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How is SMS length calculated?

Typically 1 SMS can contain around 160 characters. Special charactors and message headers may take up additional counts. Messages with one or more non-GSM characters have to be sent using UCS-2 encoding and can only contain 67 characters per segment for multi-part messages.

When you compose an SMS message, in our portal, it will indicate you how many SMS it will require to be sent. This will be the most accurate way to understand the numbers.

As part of the SMPP specifications, when we receive a request that includes more than 160 characters we must split up the messages in order to send them. They will then be reassembled into a single message on most handsets.