The @fcc is launching an investigation. We're demanding answers—and so are american. Verkkoan international roaming outage is leaving customers of the three major us mobile carriers in the dark, making it difficult or impossible for american. Verkkoat&t’s widespread outage that left thousands without service for hours thursday was likely caused by a process error — not a cyberattack, the. Verkkoat&t says the hourslong outage to its u. s. Cellphone network appeared to be the result of a technical error, not a malicious attack. Verkkoat&t customers woke up thursday morning to realize they couldn’t make any phone calls. More than 70,000 customers were without cellular service.
