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Level
TOS Value (High Delay
and High Throughput)
TOS Value (Low Delay
and Low Throughput)
TOS Value (Low Delay
and High Throughput)
4
0x88 0x90 0x98
5
0xA8 0xB0 0xB8
6
0xC8 0xD0 0xD8
7
0xE8 0xF0 0xF8
2.7.3
SIP related configuration
The SIP messages consist of request message and response message. Both include SIP message
header field and SIP message body field. SIP message header mainly describes the message sender
and receiver; SIP message body mainly describes the specific implementation method of the dialog.
Message of request:
the SIP message sent by a client to the server, for the purpose of activating the
given operation, including INVITE, ACK, BYE, CANCEL, OPTION and UPDATE etc.
Message of response
: the SIP message sent by a server to the client as response to the request,
including 1xx, 2xx, 3xx, 4xx, 5xx, and 6xx responses.
Message header
: Call-id.
Parameter line
: Via, From, To, Contact, Csq, Content-length, Max-forward, Content-type, White
Space, and SDP etc.
OMs provide good flexibility in content setting in order to improve the compatibility with the
platform.
After login, click the label of “Advanced > SIP” to open this interface.
Figure 2-25
SIP related configuration interface
Table 2-25
Configuration parameter of SIP related
Name
Description
PRACK
Determine whether to activate Reliable Provisional Responses. (RFC
3262)
Session timer
Choose to activate session refresh (Session Timer, RFC 4028). By
default, session timer is not activated.
Session interval
Set the session refresh interval. The value of Session-Expires is
enclosed into INVITE or UPDATE messages. Default value is 1800 in
second.
Minimum timer
Set the minimum value of session refresh interval.