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Configure Twilio Elastic SIP Trunking for OpenAI
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0
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57
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September 23, 2026
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Api-realtime SIP Refer not reaching far end
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2
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149
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September 14, 2026
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Do not get response from SIP invite from our SBC
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1
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77
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September 10, 2026
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SIP Realtime calls unexpectedly failed with 404 without any changes on our side (fixed by recreating webhook)
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0
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106
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September 10, 2026
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RFC5922 prohibits wildcard TLS certificates in SIP but sip.api.openai.com uses a wildcard certificate
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0
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94
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August 3, 2026
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Realtime SIP caller hangup still drops final input transcription events
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6
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319
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May 19, 2026
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Realtime API SIP inbound calls failing again before webhook dispatch
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21
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1107
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May 18, 2026
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Realtime session continues after Twilio SIP No Answer
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3
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279
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April 22, 2026
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Realtime api error 504 on call accept sip
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4
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208
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April 17, 2026
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Realtime SIP call ended unexpectedly while caller was still speaking (Twilio -> OpenAI SIP, child leg completed with 200)
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1
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148
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April 13, 2026
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Realtime model over sip: Advice for logging agent audio packets
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3
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181
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March 9, 2026
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SIP: Caller hangup closes session WebSocket immediately, preventing event draining + early-hangup calls still accepted
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5
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365
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February 21, 2026
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Realtime model (SIP) VAD issues during first seconds of the call (greeting)
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0
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260
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February 12, 2026
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Specifying project id as user param instead of username in SIP request URI
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0
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75
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February 11, 2026
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Twilio - OpenAI SIP Trunk calls failing with '400 Bad Request' error
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24
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1376
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January 28, 2026
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Realtime API unreliable over SIP
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9
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1318
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January 17, 2026
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No response for SIP INVITE
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3
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169
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November 24, 2025
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SIP call termination in OpenAI Realtime API with Agents SDK?
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1
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226
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November 21, 2025
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Realtime API SIP Calls Failing with 403 Forbidden
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2
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268
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November 15, 2025
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[BUG] SIP Realtime API - No Audio Output, Phantom Audio Input (Broken Oct 18-22, 2025)
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27
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1027
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October 28, 2025
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Realtime API with SIP - wrong SIP protocol type in Contact header (SIPS)
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0
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102
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October 28, 2025
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OpenAI Realtime API SIP REFER Endpoint Returns 500 Internal Server Error
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19
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763
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October 10, 2025
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