No one else can join in. In WeChat, whether it is voice chat or video chat, the number of WeChat videos is more than 9, with a maximum of 9 people. If there are more than 9 people, others can't join. Wechat is a cross-platform mobile dating software with strong timeliness. Wechat was launched by Tencent at the beginning of 20 1 1, which can quickly send voice messages, videos, pictures and texts through the network and support multi-group chat.