VAPI•5mo ago

BYO SIP Trunk media stream IP address different

I try to configure BYO SIP trunk. We whitelisted two IPs from the VAPI documentation 44.229.228.186/32 and 44.238.177.138/32. We receive incoming calls in VAPI, but we cannot establish media stream, because VAPI establish it from different IPs, always random. Could u provide the list of all media IPs.

broad-salmon•8/20/25, 4:51 PM

Use the telnyx api address not the sip.telnyx.com

VapiAPP•8/22/25, 6:31 AM

Hi Valentyn,

For your issue with the SIP trunk's media stream, ensure that you've configured the necessary network settings. Specifically, make sure to allowlist the IP addresses used exclusively for SIP traffic, which are:

44.229.228.186/3244.229.228.186/32
44.238.177.138/3244.238.177.138/32

Please make sure to use the Telnyx API address instead of sip.telnyx.com when setting up the connection. These settings should help in resolving any discrepancies with the media stream IP addresses. If you are using any specific provider, ensure you follow their unique requirements for SIP configuration. You can find more details in the SIP Trunking documentation.

BYO SIP Trunk media stream IP address different

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