Connection Software


   Connection Software

Character Sets

Which Character Set?

For those of us who live in an English speaking country it is very easy to make incorrect assumptions when sending messages in an International environment. Connection Software operates in an International environment and as a result your message may well be affected in unexpected ways - for example if you "cut and paste" from a Word document.

There are three relevant character sets: ASCII, GSM 03.38 and Unicode.

ASCII - the American Standard Code for Information Interchange works fine for Americans :)

GSM 03.38 extends the ASCII set to include characters from many European languages - character like Σ, ñ and ö. All GSM phones can display the full GSM 03.38 character set.

Unicode enables the characters in every written language to be used and phones in China, Japan and Korea all rely on unicode to display their characters.

Connection software fully supports Unicode messages so if you send us a message that contains a character that is not in the GSM set we will automatically forward the message in Unicode format. The only problem is that Unicode messages sent to a GSM phone can only contain 70 Unicode characters whereas a message only containing GSM characters can contain up to 160 characters.

Word has a habit of changing quotation marks like this " into "smart quotes" which look like this: “smart quotes” and those new quotation marks only occur in the Unicode character set. So if you cut and paste from Word you may get fewer character in each message than you expected. Be warned!


Character sets
bullet point ASCII
bullet point GSM 03.38
bullet point Unicode
bullet point HTTP encoding

"GSM" in Egyptian Hieroglyphs

G S M

These three hieroglyphs can be easily sent in a Unicode GSM message ... if you ever need to...


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SMS This page was last modified at 9:15 UTC on Thursday November 15, 2007