Sewan Trunks Unregistered Intermittently

[tech_hocl]

We are experiencing an issue where some of our SIP trunks intermittently go to an "Unregistered" state. This affects the functionality of our phone system as calls cannot be made or received during these periods.

Details:

1. 3CX Version: v20
2. Affected Trunks: Sewan and Beetechnology
3. Internet Connection Status:
   • Verified stable connection.
   • No packet loss or latency issues observed.
4. Provider Status:
   • Confirmed with the provider that there are no issues on their end.
   • No outages or maintenance reported.
5. Frequency of Issue: approximately twice a day
6. Recent Changes: Update to V20 U3

Troubleshooting Steps Taken:

• Restarted the 3CX services and the server.
• Verified firewall and NAT rules for the SIP provider.
• Checked SIP provider's registration logs, and no issues were reported.

Logs: I will send the logs on private

Request:
Please investigate this issue and provide guidance on resolving it. Let me know if additional information or diagnostics are needed.

 

[tech_hocl]

Hello,

Can someone please help on this issue.

 

[YiannisH_3CX]

Hello @tech_hocl

Do you experience the same issue with all your trunks or specific ones? How many trunks do you have?
Have you run the firewall checker from the PBX? If so does everything pass?

 

[tech_hocl]

No only specific Trunk (Sewan and Beetechnology) and I have checked with the provider and no issue on their side.

I have also done a firewall checker and everything is fine. It happens only 2 or 3 times a week at random time.