In Japan, we have direct connections with local operators.
Sender ID Restrictions
|Can I send with a name/letters as the sender?||No||The sender will be overwritten to a long code|
|Can I send with an international number as the sender?||Yes|
|Can I send with a local number as the sender?||No||The sender will be overwritten|
|Can I send a message with over 160 characters as 1 SMS?||No||Messages will be delivered as separate SMS|
Unfortunately, delivery reports from Japanese numbers are unreliable and can be fake.
It is not allowed to add URLs in your messages. Any messages that contain a weblink are classified as illegal and are either discarded completely or a part of the illegal text will be removed.
Because Japanese characters are not supported by the regular character set, messages with Japanese characters can contain a maximum amount of 65 (single message)
|DoCoMo||A maximum of 160 bytes/160 standard characters per SMS applies|
|Softbank||A maximum of 160 bytes/160 standard characters per SMS applies|
|KDDI||A maximum of 100 bytes/100 standard characters per SMS applies|