GSM is TDM technology, CDMA is

來源: samuel 於 2005-11-27 12:47:11 [] [舊帖] [給我悄悄話] 閱讀數 : (221 bytes)

CDMA technology, so can't interworking.
so, if you want multiple countries roaming, you need to buy GSM, tri-band handset, which many counties are using including Asia, Europe and some north america service provider.

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