Mobile number portability in Japan: SoftBank’s Zero YEN campaign

Mobile number portability was the major factor forcing Vodafone out of Japan MNP is the first challenge for SoftBank Mobile – read how SoftBank approaches the MNP battle Mobile number portability (MNP) was introduced in Japan on October 24, 2006. Mobile number portability means that Japanese cell-phone subscribers (excluding PHS subscribers) can move their subscriptions […]

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