What kinds of software have low fees, and introduce them in detail?

It is more convenient to use MSN directly, otherwise it may be convenient for you to send text messages with a certain software, but the other party may not be convenient. /

Or look at this:

You can try: 15 international SMS is free every day.

Step 1: Open the website in a browser. First, new users should register their mobile phones.

Step 2: The registration page appears, where you can enter your name, gender, date of birth, email address and mobile phone number, and then submit it after confirmation. Soon your mobile phone will receive the SMS verification code, and you can successfully complete the registration after entering it.

Step 3 Log in with your own account. At this time, the "Send Free SMS" window will open, fill in the phone number and information content of the other party respectively, and click Send to send it. Special reminder is that you must add the country code before the other party's number, for example, China is +86.