Make Duo calls with your speakers or displays

You can make and receive video and audio calls with other Duo users on your Google Nest or Google Home speakers or displays using Duo. Learn more about making calls on speakers and displays.

Duo calls are available on the following devices in all countries and languages where sold:

  • Displays: Google Nest Hub and Google Nest Hub Max
  • Speakers: Google Home, Google Nest Mini, Google Home Mini, Google Home Max, Google Nest Wifi point

Before you begin

What you need

  • The latest version of the Google Home app available on Android or iOS.

Who you can call 

  • You can make or receive calls from other Duo users worldwide.
  • You can make calls between your Google Nest speakers, displays, and mobile devices.
  • For video calling, the device you call or that calls you must have a camera. The Google Nest Hub can receive video with Duo, but not send video.
  • Emergency calls cannot be made with Duo. 

How much calls cost

  • All calls are free.

Set up Duo calling on your speaker or display

Turn on personal results to call contacts

Personal results allow you to call your Google contacts by saying their name. “Ok Google, Call [contact name]." Learn more about personal results.

  1. On your phone or tablet, open the Google Home app Google Home app.
  2. At the bottom, tap Home  and then your device.
  3. At the top right, tap Device settings .
  4. Under "More," tap Recognition & personalization.
  5. Turn on Allow personal results.

Note: To make calls to your contacts, Web & App Activity must also be turned on in your account.

Set up Duo 

Important: If you already use Duo, make sure you connect your Google Account in the Duo app on your phone before following these steps.

  1. On your mobile device, open the Google Home app Google Home app.
  2. Tap your device.
  3. At the top right, tap Settings
  4. Under "More," tap Duo calling.
  5. Follow the in-app instructions for set up.

If you have trouble getting calls on Duo after setting up your speaker or display check that you’re signed in to the same Google Account on Duo and your display or speaker.

Sync your contacts

To be able to call contacts saved on your Android phone or tablet:

  1. Open the Google Home app Google Home app.
  2. At the top right, tap your account.
  3. Verify that the Google Account that is listed is the one linked to Google Home. To switch accounts, tap your account name and choose another account. 
  4. Tap Manage your Google account.
  5. Scroll over and tap the People & sharing tab and then Contact info from your devices.
  6. Turn on Save contacts from your signed-in devices.

If you have many contacts or new contacts, it can take a few minutes for them to sync. If your contacts do not sync, make sure that syncing contacts is turned on in your phone’s settings. Open your phone’s Settings Settings app. Tap Google and then Account services and then Contacts sync and then Turn on Automatically sync.

Update your contacts and remove duplicates

Google Nest and Google Home devices use your Google contacts to make calls. If your contacts info isn’t complete or contains similar or duplicate names or numbers, your device may not be able to place calls to certain contacts. 

To clean up your contacts: 

  1. Go to contacts.google.com.
  2. Tap Search  or the search field, and enter the name of the contact you want to update.
  3. Tap the contact you want to keep. 
  4. Verify under “Contact details” that a phone number is present.
    • If needed, tap Edit to update your contact’s information and then Save.
  5. Now return to your contacts and find and tap the name of a duplicate contact.
  6. Tap More More menu and then Delete.

Tips:

  • Make sure all of your contacts’ names are unique. Include first and last names if available.
  • Add a phone number and if available an email to each contact.
  • If a contact appears under “Other contacts,” tap Add to contacts to include in “My contacts.”

Let multiple people make calls from the same device

With Voice Match enabled, additional members of your home, can use their own contacts to make calls on your device. To let multiple people use their contacts from the same device, each person needs to set up Voice Match.

Important: If no one sets up Voice Match, everyone can use the contacts of the device’s owner if the owner has personal results turned on

Household contacts

With household contacts set up, you can allow anyone with access to your speakers or displays to call specific contacts that you choose. On Google Nest displays, this will also provide easy touch access to make calls to those contacts. Learn more about setting up and managing household contacts.

Call someone

To control your call, use your voice or your screen.

Important: You must turn on personal results to call your contacts. Your contacts must also have Duo set up on their device.

