Alternate Serving Wire Center, when a building or customer is served by two different Central Offices.The one that is not his main central office is called the ASWC.

 
  • 备用服务电话交换机,当一幢大楼或客户由两个不同的市话局提供服务时,不是主用市话局的那一个称为ASWC。
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