Is there a long-distance charge?

According to Baidu Law Pro, it is free. Changlian video call is a video call service based on wireless network and mobile network launched by Huawei mobile phone. It should be noted that both sides of the call need to support continuous calls in order to conduct video. It's a software installed by Huawei itself in the mobile phone, which is the same as WeChat, but it can set the ringtone of incoming calls and operate on the normal call page like normal calls, but the software will consume traffic when running without WIFI.

Changlian is a full-scene audio and video call product based on distributed technology launched by Huawei, which can realize audio and video calls between mobile phones, large screens, speakers and other devices.