Supports various message types such as text, stickers, images, voice, geographic locations, files and custom messages. The number of groups can reach as high as a hundred million with 10,000 members in each group. Together with complete group management features, the service can satisfy various group chat requirements. It also supports self-owned and third-party account login systems (independent mode or hosting mode) and has a complete profile relationship chain service system, as well as value-added services such as message sync, message roaming, PSTN voice communication and text/voice SMS service.