au launched a "Second Number" service for 550 yen per month, allowing users to obtain an additional phone number for different use cases.
- •A service allowing users to obtain an additional phone number separate from their main line is offered for 550 yen per month.
- •Users can switch numbers based on use cases such as work, hobbies, or various registrations.
- •A system has been introduced to manage multiple phone numbers on a single smartphone.