Yealink T27P Administrator's Guide

Getting Started
49
2. Select Auto Negotiate from the pull-down list of PC Port Active.
3. Click Confirm to accept the change.
A dialog box pops up to prompt that settings will take effect after a reboot.
4. Click OK to reboot the phone.
To disable the PC port via web user interface:
1. Click on Network->PC Port.
2. Select Disabled from the pull-down list of PC Port Active.
3. Click Confirm to accept the change.
A dialog box pops up to prompt that settings will take effect after a reboot.
4. Click OK to reboot the phone.
This section provides information on upgrading the IP phone firmware. Two methods of
firmware upgrade:
 Manually, from the local system for a single phone.
 Automatically, from the provisioning server for a mass of phones.
The following table lists the associated and latest firmware name for each IP phone
model (X is replaced by the actual firmware version).
IP Phone Model
Associated Firmware Name
Firmware Name Example
SIP-T48G
35.x.x.x.rom
35.80.0.20.rom
SIP-T46G
28.x.x.x.rom
28.80.0.20.rom

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)