T-Mobile is the first operator in the Czech Republic to introduce Wi-Fi calling

Customers can call from their numbers over Wi-Fi similarly as in a mobile network
Top-quality calling also in places with limited propagation of mobile signal
Calls smoothly switch to the LTE network when a customer leaves a place with Wi-Fi coverage

T-Mobile has launched internal operation of the Wi-Fi calling service. The new service is based on the Voice over Wi-Fi (VoWiFi) technology, which enables making standard mobile calls and sending text and multimedia messages over a Wi-Fi network. With this technology, customers can make calls and send messages from their numbers in the same way as they do in a mobile network. The operator will put the Wi-Fi calling service into commercial operation within the next several weeks.

“By launching Wi-Fi calls, T-Mobile is confirming its position as a clear leader in innovations in telecommunications services,” says Milan Hába, Vice President Technology & Business Innovations at T-Mobile, adding: “Following the successful launch of Voice over LTE in May this year, we are now introducing another innovative service, which is very useful for customers.”

Wi-Fi calling will be valuable particularly in places where there may be problems with the strength or quality of the mobile signal. Customers will use the service, for example, for making calls in underground premises (restaurants, bars, dance clubs), inside buildings with thick walls or in steel structures used as production facilities and warehouses. A Wi-Fi network is often available in places with limited propagation of the mobile signal; in combination with VoWi-Fi technology, the Wi-Fi network is capable of replacing a mobile network.

Similarly as VoLTE, Wi-Fi calling offers higher-quality voice transmission with suppression of ambient noise. Call connection is fast and the service also supports sending of text and multimedia messages. If a Wi-Fi network is available in a particular place, the phone will use it automatically. Customers do not have to worry about a loss of the signal when leaving a place with Wi-Fi coverage – in such a case, calls will smoothly switch to the LTE network (similarly as in the case of VoLTE calls). The same principle will also apply when switching from LTE to Wi-Fi.

T-Mobile Czech Republic, a member of the international telecommunications group Deutsche Telekom, has almost 6.2 million customers, the number-one operator in the Czech market. T-Mobile is an integrated operator: in addition to telecommunications services, it offers comprehensive ICT solutions not only for companies, but also for other organizations and individuals. It provides outstanding services in the high-speed network, which was proved repeatedly by benchmark testing performed by umlaut (former P3) with Best-in-Test seal.

T-Mobile Czech Republic places emphasis on taking a responsible approach to the environment and society. It adheres to fair business practices, helps beneficial applications and services to see the light of day, supports non-profit organizations, small businesses and individuals, and lends a helping hand whenever crisis situations arise. The company’s employees serve as volunteers in many places across the entire Czech Republic.

More information about the company is available at www.t-mobile.cz, www.t-press.cz (the portal for journalists) and www.t-mobile.cz/pomahame (information on the company’s CSR activities).

Contact details of the press unit: press@t-press.cz.