Normally when we talk about SMS, we are talking about short message. And short message can divided as P2P or A2P message.

P2P message,short for person to person message.
A2P message,short for Application to person message.
When we talk about 2 way SMS marketing, mostly it comes with A2P sms. In SMS campaign events, when you want your customers to participate in your SMS marketing, two-way SMS is the best choice. Two-way SMS allows your customers to respond to your messages, provide feedback, confirm their customer details, or OTP out of simple things like SMS marketing.
For example, you can set some keywords to allow your customer reply simply as “yes”or “no”to get the next step of information.You can also set the auto-reply messages based on keywords, to avoid human mistakes.
To know more about the SMS marketing, check this: Some Facts About SMS Marketing Solutions.
Two way SMS marketing allows you to establish contact with your customers, send important notices, and collect their feedback in a timely manner. It works like a real-time chat tool, it allows you to set a leaving message to communicate to your customers that you have left and will contact them soon.
You can go to this article: Look for Text Message Marketing Companies? to know about the leading SMS marketing platforms in the world.
