3Com MSR 50 Network Router User Manual


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2562 CHAPTER 173: VOIP CONFIGURATION COMMANDS
110 ms 220 260 18.9 kbps 266 19.3 kbps 110 ms
G.726 r16 algorithm: media stream bandwidth 16 kbps, minimum packet assembly interval 10
ms.
Table 669 G.726 r24 algorithm
Packet
assembly
interval
Bytes
coded in a
time unit
Packet
length
(bytes)
IP
Network
bandwidth
IP
Packet
length
(bytes)
IP+PPP
Network
bandwidth
IP+PPP
Coding
latency
10 ms 30 70 56 kbps 76 60.8 kbps 10 ms
20 ms 60 100 40 kbps 106 42.4 kbps 20 ms
30 ms 90 130 34.7 kbps 136 17.5 kbps 30 ms
40 ms 120 160 32 kbps 166 33.2 kbps 40 ms
50 ms 150 190 30.4 kbps 196 31.2 kbps 50 ms
60 ms 180 220 29.3 kbps 226 11.4 kbps 60 ms
70 ms 210 250 28.6 kbps 256 30.1 kbps 70 ms
G.726 r24 algorithm: media stream bandwidth 24 kbps, minimum packet assembly interval 10
ms.
Table 670 G.726 r32 algorithm
Packet
assembly
interval
Bytes
coded in a
time unit
Packet
length
(bytes)
IP
Network
bandwidth
IP
Packet
length
(bytes)
IP+PPP
Network
bandwidth
IP+PPP
Coding
latency
10 ms 40 80 64 kbps 86 68.8 kbps 10 ms
20 ms 80 120 48 kbps 126 50.4 kbps 20 ms
30 ms 120 160 42.7 kbps 166 44.3 kbps 30 ms
40 ms 160 200 40 kbps 206 41.2 kbps 40 ms
50 ms 200 240 38.4 kbps 246 39.4 kbps 50 ms
G.726 r32 algorithm: media stream bandwidth 32 kbps, minimum packet assembly interval 10
ms.
Table 671 G.726 r40 algorithm
Packet
assembly
interval
Bytes
coded in a
time unit
Packet
length
(bytes)
IP
Network
bandwidth
IP
Packet
length
(bytes)
IP+PPP
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 668 G.726 r16 algorithm
Packet
assembly
interval
Bytes
coded in a
time unit
Packet
length
(bytes)
IP
Network
bandwidth
IP
Packet
length
(bytes)
IP+PPP
Network
bandwidth
IP+PPP
Coding
latency