Yealink SIP-T2xP Administrator's Manual page 45

5. Click OK to reboot the IP phone.
To configure PPPoE via phone user interface:
1. Press Menu->Settings->Advanced Settings (password: admin) ->Network->WAN
Port->IPv4->PPPoE IP Client.
2. Enter the user name and password in corresponding fields.
3. Press the Save soft key to accept the change.
The IP phone reboots automatically to make settings effective after a period of time.
Two Ethernet ports on the back of the IP phone: Internet port and PC port. Three optional
methods of transmission configuration for IP phone Internet or PC Ethernet ports:
Auto-negotiation

Half-duplex

Full-duplex

Auto-negotiation is configured for both Internet and PC ports on the IP phone by default.
Auto-negotiation
Auto-negotiation means that two connected devices choose common transmission
parameters (e.g., speed and duplex mode) to transmit voice or data over Ethernet. This
process entails devices first sharing transmission capabilities and then selecting the
highest performance transmission mode supported by both. You can configure the
Internet port and PC port on the IP phone to automatically negotiate during the
transmission.
Getting Started
29