Start a call

Say "Ok Google," then:

  • Google Nest Hub Max, Google Nest Hub: Say "Video call [contact]" or "Call [contact] on Duo.” If you see a missed call on your display, tap the notification and then Call [contact name] to return the call.
  • On the “Household contacts” card, tap Video call Video Call.
  • Google Home, Google Home Max, Google Nest Mini, Google Home Mini, Google Nest Wifi point: Say "Call [contact] on Duo.”

End a call

Tap your device or say "Ok Google," then:

  • Google Nest Hub Max, Google Nest Hub: Say "End the call" or "Hang up," or tap End call.
  • Google Home, Google Home Max: Say "End the call" or "Hang up," or tap the top to hang up.
  • Google Nest Mini, Google Nest Wifi point: Say "End the call" or "Hang up," or tap the center to hang up.
  • Google Home Mini: Say "End the call" or "Hang up," or tap the side to hang up.

Mute or unmute a call

Tap mute on your device or say "Ok Google," then:

  • Say "Mute call" or "Unmute call."
  • Tap Mute Mute.

Call a group of people (Nest Hub Max only)

You can make group video calls with Duo on Google Nest Hub Max. This feature is only available in English and in the US.

Before you begin, create a group in the Duo app.

Make a call

  1. Say “Hey Google, start a group call.”
  2. Tap a group to make a call.

If you have a recent missed call, tap the missed call card to join or return the call. Depending on the group size, some callers may not be visible. Tap the overflow and select the person you want to see.

Receiving calls

You can receive Duo calls using your speaker or display. To answer a call say, "Ok Google," then “Answer the call.” To decline a call say "Ok Google," then “Decline the call.” Or, use one of the following touch options:

Answer or decline touch controls

Google Nest Hub Max, Google Nest Hub

  • Tap Answer.
  • Tap Decline.

Google Home

  • Tap the top to answer.
  • Press and hold the top to decline.

Google Home Max

  • Tap the line on the top or side to answer.
  • Press and hold the line on the top or side to decline.

Google Nest Mini, Google Nest Wifi point

  • Tap the center to answer. 
  • Tap and hold the center to decline.

Google Home Mini

  • Tap the side to answer. 
  • Press and hold the side to decline.

Do not disturb

To temporarily prevent a device from receiving calls, turn on do not disturb

Note: This will also disable incoming broadcasts and reminder notifications. To prevent call notifications on a regular schedule, set up night mode.

Make calls between your devices

Members of your home can call your speakers or displays from their phone or from the home’s other displays or speakers. 

Call from a speaker or display to a speaker or display:

To call another speaker or display in your home, say, “Ok Google,“ then “Call [display or speaker name] or Video call [display or speaker name].“

Call from your phone to your speakers or displays:

To call your devices from your phone, you’ll need:

With the ​Google Assistant: Say ”Ok Google,” then “Video call [Smart display or speaker name] or "Video call [name of your home]" to ring all of your devices.

With the Duo app: Open the Duo app Duo. Swipe up and then tap Call my home devices. This will ring all of your devices.

With the Google Home app: Open the Google Home app Google Home app. Tap Call home . This will ring all of your home speakers and displays.

Send a video message using Duo on Google Nest Hub Max

You can send a video message using Google Duo on your Google Nest Hub Max. When you send a video message, the person you’re sending it to can view it on the Duo app or from their Google Nest Hub Max.

Note: The recipient of your message needs to have Duo set up. You can download the Duo app for free at the Google Play Store.

  1. Say “Hey Google, send a video message to [contact name]." An on-screen timer will count down from 3, so you can get ready.
  2. Record your video message. Note: Video messages have a 30 second time limit.
  3. Say “Hey Google, stop recording.” or tap the Stop button.
    • You can review your message before sending by tapping Play.
    • If you want to re-record your message, tap or say “Re-record.”
  4. Tap or say “Send” to send the message.

Unlink Duo from your speaker or display

  1. On your mobile device, open the Google Home app Google Home app.
  2. Tap your device.
  3. At the top right, tap Settings
  4. Under "More," tap Duo calling. 
  5. Tap Unlink Duo from this device and then Unlink.
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