送交者: steven 于 2005-6-03, 01:05:59:
回答: 中国的话费与美国的话费 由 eng 于 2005-6-02, 23:57:53:
CCIS7, aka SS7, based telephony technology. Calling China usually is through plain IDD. As for local call, typical monthly charges is about $20, including residencial line, caller id service and call waiting id plus tax. It isn't much.