Confirm proper installation of the telephone base and charger power adapters, and handset battery. You should only use the VTech power adapters provided with your telephone. Make sure the power adapters are connected to working electrical outlets that are not controlled by a wall switch. Ensure the telephone cord is securely installed at the base and the wall jack. Or try another telephone cord.
VTech SN5147 Amplified Corded/Cordless Senior Phone System with 90dB Extra-Loud Visual Ringer, Big Buttons & Large Display
Smart call blocker: Say goodbye to unwanted calls. Robocalls on your landline are automatically blocked from ever ringing through-even the first time. You can also permanently blacklist up to 1,000 numbers with one touch.
50dB Audio Assist: Temporarily increases overall volume by up to 50dB and enhances sound frequencies that make speech easier to understand.
Photo dial: Never forget whose number is whose. Program eight frequently dialed phone numbers and attach a photo to each one for convenient speed dialing.
Big buttons, large display: Oversized buttons and an easy-to-read display screen make the system super easy and comfortable to use.
90dB ringer volume: The extra-loud ringer makes it easy to hear incoming calls throughout your home.
VTech CS6649 Expandable Corded/Cordless Phone System with Answering System-Caller ID/Call Waiting & Handset/Base Speakerphones
DECT 6.0 Digital technology
Caller ID/Call Waiting*-stores 50 calls
Handset and base speakerphones
ECO mode power-conserving technology
Expandable up to 5 handsets with only one phone jack
For optimal performance batteries should be charged for 16 hours prior to use
DSL Subscribers may need to us a DSL Filter. Conference between an outside line and up to 4 cordless handsets
Wall mount bracket is integrated into the underside of the base unit, flipping the bracket to the down position allows the base to mount to a wall. NOTE: Refer the User Guide from the Technical Specification before use which is highly recommended.