A subscriber 's line connected to an exchange other than the one that would normally provide service at the relevant address, usually in accordance with the subscriber' s wishes.
一种连接到交换机的客户线路,这种交换机不是通常按照客户希望在相关通信处提供服务的交换机。
A subscriber 's line connected to an exchange other than the one that would normally provide service at the relevant address, usually in accordance with the subscriber' s wishes.
一种连接到交换机的客户线路,这种交换机不是通常按照客户希望在相关通信处提供服务的交换机。
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