the power adapter into both the display device and the electrical outlet
If your display device requires batteries, try replacing them
Display contrast setting
on your phone to ensure it is not too light. Refer to your telephone user manual for assistance
Remove any additional equipment you may have attached to your phone line, such as an answering machine or other telephones. If you are subscribed to TELUS Internet, ensure you have microfilters plugged into all the phone jacks in your home. If the problem appears to be with your phone, consider getting it checked where you purchased it.
Call Display on Optik TV
If Call Display works on your phone but is no longer working on your Optik TV,