FAQ

SMS Overview

Why is the cost different between A2P SMS and P2P SMS?

A2P (Application to Person) SMS and P2P (Person to Person) SMS have different purposes.

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Since A2P SMS is intended for business purposes, the P2P SMS route is not used when messages are sent.
Messages are sent over A2P SMS-only routes.
Mobile network operators (MNOs) incur costs to maintain these routes, The MNO costs to maintain these routes and charge accordingly.

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Other

What kind of content can be sent in an SMS?

What is the connection method to the API?

What kind of Sender ID are supported?

Why was my A2P SMS rejected?

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SMS Overview

Are A2P SMS and P2P SMS the same?

To which handsets can SMS be sent? Are there any handsets that cannot receive them?

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Can I send promotional/marketing A2P SMS?

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Can A2P SMS be sent outside Japan?

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