WiFi Calling made simple –
Access, usage and prices
Will I incur costs for WiFi Calling?
There are no additional costs for phone calls within Germany, as the minutes are billed according to the respective mobile phone tariff.
However, different prices may apply when calling abroad. Telephone calls abroad are calculated as if you were in Germany during the call.
Tip: For example, if you have booked a Smart World M+, then you use the included minute package. If you didn't book an option, this call would cost 15 cents per minute plus a one-time connection fee of 15 cents.
Can I also make emergency calls via WiFi Calling?
Emergency calls (e.g. 112) and location-based services (e.g. ADAC) are not made via WLAN telephony. In this case, the smartphone will automatically search for an available mobile network. Emergency calls are therefore still possible in principle, but are not initiated via WiFi calls.
Your smartphone always uses the best available mobile network for emergency calls — including the network of other providers, as the exact location cannot be transmitted securely when making WiFi calls. However, this is possible via mobile telephony — so emergency services can find you faster. Even in flight mode, emergency calls can usually be made when a mobile network is available.
Is my data from calls securely transmitted via WiFi Calling?
WiFi Calling does not work for me. What could be the reason for that?
What happens if I start a call over Wi-Fi but leave the Wi-Fi area during the call?
The switch between WLAN (WiFi Calling) and mobile communications is usually automatic. If you start a call via WLAN and leave the WLAN area, the call is transferred to the LTE/4G mobile network without interruption.
Can I also use SMS or RCS with active WiFi Calling??
Yes, it is also possible to send and receive SMS and messages via RCS when WLAN telephony is activated and connected to the WLAN — even in flight mode, when there is only a WLAN connection.
Do I have to download additional apps or book options to use WiFi Calling??
It is not necessary to install certain apps or to book additional options or packs.
Because WiFi calling uses WiFi: How do I improve my WiFi at home?
- Router location: Set up the router centrally and freely, away from sources of interference such as microwaves or refrigerators.
- Frequency bands: Use the 5 GHz band for faster connections, if possible.
- WiFi channel: Check and change the channel to avoid interference from neighbors.
- LAN repeater: Use repeaters to extend the range.
Your advantages at Ortel Mobile
SIM card without contract
With a prepaid SIM card from Ortel, you can use your mobile phone to make and receive calls and surf abroad flexibly and cheaply - and with no long-term contractual obligation. In addition, you benefit from various advantages of cheaper prepaid rates and a variety of different options. We have the right rate for everyone.
Pay in advance
Prepaid means paying in advance. You purchase a SIM card, which you top up with credit. Then you can book a suitable option from our large selection on your card. Calls and SMS will only be blocked once you have depleted your credit. However, you will still be reachable.
No long-term contract
You do not have to sign a long-term contract. To phone with Ortel, all you need is a mobile phone without a SIM lock. You can order your SIM card online for free or with your starting credit.
Change options flexibly
You can change your Ortel tariff flexibly every month. With Ortel you always are in full control over your mobile phone and telephone expenses.
No additional fees
Since there is no basic tariff yet, there are no additional costs with an Ortel prepaid card. There is no unpleasant surprise when checking the telephone bill.
Flat rate tariffs for smartphone users
Ortel also offers flexible tariffs for smartphone users. Internet flat rates for mobile surfing can be booked as an option - monthly and hassle-free. The good thing is that you can cancel these rates on a monthly basis. If you expect high Internet consumption in the next month or know that you will be travelling a lot, we offer you a one-off booking option.
Do you have questions about our offers?
Just give us a call
0177 - 177 11 38
Hotline PIN or PUK1 are needed for personal data enquiries.
Monday-Friday: 8.00 am – 8.00 pm | Saturday: 9.00 am – 6.00 pm
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