Yealink T27P Administrator's Guide

Troubleshooting
543
To reset the IP phone via web user interface:
1. Click on Settings->Upgrade.
2. Click Reset to Factory Setting in the Reset to Factory Setting field.
The web user interface prompts the message “Do you want to reset to factory?”.
3. Click OK to confirm the resetting.
The IP phone will be reset to factory sucessfully after startup.
Note
Factory reset can restore the original password. All custom settings will be overwritten
after reset.
Reset of your phone may take a few minutes. Do not power off until the phone starts up
successfully.

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)