Yealink T40G Administrator's Guide

Troubleshooting
577
Rebooting the IP Phone via Web User Interface
You can reboot your IP phone via web user interface.
Procedure
1. Click Settings->Upgrade.
2. Click Reboot to reboot the IP phone.
The phone begins rebooting. Any reboot of the phone may take a few minutes.
Troubleshooting Solutions
This section describes solutions to common issues that may occur while using the IP phone. Upon
encountering a case not listed in this section, contact your Yealink reseller for further support.
Topics
IP Address Issues
Time and Date Issues
Display Issues
Phone Book Issues
Audio Issues
Wi-Fi and Bluetooth Issues
Firmware and Upgrading Issues
System Log Issues
Password Issues
Logo Issues
Power and Startup Issues
Other Issues
IP Address Issues
The IP phone does not get an IP address
Do one of the following:
If your phone connects to the wired network:
 Ensure that the Ethernet cable is plugged into the Internet port on the IP phone and the Ethernet
cable is not loose.
 Ensure that the Ethernet cable is not damaged.
 Ensure that the IP address and related network parameters are set correctly.
 Ensure that your network switch or hub is operational.

Yealink T40G Specifications

General

SIP Accounts	3
Wall Mountable	Yes
Opus Codec	No
Display	2.3 inch 132x64-pixel graphical LCD
Network	Dual-port Gigabit Ethernet
PoE	Yes
Headset Support	Yes, RJ9 port
Power Adapter	Optional
Voice Codecs	G.722, G.711(A/μ), G.729AB, G.726
Local Phonebook	1000 entries