Ultra Secure Mode
Polycom®, Inc.
856
Enabling Precedence
Precedence is disabled by default. It is enabled by using the
Setup > Precedence Settings
menu to display
the Precedence Settings dialog box. Precedence is enabled by selecting the Use Precedence check box.
See
Configuring and Modifying Precedence Domains and DSCP Values
.
When Precedence is enabled, all other QoS system settings are overridden by the parameters sent in the
SIP Message. For more information about QoS, see
Modifying the Default IP Network Service
.
SIP Message
A SIP Message is a request or a response between network entities that communicate using the SIP
protocol. The SIP Message header contains Precedence and Resource Priority (r-value) information and an
optional Require tag for each call.
For a full description of SIP Messages see IETF RFC 3261.
For a full description of Resource Priority (DSCP) see IETF RFC 2474.
For a full description of SIP r-priority see IETF RFC 4412.
Dial-in calls
If the Use Precedence check box in Precedence Settings is selected:
●
The RMX uses the information in the SIP Message header to match the call to a Precedence Domain
and a Precedence Level. The table below summarizes the default values.
Precedence Domain and Resource Priority - DSCP Default Values
Resource
Priority
Precedence Level
DSCP Value
Audio
Video
9
FLASH-OVERRIDE-OVERRIDE
33 (0x21)
33 (0x21)
8
FLASH-OVERRIDE
33 (0x21)
33 (0x21)
Содержание RealPresence RMX 4000
Страница 135: ...Defining SVC and Mixed CP and SVC Conference Profiles Polycom Inc 104 12 Click the IVR tab ...
Страница 148: ...Video Protocols and Resolution Configuration for CP Conferencing Polycom Inc 117 Resolution Configuration ...
Страница 468: ...Conference and Participant Monitoring Polycom Inc 437 ...
Страница 578: ...Network Security Polycom Inc 547 3 Define the following fields ...
Страница 992: ...Appendix D Ad Hoc Conferencing and External Database Authentication Polycom Inc 961 ...