FCC 不是 ESL 的替代品，它让不熟悉 FreeSWITCH 的人先跑通呼叫业务，再决定是否继续投入。
Configure rotation, breaks, wrap-up and unanswered offers on a two-agent queue, then verify and roll back.
在7101、7102测试队列配置轮询、休息、话后整理与未接处理，说明加载、验收及回退。
Separate confirmed reports from unknowns, review DSM patches and backups, and contain suspected encryption.
核对群晖与360通报中的入口差异，检查公网暴露、DSM补丁、快照及离线备份，并区分防护与事后应急。
Configure two agents, a queue and tiers, route 7190 and check dispatch with a third test caller.
配置两名座席与测试队列，解释contact、状态、等待时间和层级，再拨7190验收派单。
Create two SIP accounts, explain their parameters, add a route, register clients and verify calls.
新建7101和7102分机，逐项解释用户参数、拨号规则与软电话填写，再验证注册和双向通话。
