FAQ

SMS Features

What happens if more than 70 double-byte characters or 160 characters are written in a single A2P SMS?

If the number of characters in one SMS exceeds the limit, it will be split into two or more concatenated SMS messages and sent separately.
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However, the SMS will be displayed as a single message on the user's cell phone.
Please note, the customer will be charged according to the number of concateneted SMS messages sent.

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Other

Is it necessary to specify the carrier when sending the API?

How will I know if my A2P SMS was sent?

If an A2P SMS is undeliverable, will it automatically be retried?

How much does it cost to send an A2P SMS?

Is it possible to send two-way SMS?

My SMS request was rejected due to invalid authentication. What should I do?

Is there a minimum base fee for the contract?

What happens if more than 70 double-byte characters or 160 characters are written in a single A2P SMS?

Is it possible to start a new line, and what is the number of bytes in that case?

Is it possible to use multiple Sender IDs?

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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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SMS Features

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Can A2P SMS be sent outside Japan?

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