依据GSM 05.03建议，在高斯干扰和突发干扰下，对业务信道中的全速率语音信道TCH/FS信道做了编码研究，并作信噪误码性能的仿真-based on GSM 05.03, in Gaussian interference and unexpected interference, the right business channel Full-rate voice channels TCH / FS channel coding done a study and make noise lette

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.