OCNでんわ

OCNでんわ is a convenient Chrome extension app designed for users of the OCN Mobile ONE voice-enabled SIM from NTT Docomo. It enables affordable domestic calling by automatically routing calls through OCN Phone, reducing call charges to as low as 10 yen per 30 seconds without sacrificing call quality or your existing phone number.

Key features include seamless integration with your smartphone’s call history and contacts, multiple subscription plans including unlimited calls, 10-minute free calls, and special rates for top 3 frequent contacts. The app supports advanced functionality such as contact group settings, call history editing, and automatic prefixing for low-cost calls. Note that certain numbers and service calls are restricted.

OCNでんわ offers an efficient, user-friendly experience to reduce phone call expenses while maintaining reliable mobile communication through OCN Mobile ONE’s service.