The Ultimate Guide to Effective SMS Blasting

Sending out an SMS blast allows you to establish a direct connection with your customers quickly and effectively.

SMS messages can be personalized and targeted to specific audiences, making them more relevant and engaging. To ensure consistency and prevent errors or unusual characters in your SMS, adhere to the guidelines below.


  1. Directly Type Your SMS Content:
    • Always type your SMS content directly into the SMS broadcast field to avoid issues with unsupported characters or formatting.
  2. Use Standard Characters Only:
    • Use only standard GSM characters. These include:
      • Uppercase letters (A-Z)
      • Lowercase letters (a-z)
      • Numbers (0-9)
      • Basic punctuation marks such as:
        • Period (.)
        • Comma (,)
        • Exclamation mark (!)
        • Question mark (?)
        • Colon (:)
        • Semicolon (;)
        • Hyphen (-)
        • Apostrophe (')
        • Parentheses (())
        • Ampersand (&)
        • At symbol (@)
        • Dollar sign ($)
        • Percent sign (%)
        • Plus sign (+)
        • Equal sign (=)
        • Asterisk (*)
        • Forward slash (/)
        • Backslash ()
        • Quotation marks (" ")


  1. Refrain from Using Emojis:
    • Emojis may not display correctly on all devices and can cause encoding issues. Stick to text-based characters only.
  2. Avoid Copy-Pasting Your SMS Content:
    • Copy-pasting content can introduce hidden characters or formatting that may not be supported by all mobile phones, leading to display issues.

Benefits of Following These Guidelines

  • Consistency: Ensures your SMS looks the same across all devices.
  • Compatibility: Prevents errors on both Android and iPhone devices.
  • Professionalism: Maintains a professional appearance in your communications.

By following these do’s and don’ts, your SMS broadcasts will be more effective, reaching a wider audience without technical difficulties.

Additional Tips

  • Keep It Short and Clear: SMS messages have a character limit (typically 160 characters). Be concise and to the point.
  • Include a Call to Action (CTA): Encourage your recipients to take action, such as visiting your website or replying to the message.
  • Timing: Send your SMS blasts at times when your audience is most likely to read them, avoiding late nights or early mornings.

By adhering to these guidelines and tips, you can maximize the impact of your SMS campaigns and maintain clear, effective communication with your audience.