Wi-Fi Calling is a service for Android and iOS smartphones providing the ability to make and receive phone calls over a Wi-Fi connection. It's simple to use with no separate application or log-in required. Wi-Fi calling is a free service when calling to a US, US Virgin Islands, or Puerto Rico number. International rates still apply for international numbers.
FAQs about Wi-Fi calling
Android Phones: Wi-Fi Calling is supported on most recent Android phones. To check if your phone supports Wi-Fi Calling, go to Settings to look for the Wi-Fi Calling option.
iOS Phones: Wi-Fi Calling is available on iPhone 5c and newer.
iOS also supports the ability to do Wi-Fi Calling on other select Apple devices that support iCloud accounts. For more information see FAQs about Wi-Fi Calling on iCloud Devices.
Android phones: Both SMS (text) and MMS (pictures and group texts) messaging is supported in Wi-Fi Calling mode.
iOS phones: SMS (text) is supported in Wi-Fi Calling mode. MMS (pictures and group texts) requires cellular coverage. Apple's iMessage to other iOS devices is supported over Wi-Fi.
Wi-Fi Calling provides the ability to call or message from almost anywhere a Wi-Fi connection is available. The service provides enhanced coverage in locations that have limited or no mobile network coverage. Wi-Fi Calling calls do not count against any minute limits on your Sprint plan. With Wi-Fi Calling, you can still use the internet and apps while on an active call.
Wi-Fi Calling requires a valid registered location to be entered prior to the service being used. The location information is verified against an address verification database. In some instances you may receive an Invalid Location error message.
- Validate the information is correctly entered and that items such as City, State, and Zip are correct for the location.
- Check to see that your address uses a 2 digit state code and is not using any accent characters. After manually removing any accent characters or adjusting the state code, re-save the address.
- In some instances, the address may still fail due to the location information not being recognized by the address validation software.
You should verify and update the Registered Location information regularly. Be sure to update your registered address each time when accessing a Wi-Fi network with the same name (SSID) that may exist in multiple locations. Registered Location information is not automatically updated for a location with the same network name. For iOS and newer Android phones, only a single Registered Location is saved and you must manually update as needed.
The Registered Location Information can be updated on your device.
iOS devices: Go to Settings > Phone > Wi-Fi Calling > Update Emergency Address.
Android devices: Go to Settings > Wi-Fi Calling.
Newer Android devices will have an option of Update Registered Location. For other Android devices, the registered location information is updated by clicking on the Wi-Fi network name in the list of enabled networks.
You must provide your own private or public Wi-Fi connection. It is recommended to use a Wi-Fi Router that supports either the 802.11n or 802.11ac standards. These routers provide better data throughput than older 802.11 b or g routers. Minimum download speed of 1Mbps is required to support Wi-Fi Calling.
To stop using Wi-Fi Calling, simply turn the service to Off.
Android devices: Go to Settings > Wi-Fi Calling and toggle the service Off.
iOS devices: Go to Settings > Phone > Wi-Fi Calling and toggle the service Off.
How to fully deactivate Wi-Fi Calling from your account:
Android devices: Go to Settings > Wi-Fi Calling. From the menu option, in the top right, select Deactivate Wi-Fi Calling. The 9-1-1 Registered Location screen may be presented. Scroll to the bottom of the page and select Deactivate Wi-Fi Calling Service. Proceed through the prompts to deactivate.
iOS devices: Go to Settings > Phone > Wi-Fi Calling. Select Update Emergency Address. Scroll to the bottom of the page and select Deactivate Wi-Fi Calling Service. Proceed through the prompts to deactivate.
Using Wi-Fi Calling
Android: Wi-Fi Calling provides different indicators to show that it is operational. The phone's notification bar will show the Wi-Fi Calling icon when connected and the service is ready to use.
|This icon indicates the service is ready. Calls will be placed over Wi-Fi. The Dial/Call button on the Dialer screen will also be updated.|
|This icon indicates the service is not ready. Verify the phone is connected to Wi-Fi and that the Wi-Fi icon is at least half way or completely filled.|
iOS: The Notification Bar will display "Sprint Wi-Fi" when Wi-Fi Calling is ready to be used.
Legacy Android Phones (launched prior to 2016): No, Wi-Fi Calling is not available in Airplane Mode.
Current Android Phones (launching in 2016): Yes, Wi-Fi Calling is available in Airplane Mode.
iOS Phones: Yes, Wi-Fi Calling is available in Airplane Mode.
Yes. A 9-1-1 call may first attempt to route over a wireless carrier network. If a 9-1-1 call doesn't route over a wireless carrier network within approximately 20 seconds, a 9-1-1 call may then attempt to route over Wi-Fi Calling. Always be prepared to provide your precise location information to emergency service personnel and to contact emergency services by alternate means.
Other Non-Cellular Devices: Sprint's Wi-Fi Calling service can also be used with certain other non-cellular or Companion devices. Not all devices connect to a cellular network and therefore cannot attempt a 9-1-1 call over a cellular network. On such devices, a 9-1-1 call may attempt to route over Wi-Fi Calling.
International locations: While emergency calling is not supported over Wi-Fi Calling outside of the domestic United States. However, your wireless device may be able to connect to local emergency responders abroad over a local wireless carrier network using GSM or CDMA by dialing the appropriate abbreviated dialing code in that area, such as 1-1-2. If you attempt such a call, Wi-Fi Calling will be disabled while your wireless device attempts to connect to a local wireless carrier network to route your emergency call.
