1.

1. 参加人：具备订户预置 (provisioning) 接口,降低运行成本共享和私有接入号,通行码 (pass code) 级别可配置通过大量接口,降低订户 (subscriber) 预置和管理方面的运营成本通过订户接入码、参加人 (participant) 接入码和其它方法,实现安全的会议控制

1. 参与者；参加者
    The participants in an activity are the people who take part in it.

    e.g. 40 of the course participants are offered employment with the company...
           上这门课的人中有40个被该公司聘用。
    e.g. You are expected to be an active participant.
           你应该成为积极的参与者。

1. someone who takes part in an activity

2. a person who participates in or is skilled at some game

    Synonym: player