meer sheikh
05/26/2025, 7:12 AMmeer sheikh
05/26/2025, 7:12 AMmeer sheikh
05/26/2025, 7:13 AMVapi Support Bot
05/26/2025, 7:14 AMcall.in-progress.error-sip-telephony-provider-failed-to-connect-call
error, please ensure you have allowlisted the following Vapi IP addresses in your SIP provider's firewall or network settings:
44.229.228.186/32
44.238.177.138/32
This step is required for SIP signaling and media to work between Vapi and your provider. After allowlisting, try your call again.
[See Vapi SIP trunking network requirements](https://docs.vapi.ai/advanced/sip/sip-trunk#network-requirements)
Sources:
- [Vapi SIP Trunking Network Requirements](https://docs.vapi.ai/advanced/sip/sip-trunk#network-requirements)
- [Vapi Call Ended Reasons](https://docs.vapi.ai/calls/call-ended-reason)Vapi Support Bot
05/26/2025, 7:14 AM44.229.228.186/32
and 44.238.177.138/32
) on your SIP provider's firewall or portal?
Sources:
- [Call ended reasons (Vapi documentation)](https://docs.vapi.ai/calls/call-ended-reason)
- [SIP trunk setup and network requirements (Vapi documentation)](https://docs.vapi.ai/advanced/sip/sip-trunk)Vapi Support Bot
05/26/2025, 7:15 AM44.229.228.186/32
and 44.238.177.138/32
) in your SIP provider's firewall or network settings?
This is often necessary for proper SIP signaling and media flow ([see documentation](https://docs.vapi.ai/advanced/sip/sip-trunk#network-requirements)).
Sources:
- [Vapi Call Ended Reasons](https://docs.vapi.ai/calls/call-ended-reason)
- [Vapi SIP Trunk Network Requirements](https://docs.vapi.ai/advanced/sip/sip-trunk#network-requirements)meer sheikh
05/26/2025, 7:18 AMVapi Support Bot
05/26/2025, 7:19 AMKyle Brunker
05/26/2025, 7:20 AMmeer sheikh
05/26/2025, 7:20 AMmeer sheikh
05/26/2025, 7:21 AMmeer sheikh
05/26/2025, 7:21 AMVapi Support Bot
05/26/2025, 7:21 AMVapi Support Bot
05/26/2025, 7:22 AMVapi Support Bot
05/26/2025, 7:22 AMsip.provider.com
) is correct in Vapi.
- Username/password (if used) are accurate.
- The phone number is linked to the correct SIP trunk credential.
If all details are correct and the issue persists, consider reaching out to Vapi support with your call ID for deeper investigation.
[See Vapi SIP trunk setup steps](https://docs.vapi.ai/advanced/sip/sip-trunk#setup-process)
Sources:
- [Vapi SIP Trunking Network Requirements](https://docs.vapi.ai/advanced/sip/sip-trunk#network-requirements)
- [Vapi SIP Trunking Setup Process](https://docs.vapi.ai/advanced/sip/sip-trunk#setup-process)Vapi Support Bot
05/26/2025, 7:23 AM77df13d4-0555-4b40-94ed-a7a487c955c7
) for deeper investigation.
Tip: Double-check that all changes have taken effect and no additional firewall or NAT rules are interfering with SIP traffic.
[See Vapi SIP trunking network requirements](https://docs.vapi.ai/advanced/sip/sip-trunk#network-requirements)
Sources:
- [Vapi SIP Trunking Network Requirements](https://docs.vapi.ai/advanced/sip/sip-trunk#network-requirements)
- [Vapi Call Ended Reasons](https://docs.vapi.ai/calls/call-ended-reason)Vapi Support Bot
05/26/2025, 7:24 AMbash
curl -X POST "https://api.vapi.ai/credential" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_VAPI_PRIVATE_KEY" \
-d '{
"provider": "byo-sip-trunk",
"name": "Your Trunk Name",
"gateways": [{ "ip": "your.sip.provider.com" }],
"outboundAuthenticationPlan": {
"authUsername": "YOUR_SIP_USERNAME",
"authPassword": "YOUR_SIP_PASSWORD"
}
}'
Double-check that all signaling IPs are included and credentials are correct. If the issue persists, please contact Vapi support with your call ID for deeper investigation.
Reference: [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)
Sources:
- [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)
- [Vapi Call Ended Reasons](https://docs.vapi.ai/calls/call-ended-reason)meer sheikh
05/26/2025, 7:56 AMVapi Support Bot
05/26/2025, 7:57 AMbash
curl -X POST "https://api.vapi.ai/credential" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_VAPI_PRIVATE_KEY" \
-d '{
"provider": "byo-sip-trunk",
"name": "Your Trunk Name",
"gateways": [{ "ip": "your.sip.provider.com" }],
"outboundAuthenticationPlan": {
"authUsername": "YOUR_SIP_USERNAME",
"authPassword": "YOUR_SIP_PASSWORD"
}
}'
If all details are correct and the error persists, please contact Vapi support with your call ID for deeper investigation.
