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Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Wi-Fi Calling lets a supported phone place and receive calls through a Wi-Fi internet connection when cellular reception is weak or unavailable. It can reduce your reliance on cellular coverage at home or elsewhere with dependable Wi-Fi, but it does not by itself replace a cellular plan: the feature is provided by your carrier, support varies, and calls may use cellular when it is available.
What Wi-Fi Calling does—and what it doesn’t
With Wi-Fi Calling enabled, your phone can use an internet-connected Wi-Fi network to reach your carrier’s calling service. The Wi-Fi access point supplies the internet connection; your carrier handles call routing. It is not the same as making a call through an app such as a standalone internet-calling service. The FCC describes this carrier-based arrangement in its Wi-Fi Calling order.
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It can help in a building or location where cellular reception is poor, provided the phone is supported, the carrier has enabled the feature for your service, and the Wi-Fi connection works. It does not guarantee calls without a cellular subscription, work on every Wi-Fi network, or ensure that a call will continue if Wi-Fi fails. Availability and behavior depend on the phone, carrier, plan, country, and network.
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Confirm Wi-Fi Calling eligibility with your carrier for your exact phone model, line, plan, and country. Also ask about domestic and international calling and messaging charges, emergency-address requirements, whether calls can transfer between Wi-Fi and cellular, and availability while travelling. There is no universal pricing or travel rule: Google advises Android users to check with their carrier because charges may apply, and carrier-specific guidance from Google Fi and Verizon describes their own service terms, not those of every provider.
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Turn on Wi-Fi Calling
On iPhone
- Open Settings > Cellular.
- If you use multiple SIMs, select the line you want to configure.
- Tap Wi-Fi Calling, then turn on Wi-Fi Calling on This iPhone.
- Follow any prompts to enable the feature and enter or confirm the emergency-service address.
Apple notes that availability depends on the carrier and country or region. See Apple’s Wi-Fi Calling instructions.
On Android
- Open the Phone app and go to Settings > Network & internet > SIMs.
- Select your carrier SIM, tap Wi-Fi calling, and turn it on.
- Complete any carrier prompts, including an emergency-address step if requested.
Android menu labels and paths can vary by phone and carrier. Google’s instructions are at Use Wi-Fi calling. If the option is missing, ask your carrier whether your device and service are eligible.
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Emergency calls over Wi-Fi
Do not assume an emergency call will be handled exactly like a call over cellular. On iPhone, Apple says an emergency call uses cellular when available; when it is not, an enabled Wi-Fi Calling feature may be used. Location information and a registered service address may play a role, depending on carrier and circumstances. Apple also warns that emergency alerts may not be received while connected to Wi-Fi Calling. Read Apple’s guidance and your carrier’s instructions, and keep the emergency address current.
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Carrier procedures illustrate why local details matter. Verizon requires users activating its service to confirm, update, or enter a US address for emergency personnel. Google Fi warns that a 911 call over Wi-Fi or data may connect differently and that the caller’s location or number may not be shared; an internet or Wi-Fi outage can limit or prevent the call. Those are provider-specific statements, not guarantees about other carriers. See Verizon’s FAQ and Google Fi’s guidance.
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If you want to test emergency calling, do not place an unannounced call to 911. 911.gov advises contacting your local 911 call center through its non-emergency number to arrange a test call.
Are Wi-Fi calls free?
There is no single answer for all carriers, plans, countries, or destinations. A call using Wi-Fi is still a carrier call, and charges may depend on where you are, where you are calling, and your provider’s terms. Check your current plan’s domestic, international, and roaming rules before relying on Wi-Fi Calling, especially abroad; do not infer your carrier’s rates from another provider’s policy.
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- Ooma has been rated the top phone service by Consumer Reports.
- Crystal-clear nationwide calling for free and low international rates. Pay only monthly applicable taxes and fees. Works only in the US.
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- Take your home phone on the go with the easy-to-use Ooma Home Phone mobile app
- Includes unlimited calling in the U.S., voicemail, caller-ID, call-waiting, 911 calling and text alerts.
What happens if Wi-Fi drops?
A weak or interrupted internet connection can degrade or end a Wi-Fi call. Whether an active call transfers to cellular depends on the carrier, device, network conditions, and available cellular service; do not count on a seamless handoff. If you need to stay reachable, use a dependable Wi-Fi connection and understand how your carrier handles fallback.
Troubleshoot setup or call problems
- Confirm eligibility: Check carrier support for your phone, line, plan, and location.
- Check the connection: Make sure Wi-Fi has internet access, then try another Wi-Fi network. Apple cautions that not every Wi-Fi network works with Wi-Fi Calling.
- Refresh the feature: Turn Wi-Fi Calling off and on, then restart the phone.
- Update software: Install available phone software updates and try activation again.
- Contact the carrier: If activation still fails, ask about device eligibility, account or plan terms, and carrier provisioning.
These steps follow Apple’s support guidance and Google’s Android instructions. A new router is not a general requirement; consider replacing or improving home Wi-Fi equipment only if your existing connection is unreliable or unavailable.
Quick Recap
Best Value
- Crystal-clear nationwide calling for free and low International rates. Pay only monthly applicable taxes and fees.
- # 1 rated home phone service for overall satisfaction and value by a leading consumer research publication.
- Pure Voice HD delivers superior voice quality for a consistently great calling experience.
- Includes nationwide calling, voicemail, caller-ID, call-waiting, 911 calling and text alerts.
- More features including the ability to block robocallers available when you upgrade to Ooma Premier phone service.
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