Gửi tin nhắn SMS miễn phí

Step 1: Go to http://www.pinger.com/textfree/ and choose "Creat Account"
Step 2: Type your information (name,email,...)
Step 3: Type the zipcode of your country. Or just type 12345.
Step 4: Choose the number you like in the number list.
Step 5: Goto your email to verify the account.
Step 6: Login and Click to "+" button to send sms to a number.

Note: a number must have "+" and "your country's code" (example: +849123456789)

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