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S-1240系统是ITT公司组织了它在美国、比利时、法国、西班牙等国家的研究机构和设计中心大量的科研和设计人员花了9年时间共同研究成功的,它是当今世界上最先进的交换机之一,但由于它问世不久,技术还不完全成熟等原因,目前该系统在运行时存在的问题也特别多,尤其是无音问题最令人头痛。所谓用户无音一般指的是当用户摘机后,听不到任何信号音。用户无音占所有故障的百分之九十以上。比如:一个实
S-1240 system is ITT company organized its research institutes and design centers in the United States, Belgium, France, Spain and other countries a large number of scientific research and design staff spent 9 years to study together, it is the most advanced in the world One of the switches, but because of its advent soon, the technology is not yet fully mature and other reasons. At present, the system has a lot of problems in operation, especially the silent problem is the most troublesome. The so-called user silent refers to the general when the user pick up the machine, do not hear any signal tone. User silent accounted for more than 90% of all failures. For example: a real