Patton SmartLink 4020, User Manual

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QoS (Quality of Service) 36
SmartLink 4020 User Manual 4 • Network—WAN
QoS (Quality of Service)
Figure 12. QoS window
Enable Voice QoS
Enable or disable the voice quality of service function. When QoS is enabled, the SmartLink 4020 will priori-
tize and rate-limit the introduction of voice and data traffic onto the WAN interface.
Assured Bandwidth for Voice
This parameter defines the guaranteed bandwidth for voice traffic on the WAN interface (in kbits/sec).
Maximum Uplink Bandwidth Allowed
The maximum uplink bandwidth that can be allocated to voice traffic.
Saving your work
When you are finished configuring settings, click the
Save Settings
button to save the changes.
ToS/DiffServ
This sub-page is used to configure the Type-of-Service/Diffserv byte values which are to be used in the IP
header of all transmitted SIP signaling packets and RTP packets. The ToS/DiffServ byte values are entered as
two-digit hexadecimal values. If no special ToS/DiffServ value is to be used for a particular traffic type, enter
00 or leave the setting empty.
Figure 13. TOS/DiffServ window