[問題] 只用來發簡訊選那種資費?
請問
公司環控系統要裝SIM卡,機房若異常會發簡訊報警,
所以應該不會常使用到,
不知道該用預付卡還是月租划算?
現在好像都沒有0月租的資費?
預付卡又需要一直儲值如果都沒用便累積很多?
(還是自己拆下來用一用嗎XD)
有沒網友可以建議一下
謝謝
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