The Number of Characters allowed in an SMS
Written by B3Networks Academy
Updated at June 7th, 2023
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Table of Contents
SMS Content
One SMS can have a maximum of 160 ASCII characters or 70 Unicode characters. If there are more than 160 characters, a charge for multiple SMS will be applied.
Message character limits and number of SMS required:
1 SMS required |
2 SMS required |
3 SMS required |
|
|---|---|---|---|
ASCII |
160 characters or less |
306 characters or less |
459 characters or less |
Unicode |
70 characters or less |
134 characters or less |
201 characters or less |
NOTE
Special characters such as Chinese may be considered more than 1 character.
The following ASCII characters counts as 2 characters when determining message length
| ASCII characters | |
|---|---|
| \n | Line feed |
| [ | Left square bracket |
| ] | Right square bracket |
| \ | Backslash |
| ^ | Circumflex accent |
| { | Left curly bracket |
| } | Right curly bracket |
| | | Vertical bar |
€ |
Euro sign |
Forbidden Content
Spam SMS is forbidden by Singapore Law. Following that, we used Keyword as a barrier:
- Common keywords considered as spam, both lowercase, and uppercase
- Illegal content (gambling-related, fraud, scam, spam, sexual, etc)
- Sensitive content (political-related, fake news, etc)
are not allowed to be delivered.
Example:
- fast loan, fast cash, interest rate, repayment, ready cash, installment, up to 100k, cash, c@sh
- $10000, $20000, $30000, $40000, $50000, $60000, $70000, $80000, $90000, $100000, $$$
- loan, lo@n, lo@ns, l0an, l0@n, lo@ns, loan:, lo@n:, lo@ns:, l0an:, l0@n:, lo@ns:
- easy bet, casino, betting, casino-jackpot, c@sino, c@sin0, b3tting,
- hot models, SYT, massage babes, GND, online love, dating