With Wi-Fi Calling, you can talk and text over Wi-Fi when cellular coverage is limited or unavailable. For example, some indoor locations may be difficult for even a strong cellular signal to reach. Now, with a Wi-Fi connection, you can talk and text in those hard-to-reach places. Wi-Fi Calling is available on compatible devices to use within the U.S., Puerto Rico, and the U.S. Virgin Islands.*
TTY Limitations for 911 calls
*Use of Wi-Fi Calling may be restricted in some countries
Wi-Fi Calling is available on select devices. Once you set up Wi-Fi Calling on your phone, you’ll be able to enjoy the benefits. Just follow the steps in your phone’s settings to get started.
Wi-Fi Calling is billed based on the number you call no matter whether you’re using Wi-Fi® at home or while traveling abroad.
• Text messages you send or receive with Wi-Fi Calling count the same as regular text messages. You will be charged according to your current rate plan.
AT&T offers convenient Wi-Fi calling and texting on select compatible devices.
Select Shop now to see if your phone supports Wi-Fi Calling or to find a phone with Wi-Fi Calling capabilities.
Wi-Fi Calling lets you talk and text over an active Wi-Fi connection. It works in locations where it’s hard even for a strong cellular signal to reach. Wi-Fi Calling can be used in the Domestic Coverage Area (U.S., Puerto Rico, and U.S. Virgin Islands) and from most international countries.
You can turn Wi-Fi Calling on or off in your phone’s settings. With Wi-Fi Calling, you can call, text, and use Visual Voicemail as you do on the cellular network. While in the U.S., Wi-Fi Calling is used when a cellular signal is weak or unavailable. While traveling in many countries outside the U.S., your phone will automatically use the Wi-Fi network instead of a mobile network when both are available. (Wi-Fi Calling is restricted in some countries.)
The list of devices that support Wi-Fi Calling can be found on the Overview tab of this page.
Yes, you can use Wi-Fi Calling to make and receive calls and texts (SMS/MMS) as you do on the cellular network, even if the people on the other end aren’t using Wi-Fi Calling.
1. You need a smartphone that supports Wi-Fi Calling and a wireless account that is set up for AT&T HD Voice. Most AT&T PREPAID plans include Wi-Fi Calling; pay per minute plans do not include Wi-Fi Calling.
2. You need to set up Wi-Fi Calling on your phone.
iPhone: Go to the phone settings menu on your device and turn on Wi-Fi Calling.
Android: Go to Call Settings, Quick Settings, or Connections Settings on your device and turn on Wi-Fi Calling.
3. During setup, you’ll need to provide an address for 911 emergency call routing. You don’t need any additional software or apps.
4. Once Wi-Fi Calling is enabled on your device, your phone will need to connect to an available Wi-Fi network. Remember, Wi-Fi Calling is used automatically if your cellular signal is weak or unavailable or if you are traveling outside the Domestic Coverage Area and connected to a Wi-Fi network.
Wi-Fi Calling can be used with just about any Wi-Fi Internet connection. To work, Wi-Fi Calling must be on and you must be connected to a Wi-Fi Internet network. Some Wi-Fi networks block Wi-Fi Calling. (1) Within the Domestic Coverage Area: Use Wi-Fi Calling in places like basements or rooms without windows where it may be difficult for a cellular signal to reach. (2) Outside the Domestic Coverage Area: Use Wi-Fi Calling when you are connected to Wi-Fi even if a cellular signal is available. Wi-Fi Calling is restricted and will be unavailable in certain countries. If you are in a country where it is unavailable, Wi-Fi Calling should be turned off. Wi-Fi Calling is restricted in the following countries: China, Saudi Arabia, India, Turkey, Israel, United Arab Emirates, Vietnam, Pakistan, Cuba, Iran, North Korea, Sudan, and Syria.
911 services need your address to help first responders locate you when using Wi-Fi calling. The address must be located in the Domestic Coverage Area and cannot be a P.O. Box. The address can be updated in the Settings menu at any time.
When you place a 911 call, the call will go over the cellular network when possible. If no cellular network is available, device location data from nearby Wi-Fi networks will be used to help locate you. If that data isn’t available, the address you provide will be used. We recommend that you update the address of your current location whenever you use Wi-Fi Calling.
No. The 911 emergency number is unique to the Domestic Coverage Area. Calls to 911 are only supported within the Domestic Coverage Area. You cannot use Wi-Fi Calling to reach emergency services while traveling outside the Domestic Coverage Area. Emergency calls must be made over a mobile network using the correct number for the country you are in. Before you leave, you should learn the number for emergency services in the countries you will visit.
