Title: Users are unable to join some Microsoft Teams meetings through the "Join" button in the meeting chat User impact: Users are unable to join some Microsoft Teams meetings through the "Join" button in the meeting chat. More info: While we're focused on remediation, users may be able to join meetings through meeting URLs. Current status: We collected reproduction logs of the issue and are analyzing them to understand the source of the issue and determine our next troubleshooting steps. Scope of impact: This issue may potentially impact any user attempting to join affected meetings through the "Join" button in the meeting chat. This information may be updated as our investigation continues. Next update by: Thursday, February 12, 2026, at 1:00 PM UTC
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Update - We are continuing to investigate this issue. Jan 15, 2026 - 12:26 PST
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We continue to experience SMS delivery delays on the Altice network for a subset of Short Codes, Long Codes, and Toll-Free numbers in the United States of America. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 4 hours or as soon as more information becomes available
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Monitors
Users are unable to join some Microsoft Teams meetings through the "Join" button in the meeting chat
Microsoft Teams CSC
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NetSuite
SMS Delivery Delays to Altice Network for a Subset of Short Codes, Long Codes and Toll-Free Numbers in United States of America.
