Tips

FAQs about Sprint Wi-Fi calling

Last Updated: Aug 26, 2014

What is Wi-Fi Calling?
What is the advantage of Wi-Fi Calling?
Am I able to make calls from international locations with Wi-Fi Calling?
Does Wi-Fi Calling work while the device is in Airplane Mode?
What does Wi-Fi Calling cost?
What phones support Wi-Fi Calling?
Do emergency services work with Wi-Fi Calling?
Will Wi-Fi Calling support in-call handover between Wi-Fi and wireless networks?
Are there any minimum requirements for my network to support Wi-Fi Calling?
How do I activate/setup Wi-Fi Calling?
How can I tell if a call is utilizing Wi-Fi Calling?
What else do I need to know?
Why am I receving an invalid message when enabling a Wi-Fi network?
Why does my phone not connect to an enabled Wi-Fi network?



What is Wi-Fi Calling?

Wi-Fi Calling is a free service for Android-powered smartphones that gives you the ability to make and receive phone calls and send and receive texts over a wireless internet connection instead of the Sprint network. After setup, Wi-Fi Calling is seamless, giving you access to your voicemail, messaging and calling. 


What is the advantage of Wi-Fi Calling?

Because you’re calling and texting over a Wi-Fi network instead of the Sprint network, your activity won’t count against any minute, text or data limits on your Sprint plan. Wi-Fi Calling enhances coverage in buildings and other locations where signal strength might be poor.


Am I able to make calls from international locations with Wi-Fi Calling?

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.  


Does Wi-Fi Calling work while the device is in Airplane Mode?
Wi-Fi Calling is not currently available while device is in Airplane Mode.


What does Wi-Fi Calling cost?

Wi-Fi Calling is a free service when calling or messaging to a US, US Virgin Islands or Puerto Rico number.  See the following table for a summary of call types:  

Call / Messaging Type

Charges

Utilize monthly plan minutes

Calls from, to and between US, US Virgin Islands, and Puerto Rico numbers.

$0

None

Calls made from the US, US Virgin Islands and Puerto Rico to international numbers.

Subject to CDMA international calling plan rates.

Varies by CDMA international calling plan.

Calls from international locations to the US, US Virgin Island and Puerto Rico numbers.

$0

None

Calls from international locations to international numbers.

Subject to CDMA international calling plan rates.

(No roaming charges)

 Varies by CDMA international calling plan.

Notes:

What phones support Wi-Fi Calling?
If your phone is Wi-Fi Calling capable, Wi-Fi Calling will be identified as a Wi-Fi feature within the phone’s feature list on Sprint.com.  For a particular device, select device details and roll the cursor over the Wi-Fi icon.   The description will tell you if the device is Wi-Fi Calling enabled and whether it supports calling / texting globally or only within the US / Puerto Rico / US Virgin Islands.


Do emergency services work with Wi-Fi Calling?

US / Puerto Rico / US Virgin Islands:  9-1-1 service through Wi-Fi Calling may not be available or may be limited compared to traditional 9-1-1 service due to circumstances including, but not limited to, relocation of equipment, internet congestion or connection failure, loss of electrical power, delays in availability of registered location information and/or other technical problems.  A 9-1-1 call will first attempt to route over a wireless network.  If you are within a Nationwide Sprint Network coverage area and a 9-1-1 call doesn’t route over a wireless 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.       

International locations:  While emergency calling is not supported over Wi-Fi outside of the domestic United States, your wireless device may be able to connect to local emergency responders abroad over a local wireless network utilizing 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 discontinued while your wireless device attempts to connect to a local wireless network to route your emergency call.


Will Wi-Fi Calling support in-call handover between Wi-Fi and wireless networks?

No.  A call will disconnect if a caller moves between a Wi-Fi and cellular network or between different Wi-Fi networks while a call is active.  The same will happen if moving between Wi-Fi networks.  If the call disconnects, you will have to redial.  


Are there any minimum requirements for my network to support Wi-Fi Calling?

You must provide your own Wi-Fi connection.  It may be private or public.  It is recommended to use a Wi-Fi Router that supports the 802.11n standard.  These routers typically provide better data throughput than older 802.11 b or g routers.  These routers also feature the ability to automatically select the Wi-Fi channel to avoid interference with other neighboring Wi-Fi signals.  Minimum throughput for a quality signal is 1Mbps.


How do I activate/setup Wi-Fi Calling?

To provision Wi-Fi Calling and enable a Wi-Fi network for Wi-Fi Calling, click the link below, then find your device. View the Wi-Fi Calling tutorial under the Calls dropdown.   

http://support.sprint.com/support/moretutorial/support_tutorial/deviceProfile?INTNAV=ATG:HE:SPT:Tut


How can I tell if a call is utilizing Wi-Fi Calling?

Wi-Fi Calling provides different indicators to show that it is operational.  The phone’s notification bar will show  if Wi-Fi Calling is on and a Wi-Fi network is connected.  Additionally during a Wi-Fi call, the phone will identify the call as a Wi-Fi call and display a call timer to the immediate right on the phone’s screen.      


What else do I need to know?

Here are some quick facts to help you out.

  • This service will only function over approved Android devices. 
  • Once service is activated, user must select which access points (APs)/Wi-Fi networks will be authorized to use Wi-Fi Calling.
  • Once a Wi-Fi Calling network is enabled, the service will automatically connect to that network when the device enters the network’s signal range. 
  • Leaving the Wi-Fi signal range will trigger an automatic disconnect to the Wi-Fi network and the handset will switch back to CDMA.  No user intervention required. 
  • Use of VPNs to avoid international calling restrictions is a breach of terms and conditions and is not supported.
  • The same account/feature rules apply (for example blocked or forwarded numbers) across both the Sprint network and Wi-Fi Calling.
  • Wi-Fi Calling cannot be used if your phone’s Hotspot feature is active. 


Why am I receving an invalid message when enabling a Wi-Fi network?

For US, Puerto Rico and US Virgin Island locations, a valid address must be provided, for 9-1-1 purposes, when enabling a Wi-Fi network.  The address can be populated either by activating the Locate Me option or manually providing the address.  In some cases after saving the address you may receive an invalid location message.  Check to see that your address utilizes 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.   

If the message is received after inputting an international address, your phone likely does not support international Wi-Fi Calling.   


Why does my phone not connect to an enabled Wi-Fi network?

A couple of root causes may be: 

  • If the Wi-Fi network is a captive portal, you may have to re-sign (username / password) into the network depending on the Wi-Fi provider’s policy. 
  • Wi-Fi Calling checks for an adequate signal strength before initiating the automatic connection.  Move to an area where the signal strength is stronger. 
  • If you have attempted or completed an international emergency service call, Wi-Fi calling will not automatically attempt to re-connect to the Wi-Fi network.  The easiest way to initiate the re-connect is to turn off Wi-Fi Calling within the device’s settings and turn it back on.

 

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