Running PBX is too much for me as I am not planning to do anything complicated. Maybe a software PBX - 3CX is an option.
做了一個簡單的計算:netbook 大概24watt,PG&E的average rate is about $0.185/kwh,then
24/1000 * 24 * 30 * 0.185 = $3.2 per month
實際上,我的netbook不必一直開著,隻是在出門的時候開一下。
不知道這個選擇如何?