Select devices support an active call transfer from Wi-Fi to Sprint’s LTE network, if you move outside your current Wi-Fi coverage. Current Android devices supporting this feature are Samsung Gs8, 8+, Note 8, J3 Emerge, J7 Perx, LG G6, Stylo 3, V20, V30+, and Essential Phone. The following iOS devices support call handoff with iOS 11: iPhone 6, 6 Plus, 6s, 6s Plus, 7, 7 Plus, 8, 8 Plus, SE, X.
Calls will transfer from Wi-Fi automatically when the Wi-Fi coverage becomes poor.
A couple of reasons may be:
- Wi-Fi Calling checks for an adequate Wi-Fi signal strength before initiating the automatic connection to Wi-Fi Calling. Move to an area where the signal strength is stronger.
- If the Wi-Fi network has a captive portal, you may have to launch your browser and sign-on (providing username / password) to the network depending on the Wi-Fi provider's policy.
- Android phones: In the Wi-Fi Calling Settings, verify the slider by the Wi-Fi Network name is set to ON.
- Android phones: Verify the Location Services setting is on one that uses Wi-Fi and Mobile Networks. The GPS Only setting may not be able to determine your location while in a building. This can prevent the service from functioning.
- For Public Wi-Fi networks, the provider may have policies in place that prevent the Wi-Fi Calling service from connecting.
Wi-Fi calling requires a strong and reliable Wi-Fi connection for the best possible call quality. If you are experiencing poor or inconsistent call quality, ensure you have a strong Wi-Fi signal. If necessary, move to a location closer to the router with better signal.
The number of users and activity (e.g. streaming video) on a network can affect call quality. A network with many users, such as a public Wi-Fi hotspot, may cause call quality issues even if the network signal is strong.
When in Wi-Fi Calling mode and the "Sprint Wi-Fi" appears, the call will first be attempted over Wi-Fi. If the phone determines the current conditions of the Wi-Fi network do not adequately support the call then it will be placed over the cellular network.
The following features currently incompatible Wi-Fi Calling. When opting-in for the Wi-Fi Calling service, your phone will no longer be able to use the following features.
- HD Voice
- Voice Account Controls from Sprint.com (Call Blocking by specific numbers)
- Select Abbreviated Dialing Codes (Short codes starting with * or #)
- RingBack Tones
- StarStar Me
- Google Voice with your existing Sprint number
- Integrated Office (IO) Business Service
- Sprint Mobile integration (SMI) Business Service
- Wireless Mobile Integration (WMI) Business Service
- Sprint Direct Connect Now Application
- Wireless Emergency Alerts (applies only for Legacy Android phones launched prior to 2016)
- Wireless Priority Services (WPS)
- Government Emergency Telecommunications Service (GETS)
- TTY (Teletypewriter) Service
For Android phones launched in 2016 and all iOS devices there are no restrictions.
For Legacy Android phones launched prior to 2016, outbound calls over Wi-Fi Calling may not be available outside Nationwide Sprint Network coverage areas, but inbound calls and other messaging services may still be available.
Technical challenges may impede or prevent reliable delivery of TTY (Teletypewriter) messages over Internet Protocol (IP)-based networks including Sprint's Wi-Fi Calling platform. Given these limitations, customers wishing to use TTY may simply turn-off Wi-Fi Calling and rely upon Sprint's wireless CDMA voice network which does fully support TTY (or any other wireline or wireless phone connected to the Public Switched Telephone Network or PSTN). If a CDMA signal is unavailable, Sprint encourages customers to consider alternative means of communicating including utilizing the array of both PSTN and IP-based Telecommunications Relay Services (TRS) such as traditional TRS, IP Relay, IP CapTel, or Video Relay Services (VRS). Each of these Relay services supports 9-1-1 emergency calling. Finally, customers may also send a text message to 9-1-1 directly (where text-to-9-1-1 is available).
No, Wi-Fi calling does not count against a cellular minute plan when calling to a US, US Virgin Islands or Puerto Rico number. International rates still apply for international numbers.
Wi-Fi Calling supports calling from 200+ countries / territories. Wi-Fi Calling is not supported in select countries including: Australia, China, Cuba, North Korea, India, Iran, Singapore, Sudan and Syria. Sprint Subscribers are not authorized to use the service in countries where Wi-Fi Calling is prohibited by law. The use of Virtual Private Networks (VPN) to avoid international calling restrictions is a breach of terms and conditions and is not supported.
Please ensure the latest software is installed on the phone to support using Wi-Fi Calling from an international location. The following Android phones do not support Wi-Fi Calling from an international location: HTC One Max, Sharp Aquos, HTC Desire 510 and Kyocera Hydro Vibe.
Wi-Fi Calling is a free service with no monthly fee. See the following table for a summary of call types:
|Call Type||Charges||Uses monthly plan minutes|
|Calls to US, US Virgin Islands or Puerto Rican numbers.||$0||None|
|Calls to international numbers.||Subject to international calling plan rates.||Varies by international calling plan.|
- To view international calling rates, visit sprint.com/international
- You must disable Data Roaming when traveling internationally to avoid incurring data roaming charges.
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Last updated Wed Jan 17 2018