SMS message size

22SMS charge 1 credit per SMS. Depends on the encoding type, the length of a SMS could be varies. Typically, we can group SMS in to 2 type which is:

  1. English and Malay or any Latin, 160 characters are allowed in 1 SMS.
  2. Arabic, Chinese, Korean, Japanese or Cyrillic alphabet languages, 70 characters allowed.

There is a real-time calculator calculating the number of characters you when you compose SMS in 22SMS, if you input more that 1 message, more than 1 credit will be deducted, so forth and so on.

Technical:

Short messages can be encoded using a variety of alphabets: the default GSM 7-bit alphabet, and the 16-bit UTF-16 alphabet. Depending on which alphabet the subscriber has configured in the handset, this leads to the maximum individual Short Message sizes of 160 7-bit characters or 70 16-bit characters (including spaces). Support of the GSM 7-bit alphabet is mandatory for GSM handsets and network elements, but characters in languages such as Arabic, Chinese, Korean, Japanese or Cyrillic alphabet languages (e.g. Russian, Serbian, Bulgarian, etc) must be encoded using the 16-bit UTF-16 character encoding.

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