Network Address Translation - Yealink SIP-T2 Series Administrator's Manual

Administrator's Guide for SIP-T23 & T23P & T23G IP Phones
Description：
Configures the DSCP for SIP packets.
The default DSCP value for SIP packets is 26 (Assured Forwarding).
Note: If you change this parameter, the IP phone will reboot to make the change
take effect.
Web User Interface:
Network->Advanced->SIP QoS (0~63)
Phone User Interface:
None
To configure DSCPs for voice packets and SIP packets via web user interface:
1. Click on Network->Advanced.
2. Enter the desired value in the Voice QoS (0~63) field.
3. Enter the desired value in the SIP QoS (0~63) field.
4. Click Confirm to accept the change.
A dialog box pops up to prompt that settings will take effect after a reboot.
5. Click OK to reboot the phone.
Network Address Translation (NAT) is essentially a translation table that maps public IP
address and port combinations to private ones. This reduces the need for a large
372
Parameters Permitted Values Default