When making outbound calls, randomly get Server Error log and the call disconnects

cyberone

Bronze Partner
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Mar 3, 2011
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We are having an issue where every so often, an outbound call is not able to be made and the issue reported as "Server Error". Currently running 3CX SMB Version 20.0 Update 6 (Build 724). It is a small site with 1 Fanvil X5Uv2 (Router Phone), a Grandstream HT802 and Yealink W70B DECT Phone. It is currently using this server https://1154.3cx.cloud/

This is one example of the log entry:
Dialed: (xxxxxxx582) → Via rule: Mobile and National calls (xxxxxxx582) → Via trunk: AFMW_Aatrox (xxxxxxx582) → Server error

It does not happen all the time, maybe every 5th call but it is enough to cause complaints. I am not sure what the issue is as this version has very limited logs. Any help into how to resolve this issue would be greatly appreciated.
 

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