Value Format Integer
Description Specifies the value to be stored in the ToS field in the IP header of SIP
messages.
Note
• The structures of the ToS/DS field in an IP header are shown
below.
ToS field
Precedence
3
bits
Type of Service
4
bits
Currently
unused
1
bit
76543210
DS field
DSCP
6
bits
Currently
unused
2
bits
76543210
The ToS field consists of a 3-bit precedence, a 4-bit type of
service, and a 1-bit unused field.
The DS filed consists of a 6-bit DSCP and a 2-bit unused field.
184 Administrator Guide Document Version 2010-08
4.7.2 SIP Settings
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