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            SMS Length Calculation

            The length of the SMS is calculated as per the table below:

            GSM 7 Bit Alphabet

            No. of Characters in SMS Content
            No. of SMS Considered
            160 Characters (Standard SMS)
            1 SMS
            306 Characters (Multi-part SMS)
            (2 *153 characters)
            2 SMS
            453 Characters (Multi-part SMS)
            (3 *153 characters)
            3 SMS
            612 Characters (Multi-part SMS)
            (4 *153 characters)
            4 SMS
            765 Characters (Multi-part SMS)
            (5 *153 characters)
            5 SMS
            918 Characters (Multi-part SMS)
            (6 * 153 characters)
            6 SMS
            1071 Characters (Multi-part SMS)
            (7 *153 characters)
            7 SMS


            Unicode SMS Length Calculation (Language other than English)

            No. of Characters in SMS Content
            No. of SMS Considered
            70 Characters (Standard SMS)
            1 SMS
            134 Characters (Multi-part SMS)
            (2 * 67 characters)
            2 SMS
            201 Characters (Multi-part SMS)
            (3 * 67 characters)
            3 SMS
            268 Characters (Multi-part SMS)
            (4 * 67 characters)
            4 SMS
            335 Characters (Multi-part SMS)
            (5 *67 characters)
            5 SMS
            402 Characters (Multi-part SMS)
            (6 * 67 characters)
            6 SMS
            469 Characters (Multi-part SMS)
            (7 *67 characters)
            7 SMS

            Standard SMS of 1 SMS credit is 160 characters long which includes spaces.

            Multi-part SMS Message is defined when you use or send more than 160 characters SMS message. Though SMS are counted in multiples, but the SMS Message will be delivered as one single message to the Recipient’s Mobile.

            While sending SMS, GSM 03.38 Character Set is used. GSM 03.38 character set characterizes GSM 7 bit alphabet with extension table and GSM 8 bit data encoding.

            When sending SMS using non-GSM 03.38 characters, the SMS gets terminated as UNICODE Message. Even if you have a single non-GSM character, the whole message gets converted as unicode message.

            Basic character set: GSM 7 bit alphabet:

            @£$¥èéùìòÇ'Øø'ÅåΔ_ΦΓΛΩΠΨΣΘΞ'ÆæßÉ!"#¤%&'()*=,-./0123456789:;<=>?¡ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÑÜ'¿abcdefghijklmnopqrstuvwxyzäöñüà

            Extension table characters::

            |^€{}[]~

            The moment you use characters such as |^€{}[]~, then it will be considered as TWO Regular Characters

            For Example: When you use “Hello [Sumit] ^_^” then the total characters used are 21 with 7 bit encoding.
            Updated: 21 Apr 2019 09:51 PM
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