Quote:
Originally Posted by arielf
However, when writing in spanish using special chars(such as á, é or ñ) the sms seems to be more limited in size plus i've been told by friends the message is illegible sometimes.
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The size of SMS is always 140B. When message contains GSM chars only (it's like ASCII, but not quite), then you can write 160 chars in one message (because the size of one char is 7 bit). When you use chars outside of the GSM standard or extended charset, then typically the entire message is encoded in Unicode (1 char is now 16 bit long), hence reducing the max number of chars to 70. Message is illegible to recipient if his or her device doesn't support Unicode.