五岳鑫电话卡应用开发，放音，录音，数据库MYSQL。-five Xin Yue calling card applications development, audio, sound recording, database MYSQL.

对所有的客户电话都录音，通过录音可以更好的了解客户的需求，也可以避免员工在工作中出现差错。-For all customer calls are recorded by the recording can better understand customer needs, but also to avoid errors in the work of employees.