作者: Tingting Lu
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摘要: A digital subscriber line (DSL) is provisioned by porting a telephone number from an Incumbent Local Exchange Carrier (ILEC) to Competitive (CLEC) that provides Central Office Voice over Network (CO-VoN) service. The DSL use shadow with hotline service route originating calls softswitch complex. calling name identify party associated incoming call. port activation command issued at the ILEC for CLEC so are routed through