What's the wifi calling feature US members talk about?

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Hi,

I see that in the dev section, whenever there is an EU-based ROM thread, some US members ask for the wifi calling feature to be added.

But what is it?

I got a One S with the stock EU ROM (no carrier ROM) and there is also an "internet calling" option in the call settings. There, I can give the settings of a SIP account.

Is this the same thing, or do US ROMs have another additional feature?

i think its the same thing, but as far as i know its only tmobile US that supports it. it allows you to make calls via wifi in low signal areas

Originally Posted by azzledazzle

i think its the same thing, but as far as i know its only tmobile US that supports it. it allows you to make calls via wifi in low signal areas

You are correct, if I'm at home I do not have TMO coverage so I link to my WiFi and I can make calls w/o any issues. One really nice feature the TMO has!

Sent from my HTC VLE_U using XDA

So why do people ask for it to be ADDED to EU ROMs? In my EU 1.78, the feature is also here. Same when I was with 1.53

Originally Posted by Bricolo_fr

So why do people ask for it to be ADDED to EU ROMs? In my EU 1.78, the feature is also here. Same when I was with 1.53

Probably so us Americans can try EU ROMs over here!!

Originally Posted by Bricolo_fr

So why do people ask for it to be ADDED to EU ROMs? In my EU 1.78, the feature is also here. Same when I was with 1.53

Probably because people do not realize wifi calling is potentially the same thing as your internet calling. Change scares people....

I don't think that it is exactly the same thing (even if it may accomplish the same thing). For TMO US folks you don't need to enter any sip info. You just enable it and choose wifi preferred, wifi only, or cellular preferred.

Yep. In fact it completely turns off your gsm radio and all calls and smses come through the WiFi. You are dialing out using your tmo number and everything. But instead using GSM towers you are using your WiFi.

Sent from my HTC VLE_U using XDA

ok then this is obviously not the same as the sip one since it does not shut down the GSM radio and cannot send texts

Wifi calling on TMobile US has a couple additional benefits. First, you can add a free feature that makes it so the minutes used via Wifi calling do NOT count against your purchased minutes. Second, you can use Wifi calling when travelling outside of the US to call and text back to the US, or people in the US can call and text you. And if you have the free feature added, none of those minutes will count against your total purchased minutes either. I have used both of these benefits extensively and they are wonderful.