Yealink T27P Administrator's Guide

Getting Started
47
Parameters
Permitted Values
Default
4-Half Duplex, 100Mbps
5-Full Duplex, 1000Mbps (only applicable to SIP-T48G/T46G/T42G/T29G/T23G IP
phones)
Note: We recommend that you do not change this parameter. If you change this
parameter, the IP phone will reboot to make the change take effect.
Web User Interface:
Network->Advanced->Port Link->PC Port Link
Note: For SIP-T29G and SIP-T23G IP phones, 1000Mbps cannot be configured via web
user interface.
Phone User Interface:
None
To configure the transmission methods of Ethernet ports via web user interface:
1. Click on Network->Advanced.
2. Select the desired value from the pull-down list of WAN Port Link.
3. Select the desired value from the pull-down list of PC Port Link.
4. Click Confirm to accept the change.
The PC port on the back of the IP phone is used to connect a PC. You can enable or
disable the PC (LAN) port on the IP phones via web user interface or using configuration

Yealink T27P Specifications

General

Wall Mountable	Yes
Local Phonebook	1000 entries
Bluetooth	No
Wi-Fi	No
Gigabit Ethernet	No
Display	3.66" 240x120 pixel graphical LCD with backlight
Audio Features	HD voice, Full-duplex speakerphone
Network	Dual-port 10/100 Ethernet switch
Protocols	SIP v1 (RFC2543), v2 (RFC3261)
Power	IEEE 802.3af PoE
Connectivity	2 x RJ45 10/100M Ethernet ports
Voice Codecs	G.711(A/μ), G.722, G.723, G.729AB, G.726
EHS	Supports EHS with Plantronics headsets
Headset Port	Yes
Power Adapter	5V DC (optional)