DeeJay
02/27/2026, 12:44 AMVapi Support Bot
02/27/2026, 12:45 AM44.229.228.186 and 44.238.177.138) are whitelisted as described in the [Vapi Twilio SIP integration guide](https://docs.vapi.ai/advanced/sip/twilio)?
This will help narrow down whether the problem is related to configuration or something else post-outage.
Source:
- [Vapi Twilio SIP integration guide](https://docs.vapi.ai/advanced/sip/twilio)DeeJay
02/27/2026, 12:47 AMVapi Support Bot
02/27/2026, 12:47 AMDeeJay
02/27/2026, 12:48 AMVapi Support Bot
02/27/2026, 12:49 AMChiranjeet Mishra
03/02/2026, 11:32 PM