a2mobile WiFi Calling is a program that allows users to make voice calls using Wi-Fi networks. This feature is available as part of the promotional offer "Wi-Fi Calling" by a2mobile. To use Wi-Fi Calling, users must have a registered and active SIM card in the a2mobile service, read and accept the terms of use, and download and install the compatible application on their device.

With a2mobile WiFi Calling, users can make voice calls over Wi-Fi even in areas with no cellular network coverage. Whether at home or in a favorite club, as long as there is Wi-Fi coverage, users can communicate using their phone numbers.

It's worth noting that incoming and outgoing calls made through the a2mobile WiFi Calling application will incur fees according to the Price List of Telecommunications Services provided by a2mobile. These fees will be deducted from the user's account during the call. Calls made within the WiFi Calling service will be counted towards the user's minutes package.

Please note that international calls made through the a2mobile WiFi Calling service will be charged as calls made from the Polish border, according to the applicable Price List.

Overall, a2mobile WiFi Calling provides a convenient way for users to make voice calls using Wi-Fi networks, expanding their communication options beyond traditional cellular coverage.