Panasonic KX-TDA0490 Programming Manual page 23

DSCP
Bit 8
Bit 0
IP Header Version
HEX
Bit 8
Bit 0
IP Header Version
CODEC Frame Settings
The amount of required bandwidth depends on the type of CODEC and the selected packet sending
interval. The tables below show the amount of bandwidth required for one VoIP channel in each case:
Required Bandwidth for Voice Communication via LAN
CODEC
G.711
G.729A
G.723.1 5.3 kbps
G.723.1 6.3 kbps
0 0 0 0 0
0 0 0 0 0
1 1 1 1 1
1 1 1 1 1
IHL Type of Service
0 0 0 0
0 0 0 0
1 1 1 1
1 1 1 1
IHL Type of Service
20 ms 30 ms
87.2 kbps 79.5 kbps
31.2 kbps 23.5 kbps
— 20.8 kbps
— 21.9 kbps
0 DSCP: 0
1 DSCP: 1
0 DSCP: 62
1 DSCP: 63
Reserved Reserved
Total Length
0 0 0 0 HEX: 0
0 0 0 1 HEX: 1
1 1 1 0 HEX: FE
1 1 1 1 HEX: FF
Total Length
Packet Sending Interval
40 ms
75.6 kbps 71.7 kbps
19.6 kbps 15.7 kbps
— 13.1 kbps
— 14.1 kbps
2.2 Programming
Bit 15
Bit 32
IP Packet
Bit 15
Bit 32
IP Packet
60 ms 90 ms
—
—
10.5 kbps
11.6 kbps
Programming Guide 23