How do I set up a Yealink T series IP phone?

Name: Yealink Shop Kenya
Address: Kimathi Street, Kenya, Nairobi, 70184, Nairobi
Telephone: +254 111 042000

Note: Below are T40 screenshots, but the setup for all of the Yealink T Series is exactly the same!

To setup your VoIP account on your phone you will need your SIP User <your_SIP_username>, <your_password> and host talk.yay.com.

This information can be found in your dashboard under Users