Hi there,
the "Outgoing Call Failed" notify mail would be nicer with more details.
E.g. which user tried this call and cause for this fail .
[2021-06-15 11:29:34] Outgoing Call Failed. The call is from +493338398940 to 335000750 through trunk-Telekom-endpoint.
Local IP Address: 192.168.1.4
SN: 3693A14xxxxx