SIP Handset Phones - 'Invalid Account' Update

  • This issue has been resolved. Service restoration began midday on June 4th an has now been reported by Microsoft as fully resolved.

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    Previous Description (June 4, 2025 10:59):

    There is currently an issue affecting all SIP Handset devices. The problem has been acknowledged by the vendor, and they are actively working on the issue.

    This notification will be updated as more information becomes available.
  • Publish Date: June 5, 2025 22:54
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