The 1990s marked the advent of mobile phones in Japan, which necessitated a new system for numbering. Mobile phone numbers were assigned distinct prefixes, such as “090,” to differentiate them from landline numbers. **The Mobile Revolution (1990s):** This period also saw the introduction of 11-digit phone numbers, as […]
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Organizations to allow customers to contact them without incurring charges, while premium-rate numbers are typically used for services that involve a fee, such as technical support lines or ticketing services. **Toll-Free and Premium Numbers:** Japan also utilizes toll-free numbers (beginning with “0120”) and premium-rate numbers (often starting with “0570”). […]
As IoT continues to grow, SMS may play a role in providing timely and reliable communication between devices and users. ### 4.2 SMS and IoT (Internet of Things) The proliferation of IoT devices presents new opportunities for SMS. SMS can be used for notifications and alerts from connected […]
