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。
Match an approved destination, remove its local access digit, and apply the carrier format.
沿用7101与7102，配置精确号码匹配、去接入码和中继前缀。
Configure a carrier gateway, route one authorized test destination, and verify registration, calls and rollback.
配置注册型和IP型gateway，用7101/7102完成受控外呼，讲清参数、加载、状态判断、验收与回退。
Configure 7180 with key routing, invalid-input and timeout fallbacks, then verify each branch and roll back safely.
新建7180菜单，按键转7101、7102或7190，讲清收号、超时兜底、完整XML、加载验收与回退。
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。