No. Wi-Fi Calling will not support calls over TTY devices, including 911 calls. To reach 911 service, persons with communications disabilities may do on of these: (1) Call 911 directly using a TTY from a wireless phone over the cellular network or from a landline telephone. (2) Send a text message to 911 directly (in areas where text-to-911 is available) from a wireless device. (3) Use relay services to place a TTY or captioned telephone service (CTS) call from a wireless phone over the cellular network or from a landline telephone. (4) Use relay services to place an IP Relay or IP CTS call over a cellular data or other IP network. View RTT progress
Calls to international numbers are charged based on the following: (1) If you have an international long distance package and you call a country in that rate plan, those rates will apply. (2) If your domestic voice plan has a reduced international calling rate and you call a country covered by your plan, those rates will apply. Otherwise, you will pay the pay-per-use rates for international long distance.
A call to a number in England will be charged at the same rate under your plan no matter where the Wi-Fi network is. It does not matter if the Wi-Fi network is in the U.S., in England, or in some other country.
For iPhone: The word “AT&T Wi-Fi” will appear next to the standard Wi-Fi icon in the status bar.
For Android: A plus (+) sign will appear next to the standard Wi-Fi icon in the status bar. You will also see a Wi-Fi icon on the start and end call buttons as well as on the active call status indicator.
If you are using Wi-Fi Calling in the Domestic Coverage Area and HD Voice coverage is available, your call will switch to cellular and continue without a break when your Wi-Fi connection is lost. This does not apply to 911 calls.
If your Wi-Fi connection is lost, your call will drop in these cases: (1) You are not in HD Voice coverage (for example, you are in 3G or 4G coverage). (2) Your device is in airplane mode. (3) You are making a 911 call. (4) You are traveling outside the Domestic Coverage Area.
With the exception of premium numbers, calls you make to domestic numbers are included in your smartphone rate plan. Calls to 411 and other premium numbers are charged standard premium rates. Calls to international numbers are charged based on the following: (1) If you have an international long distance package and you call a country in that rate plan, those rates will apply. (2) If your domestic voice plan has a reduced international calling rate and you call a country covered by your plan, those rates will apply. (3) Otherwise, you will pay the pay-per-use rates for international long distance. If you use Wi-Fi Calling to send or receive messages, you’ll be charged based on your current rate plan, current pay-per-use texting rates, or your international texting package. These messages will also count against any usage limits.
Not all devices have this setting. If yours does, select Always to ensure Wi-Fi Calls can be received if your device is in sleep mode.
Yes, but you can’t use both for the same device. The Wi-Fi Calling-capable device must be removed from your MicroCell approved user list. If it is on the list, it will continue to connect to the MicroCell. If no other devices use the MicroCell, you can unplug it. If you used your Wi-Fi Calling-capable device to register to the MicroCell, and other devices will continue to use the MicroCell, you must re-register it using one of those devices.
*AT&T Wi-Fi Calling: Requires AT&T Wi-Fi Calling capable smartphone and Wi-Fi network. Once enabled, phone automatically makes/receives calls/text messages over Wi-Fi in the U.S., Puerto Rico, and the U.S. Virgin Islands (“Domestic Coverage Area”) if wireless network coverage is weak or unavailable, or outside the Domestic Coverage Area anytime you connect to a Wi-Fi network. Wi-Fi Calling is available on select devices. Charges: (Voice) Wi-Fi calls to domestic numbers will not incur additional charges (excluding calls to 411 and other premium numbers) and will not impact voice call airtime usage. Wi-Fi calls to international numbers are billed at international long distance (ILD) rates. If you’re traveling abroad, this includes calls to the country you’re in. To be billed according to your International Roaming feature, turn Wi-Fi Calling off in your device settings. For a list of ILD calling pay-per-use rates and available packages, go to att.com/worldconnect (or att.com/prepaidintl for AT&T PREPAID). (SMS/MMS) Text messages sent/received through Wi-Fi Calling count against the messaging usage limits of your plan. Service limits: Use of Wi-Fi Calling may be restricted in some countries. See excluded countries in the FAQ. If you move in or out of Wi-Fi coverage while on a Wi-Fi call, your call will disconnect unless you have AT&T HD Voice coverage (911 calls will disconnect even if you are within HD Voice coverage). HD Voice not available everywhere. To enable Wi-Fi Calling, must have a wireless account provisioned for HD Voice. Visit att.com/hdvoice for more details. AT&T PREPAID pay-per-minute plans do not include Wi-Fi Calling. Cannot use Wi-Fi Calling to call 211, 311, 511, and 811. See Wi-Fi Calling FAQ for more information. 911 calling with TTY and Real-Time Text: Due to technical limitations, Wi-Fi Calling cannot be used with TTY devices and will not support 911 calls over TTY devices. Persons with communication disabilities can use Real-Time Text (www.att.com/RTT) as an alternative to TTY. 911 services can be reached by either (1) calling 911 using Real-Time Text, or (2) calling 911 directly using a TTY over the cellular network or from a landline telephone, or (3) sending a text message to 911 directly (in areas where text-to-911 is available) from a wireless device, or (4) using relay services to place a TTY or captioned telephone service (CTS) call from a wireless phone over the cellular network or from a landline telephone, or (5) using relay services to place an IP relay or IP CTS call over a cellular data or other IP network.
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