Yealink SIP-T2XP Administrator's Manual page 45

Half-duplex
Half-duplex transmission refers to transmitting voice or data in both directions, but in
one direction at a time; this means one device can send data on the line, but not
receive data simultaneously. You can configure the half-duplex transmission on both
Internet port and PC port for the IP phone to transmit in 10Mbps or 100Mbps.
Full-duplex
Full-duplex transmission refers to transmitting voice or data in both directions at the
same time; this means one device can send data on the line while receiving data. You
can configure the full-duplex transmission on both Internet port and PC port for the IP
phone to transmit in 10Mbps or 100Mbps.
Procedure
The transmission methods of Ethernet ports can be configured using the configuration
files or locally.
Configuration File <y0000000000xx>.cfg
Getting Started
Configure the transmission
methods of Ethernet ports.
For more information, refer to
Internet and PC Ports
Transmission Methods
265.
on page
29