Reference: [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)
Sources:
- [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)
- [Vapi Call Ended Reasons](https://docs.vapi.ai/calls/call-ended-reason)meer sheikh
05/26/2025, 8:06 AMVapi Support Bot
05/26/2025, 8:07 AMVapi Support Bot
05/26/2025, 8:08 AMmeer sheikh
05/26/2025, 10:27 AMVapi Support Bot
05/26/2025, 10:29 AMVapi Support Bot
05/26/2025, 10:29 AMmeer sheikh
05/26/2025, 10:40 AMVapi Support Bot
05/26/2025, 10:42 AMauthUsername
and authPassword
for your SIP provider.
Here's the code snippet for reference—replace with your actual values:
bash
curl -X POST "https://api.vapi.ai/credential" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_VAPI_PRIVATE_KEY" \
-d '{
"provider": "byo-sip-trunk",
"name": "Your Trunk Name",
"gateways": [{ "ip": "your.sip.provider.com" }],
"outboundAuthenticationPlan": {
"authUsername": "YOUR_SIP_USERNAME",
"authPassword": "YOUR_SIP_PASSWORD"
}
}'
If your credentials are set correctly and the issue persists, please contact Vapi support with your call ID for further investigation.
Reference: [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)
Source:
- [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)Vapi Support Bot
05/26/2025, 10:43 AMauthUsername
and `authPassword`:
bash
curl -X PATCH "https://api.vapi.ai/credential/YOUR_CREDENTIAL_ID" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_VAPI_PRIVATE_KEY" \
-d '{
"provider": "byo-sip-trunk",
"name": "Your Trunk Name",
"gateways": [{ "ip": "your.sip.provider.com" }],
"outboundAuthenticationPlan": {
"authUsername": "YOUR_SIP_USERNAME",
"authPassword": "YOUR_SIP_PASSWORD"
}
}'
After updating, test your call again. If the issue persists, contact Vapi support with your call ID for further investigation.
Reference: [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)
Source:
- [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)Kings_big💫
05/26/2025, 1:06 PMVapi Support Bot
05/26/2025, 1:07 PMauthUsername
and authPassword
as shown in the documentation, and if so, are you still seeing the same authentication error?
This will help determine the next troubleshooting step.
Source:
- [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)meer sheikh
05/26/2025, 2:23 PMVapi Support Bot
05/26/2025, 2:25 PMauthUsername
and authPassword
), and are you still seeing the same authentication error in your SIP provider's logs after doing so? This will help determine if the issue is with the credentials or if further investigation is needed.
If you have already updated them and the error persists, please let me know so I can suggest the next step.
Source:
- [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)Vapi Support Bot
05/26/2025, 2:25 PMbash
curl -X PATCH "https://api.vapi.ai/credential/YOUR_CREDENTIAL_ID" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_VAPI_PRIVATE_KEY" \
-d '{
"provider": "byo-sip-trunk",
"name": "Your Trunk Name",
"gateways": [{ "ip": "your.sip.provider.com" }],
"outboundAuthenticationPlan": {
"authUsername": "YOUR_SIP_USERNAME",
"authPassword": "YOUR_SIP_PASSWORD"
}
}'
After updating, test your call again. If the call still does not connect, please contact Vapi support with your call ID for further investigation.
Reference: [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)
Source:
- [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)Vapi Support Bot
05/26/2025, 2:25 PMauthUsername
and authPassword
, and are you still seeing the "No auth credentials for any realms in context" error when attempting to connect?
This will help determine the next troubleshooting step.
Source:
- [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)Nir S (CEO/Founder @Cloudonix)
05/26/2025, 4:25 PMVapi Support Bot
05/26/2025, 4:27 PMauthUsername
and authPassword
. Use the following command (replace with your actual values):
bash
curl -X PATCH "https://api.vapi.ai/credential/YOUR_CREDENTIAL_ID" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_VAPI_PRIVATE_KEY" \
-d '{
"provider": "byo-sip-trunk",
"name": "Your Trunk Name",
"gateways": [{ "ip": "your.sip.provider.com" }],
"outboundAuthenticationPlan": {
"authUsername": "YOUR_SIP_USERNAME",
"authPassword": "YOUR_SIP_PASSWORD"
}
}'
After updating, test your call again. If the issue persists, please contact Vapi support with your call ID for further help.
Source:
- [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)Vapi Support Bot
05/26/2025, 4:27 PMauthUsername
and authPassword
.
Use the following command (replace placeholders with your actual details):
bash
curl -X PATCH "https://api.vapi.ai/credential/YOUR_CREDENTIAL_ID" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_VAPI_PRIVATE_KEY" \
-d '{
"provider": "byo-sip-trunk",
"name": "Your Trunk Name",
"gateways": [{ "ip": "your.sip.provider.com" }],
"outboundAuthenticationPlan": {
"authUsername": "YOUR_SIP_USERNAME",
"authPassword": "YOUR_SIP_PASSWORD"
}
}'
After updating, test your call again. If the issue persists, please contact Vapi support with your call ID for further investigation.
Reference: [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)
Source:
- [Vapi SIP Trunk Setup](https://docs.vapi.ai/advanced/sip/sip-trunk)meer sheikh
05/26/2025, 8:01 PM