When you place a 911 call, it goes over the cellular network when possible. If you have to use Wi-Fi Calling to call 911, we route your call based on location data from your device and the Wi-Fi network. If your Wi-Fi connection goes out during a 911 call, your call will disconnect. Locating you when you call 911

The next day, WiFi calling would work perfectly on the same WiFi network. This leads me to believe the issue is on T-mobile's end. I tried all of the suggestions from people, opening multiple ports on the router(s), and changing sim cards. Nothing worked reliably. Except switching to Verizon and not having to use WiFI calling in the first place Trying to go in Airplane mode, then turn on Wi-Fi and connect to access point, then send an SMS. EDIT: Confirmed, thanks to /u/nrealistic. Able to send SMS over Wi-Fi (as well as call over Wi-Fi). Needed to be sure Wi-Fi Calling was enabled AND connected by checking lock screen showing "T-Mobile WiFi Calling" in the top left. T-Mobile’s Wi-Fi Calling is an integrated feature on T-Mobile phones that allows you to make and receive calls or texts over an available Wi-Fi network. You can call anyone regardless of what device or service they are using. You will also retrieve voicemails and messages in the same inbox as your cellular calls and texts. Free Wi-Fi calling is a great way for those who need to make calls from their mobile phone or PC on a regular basis. This can save people significant amounts of money every year, and is a huge advantage over a traditional phone service, expensive phone contracts (including 3G access) and even VoIP clients like Skype or Google Voice.

Mar 27, 2020 · Due to potential technical limitations with TTY calls over WiFi or LTE, Xfinity Mobile recommends that TTY devices not be used to make 911 calls. People with communications disabilities can reach 911 by using telecommunications relay services such as IP relay, video relay, or IP captioned telephone service.

Aug 17, 2012 · T-Mobile US has a solution for you. Wi-Fi Calling is a free feature on certain T-Mobile smartphones that allows you to make calls using a Wi-Fi network. If you’re a T-Mobile customer with a smartphone, you may already have Wi-Fi Calling and not even know it. If you don’t have it, you may want it.

The next day, WiFi calling would work perfectly on the same WiFi network. This leads me to believe the issue is on T-mobile's end. I tried all of the suggestions from people, opening multiple ports on the router(s), and changing sim cards. Nothing worked reliably. Except switching to Verizon and not having to use WiFI calling in the first place

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. Sep 11, 2014 · The company is going all-in on its commitment to providing every subscriber and every carrier-branded smartphone with free WiFi calling, and the router -- called the T-Mobile Personal CellSpot Mar 13, 2020 · T-Mobile and Metro by T-Mobile customers are also getting access to an additional 20GB of mobile hotspot/tethering service for the next 60 days, something that T-Mobile says it will offer soon. May 25, 2020 · Bear in mind though, while Wi-Fi calling should be capable of handing over to the network if you move out of range of the Wi-Fi router, there’s a chance it will pause or drop the call. It Since the Autumn of 2016, Wifi Calling / Voice over Wifi has been available for customers of Telenor Denmark, including the ability to do handover to and from the 4G (VoLTE) network. This is available for several Samsung and Apple handsets. AT&T and Verizon are going to launch Wi-Fi calling in 2015. Apple Inc. (Nasdaq: AAPL) has a way of making old technologies seem exciting and new, so T-Mobile US Inc. is hoping to coast off that by announcing its voice-over-WiFi calling service with a few