Free calling software

Yixin is the only "toll-free" product launched by operator China Telecom and Internet company Netease. It also uses the callback phone to realize the free call between the two users (within a certain period of time), and still takes the traditional voice channel of the operator without consuming user traffic.

2. There is a letter:

Trusted VoIP is a kind of free communication software based on ultra-high-speed wireless communication technology, which spans mobile phone operating platform, operator network and mobile terminal. The letter supports global free voice calls between friends and free VoIP calls between non-friends.

3, love to chat:

Love Chat is a mobile phone communication software, which adopts the international leading voice engine, supports free calls, short messages, pictures, texts and voice exchanges through the mobile phone network, with clear sound quality, low traffic and full functions. A small secretary who loves to chat is attentive to the service, and can also choose scenes to find like-minded people.

4、Skype:

Skype VoIP not only has the basic functions required by instant messaging software, but also can make free online voice and video calls, support 24 free voice calls among Skype friends around the world, initiate 24 voice calls connecting computers, fixed lines and mobile phones, and support 10 video calls.

5. Cloud VoIP:

Yunhua VoIP is a VoIP software. It adopts point-to-point free call mode to realize global clear call, supports various USB phones and even cordless phones, allowing users to move freely when making calls, which is very free and convenient.