By the end of this guide you'll have your Yealink phone connected to you Fritzbox ready to make calls.

Step 1:

Take the Yealink box, the ethernet cable and one of the power bricks

Step 2:

Connect the ethernet cable and power brick to the Yealink box as shown

Step 3:

Plug the power brick into a plug socket, then plug the other end of the ethernet cable into the yellow "Lan 4" port on the FritzBox.

Step 4:

Take the Phone, battery and back and put them together:

Step 5:

Take the Handset Base and the other power brick and plug them together, then plug it into a wall socket. 

This will be used to charge the phone.

After 5 minutes the phone should sync and you will be able to make outgoing calls. On the day of migration it can take up to two hours for the landline port to be accepted for inbound calls.