H3C Technologies H3C MSR 50 User Manual
Page 622
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Table 225 G.726 r40 algorithm
Packet
assembly
interval
Bytes coded
in a time unit
Packet
length (IP)
(bytes)
Network
bandwidt
h (IP)
Packet length
(IP+PPP) (bytes)
Network
bandwidth
(IP+PPP)
Coding
latency
10 ms
50
90
72 kbps
96
76.8 kbps
10 ms
20 ms
100
140
56 kbps
146
58.4 kbps
20 ms
30 ms
150
190
50.7 kbps 196
52.3 kbps
30 ms
40 ms
200
240
48 kbps
246
49.2 kbps
40 ms
G.726 r40 algorithm: media stream bandwidth 40 kbps, minimum packet assembly interval 10 ms.
Table 226 G.729 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
10
50
40 kbps
56
44.8 kbps
10 ms
20 ms
20
60
24 kbps
66
26.4 kbps
20 ms
30 ms
30
70
18.7 kbps
76
20.3 kbps
30 ms
40 ms
40
80
16 kbps
86
17.2 kbps
40 ms
50 ms
50
90
14.4 kbps
96
15.4 kbps
50 ms
60 ms
60
100
13.3 kbps
106
14.1 kbps
60 ms
70 ms
70
110
12.6 kbps
116
13.3 kbps
70 ms
80 ms
80
120
12 kbps
126
12.6 kbps
80 ms
90 ms
90
130
11.6 kbps
136
12.1 kbps
90 ms
100 ms
100
140
11.2 kbps
146
11.7 kbps
100 ms
110 ms
110
150
10.9 kbps
156
11.3 kbps
110 ms
120 ms
120
160
10.7 kbps
166
11.1 kbps
120 ms
130 ms
130
170
10.5 kbps
176
10.8 kbps
130 ms
140 ms
140
180
10.3 kbps
186
10.6 kbps
140 ms
150 ms
150
190
10.1 kbps
196
10.5 kbps
150 ms
160 ms
160
200
10 kbps
206
10.3 kbps
160 ms
170 ms
170
210
9.9 kbps
216
10.2 kbps
170 ms
180 ms
180
220
9.8 kbps
226
10 kbps
180 ms
G.729 algorithm: media stream bandwidth 8 kbps, minimum packet assembly interval 10 ms.