The! messaging app that comes standard on the iPhone has a feature called iMessage that allows users to send emails!images! videos! and more between iPhone users in addition to SMS.
Therefore, when sending SMS to a device other than an iPhone! you may accidentally add a subject or image to the message. Since SMS does not allow messages with subjects or images, you may get an error or the message may not be delivered to the recipient, so be careful.
You are using a foreign SMS service
If you are using an overseas SMS service, the recipient’s settings may be blocking international SMS. By default, you can receive international SMS, but many people have their settings blocked to prevent spam from overseas. To receive SMS, you will need to ask the recipient to change their settings, but once a block has use google keyword planner to find new opportunities been set, it is rare for them to unblock it just for one message.
For these reasons whatsapp lead we recommend that those who use overseas SMS services switch to domestic SMS delivery services. KDDI Message Cast allows for SMS delivery and + message delivery with “0 yen initial cost” and “0 yen flat rate.” It can be used simply by connecting with the existing system currently dating data in use through API, so no system development is required for migration. With a direct domestic connection, you can connect directly to each carrier.
which increases the stability and delivery rate of SMS.
Currently, the introduction of “domestic direct connection” types that directly connect to domestic carriers is becoming mainstream, so if you are considering changing or introducing an SMS delivery service, please contact us.