Swiss Company Sues AT&T and T-Mobile Over Voicemail Access and Toll-Free Calls Abroad

Humberto Saabedra

Swiss technology developer Starhome has filed suit against AT&T and T-Mobile alleging that both carriers have violated its patents centering on the use of shortcodes instead of the typical long number strings typically required for voicemail access while abroad and toll-free calling service provided by European car rental agencies provided to the aforementioned carriers.

Starhome has filed the suit in the state of Delaware and has involved another company by the name of Roamware based in San Diego California while seeking to block AT&T and T-Mobile from offering such services to its customers while traveling.  Neither AT&T nor T-Mobile have officially released comments relating to the suit.

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Journalist since 2006, initially covering the retail wireless sector before pivoting to anime and manga trade reporting in 2008. Founder and publisher of AnimeNews.biz (2008–2017), followed by a 13-year tenure at Crunchyroll News (2011–2024) and launching K-Comics Beat with Comics Beat in 2024. Now stripping away consumer noise to build independent, data-backed intelligence desks focused on cross-border licensing telemetry, production committee balance sheets, and industrial supply-chain forensics.

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