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据《Signal》1992年4月刊报道,国防商务通信管理处(DCCO)已与弗吉尼亚MCI电信公司签订了一项交换话音业务(SVS)合同,该合同为期两年,其价值高于3.5千万美元。SVS用于美国所有的联邦航空局,可为美国本土到世界上213个位置以4.8kb/s的速率传送话音或模拟数据。
According to Signal April 1992, DCCO has signed a contract for the exchange of voice services (SVS) with MCI Telecom of Virginia for a period of two years worth more than $ 35 million . SVS is used by all FAA in the United States to deliver voice or analog data at 4.8kbps for 213 locations in the United States to the world.