168免费国际电话 is a free international calling service program launched by ip4 Networks Inc. in FebruaryThe program provides a more convenient way for mobile phone users to access the 0044 free international calling service. With this program, users can make international calls without paying any joining fees, basic fees, or international call fees. The program uses a high-quality, China-specific international line, ensuring the call quality is the same as regular international calls.

One of the best features of this program is that users only need to pay for domestic call charges generated by their mobile phone. Smartphones can use the free call time to offset the free time during the free call period, without incurring any domestic call charges. Additionally, the program offers free international calling voice prompts in 19 countries, including China, the United States, and Canada. For users with 3G or Wi-Fi network devices, the program can connect more quickly and efficiently.

The program requires access to the phone's calling function for normal call use, and access to the phone's address book to synchronize contacts with the app.