1.uuid_bridge桥接两条呼叫的腿。Usage: uuid_bridge <uuid> <other_uuid>uuid_bridge至少需要有一条腿是被呼通的。2.uuid_chat发送聊天信息Usage: <uuid> <text>如果和会话(session,由uuid指定)相关的终端有一个receive_event handler,该消息会被发往终端,并以及时消息的形式显示出来。3.