Yealink SIP-T38G, Руководство администратора

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Configuring Advanced Features
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2. Click Browse to locate the tar package from the local system.
3. Click Import to import the tar package.
4. Select the desired value from the pull-down list of VPN Active after importing.
5. Click Confirm to accept the change.
The web user interface pops up a dialog box to prompt that the settings will take
effect after reboot.
6. Click OK to reboot the IP phone.
To configure VPN via phone user interface after uploading the tar package:
1. Press Menu->Settings->Advanced Settings (password: admin) ->Network->VPN.
2. Press or , or the Switch soft key to select the desired value from the VPN
Active field.
3. Press the Save soft key to accept the change.
The IP phone reboots automatically to make the settings effective after a period of
time.
Quality of Service (QoS) is the ability to provide different priorities to different packets in
the network that allows the transport of traffic with special requirements. QoS
guarantees are important for applications that require fixed bit rate and are delay
sensitive, when the network capacity is insufficient. There are four major QoS factors to