coding
latency
30 ms 24 64 16.8 kbps 70 18.4 kbps 30 ms
60 ms 48 88 11.6 kbps 94 12.3 kbps 60 ms
90 ms 72 112 9.8 kbps 118 10.3 kbps 90 ms
120 ms 96 136 9.1 kbps 142 9.5 kbps 120 ms
150 ms 120 160 8.5 kbps 166 8.9 kbps 150 ms
180 ms 144 184 8.2 kbps 190 8.4 kbps 180 ms
G.723 r63 algorithm: media stream bandwidth 6.3 kbps, minimum packet assembly interval 30 ms.
Table 221 G.723 r53 algorithm
Packet
assembly
interval
Bytes coded
in a time
unit
Packet
length (IP)
(bytes)
Network
bandwidth
(IP)
Packet length
(IP+PPP)
(bytes)
Network
bandwidth
(IP+PPP)
Coding
latency
30 ms 20 60 15.9 kbps 66 17.5 kbps 30 ms
60 ms 40 80 10.6 kbps 86 11.4 kbps 60 ms
90 ms 60 100 8.8 kbps 106 9.3 kbps 90 ms
120 ms 80 120 8 kbps 126 8.4 kbps 120 ms
150 ms 100 140 7.5 kbps 146 7.8 kbps 150 ms
180 ms 120 160 7.1 kbps 166 7.4 kbps 180 ms
G.723 r53 algorithm: media stream bandwidth 5.3 kbps, minimum packet assembly interval 30 ms.
Table 222 G.726 r16 algorithm
Packet
assembly
interval
Bytes coded
in a time
unit
Packet
length (IP)
(bytes)
Network
bandwidth
(IP)
Packet length
(IP+PPP)
(bytes)
Network
bandwidth
(IP+PPP)
Coding
latency
10 ms 20 60 48 kbps 66 52.8 kbps 10 ms
20 ms 40 80 32 kbps 86 34.4 kbps 20 ms