Aircall change history: Outbound audio degradation for some SG customers

Aircall reported a major incident causing no audio on inbound or outbound calls for some Singapore customers, starting 2026-09-08 05:50 UTC and resolved at 2026-09-08 08:51 UTC; the computed duration was 3 h 0 min. Aircall attributed the issue to a partner and implemented a routing change before confirming resolution.