Realtime SIP: accept returns 404 call_id_not_found on every inbound call since 2026-09-10 (worked for months)

· Community Openai · Sept. 11, 2026, 4:51 a.m.
SIP openai inbound calls error handling
Summary
The blog post discusses issues faced with inbound calls labeled as '404 call_id_not_found' since September 10, 2026, affecting functionality and user experience, particularly highlighting a need for warnings about such changes from support teams.
Read full post on community.openai.com →
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