采用东进D系列模拟电话语音卡编写的DTMF通信控制程序，与下位机完成数据传输。-Dongjin D analog telephony card prepared by the DTMF communication control program, and the next crew to complete the data transmission.

中国移动模拟客服，涵盖查询余额、话费、话费详单、业务办理、密码修改、人工服务等，基于东进语音卡开发。-China Mobile Simulation customer service, covering the balance inquiries, bill, bill details of a single business transaction, password change, labor services, based on the East into the development