rising-crimson•3mo ago
Urgent - sip trunk connection error - phone is not connecting
Please check why sip connection is not connecting
9 Replies
rising-crimsonOP•3mo ago
We are getting 401 message as unauthorized...but previously it was all working ok
Hi andrewboy777,
To troubleshoot your SIP trunk connection issue, here are some steps you can take:
1. Verify Whitelisted IPs: Make sure that the following IPs are allowlisted for SIP signaling and media:
-
44.229.228.186/32
- 44.238.177.138/32
- 172.31.9.106/32
Ensure your SIP provider uses a unique termination URI or a dedicated SIP server, as shared servers might lead to routing issues if IP-based authentication is used.
2. Check Call Ended Reason: Obtain the call ID of the failed attempt and check the call's endedReason
by retrieving the call data from Vapi:
- Use the API:
- Look for specific error codes that might indicate the issue, such as call.in-progress.error-sip-telephony-provider-failed-to-connect-call
.
3. Examine Configuration: Ensure your SIP trunk and phone number registrations are correctly configured in Vapi. Check for any misconfigured authentication details or incorrect SIP server addresses.
4. Review SIP Provider Logs: Check the telephony provider's dashboard for logs. Look for any error messages related to the SIP trunk configuration or call initiation.
Refer to the SIP Trunking Guide for detailed setup instructions and common troubleshooting steps. If you continue to face difficulties, consider examining specific configuration aspects that may have been overlooked.SIP Trunking | Vapi
How to integrate your SIP provider with Vapi
rising-crimsonOP•3mo ago
i need human help asap
other-emerald•3mo ago
Have you completed all the steps?
rising-crimsonOP•3mo ago
Yes
Are you human?
other-emerald•3mo ago
Yes i am
Send phone number ID..
foreign-sapphire•3mo ago
@andrewboy777 Is the problem solved? Let me know, We can connect over meet.
rising-crimsonOP•3mo ago
Yeah it is solved..is think you fixed it somehow internally;)
other-emerald•3mo ago
Glad it is fixed..