点按 新增标签，建立新的标签名称与新增成员，或于新增成员中，将朋友加入已设定的标签内。 The Servers keep registered users' cellphone quantities, public essential material and press tokens which are needed for starting calls and transmitting messages.[174] So as to determine which contacts will also be Sign users, cryptographic hashes on the person's contact numbers are periodically tran... https://www.lt-signal.com/