Below is an excerpt of the system log file with CRM relevant entries. Attached the full version.
2024/04/08 16:09:24.136|17504|0005|Verb|CRM: Not processed. Number=06xxx, connection=884, state=Dialing
2024/04/08 16:09:24.136|17504|0005|Verb|CRM: Add to processing. Number=06xxx, connection=884, state=Dialing
2024/04/08 16:09:24.136|17504|0005|Info|CRM: ProcessActiveConnections(). Attached entries to connection:
2024/04/08 16:09:24.136|17504|0005|Verb|CRM: LocalMatches=. Number=06xxx, connection=884, state=Dialing
2024/04/08 16:09:24.136|17504|0005|Info|CRM: Synchronize(...) called
2024/04/08 16:09:24.136|17504|0028|Info|CRM: maxConcurrency=2
2024/04/08 16:09:24.136|17504|0028|Info|CRM: making request to CRM. Number=06xxx
2024/04/08 16:09:24.136|17504|0028|Trac|CRM: Obtaining scenario entity order for entity ''
2024/04/08 16:09:24.136|17504|0028|Trac|CRM: Ordering configuration not found, using scenario entity order 0 for entity ''
2024/04/08 16:09:24.136|17504|0028|Verb|CRM: Processing scenario 'Default'.
2024/04/08 16:09:24.136|17504|0028|Verb|CRM: Creating new HttpClient for Basic authentication
2024/04/08 16:09:24.137|17504|0028|Verb|CRM: Performing GET request '
https://test.com:1234/sdata/ol/SDataContractProvider/Sage;1/Kontakt?nummer=06xxx'.
2024/04/08 16:09:24.137|17504|0028|Info|[System.Net.Http.HttpClient.Default.LogicalHandler] Start processing HTTP request GET
https://test.com:1234/sdata/ol/SDataContractProvider/Sage;1/Kontakt?nummer=06xxx
2024/04/08 16:09:24.137|17504|0028|Info|[System.Net.Http.HttpClient.Default.ClientHandler] Sending HTTP request GET
https://test.com:1234/sdata/ol/SDataContractProvider/Sage;1/Kontakt?nummer=06xxx
2024/04/08 16:09:24.306|17504|0028|Info|[System.Net.Http.HttpClient.Default.ClientHandler] Received HTTP response headers after 169.2968ms - 200
2024/04/08 16:09:24.306|17504|0028|Info|[System.Net.Http.HttpClient.Default.LogicalHandler] End processing HTTP request after 169.6164ms - 200
2024/04/08 16:09:24.306|17504|0028|Verb|CRM: The response is: '{"$updated":"2024-04-08T16:09:43+02:00","$descriptor":"Kontakt","Nummer":12167,"Vorname":"Nxxx","Nachname":"Hxxx","Matchcode":"SxxxK., Mannheim","EMail":""}'
2024/04/08 16:09:24.307|17504|0028|Verb|CRM: Filtered variables for matching:
2024/04/08 16:09:24.307|17504|0028|Verb|CRM: 'FirstName' = 'Nxxx'
2024/04/08 16:09:24.307|17504|0028|Verb|CRM: 'Email' = ''
2024/04/08 16:09:24.307|17504|0028|Verb|CRM: 'CompanyName' = 'SxxxK., Mannheim'
2024/04/08 16:09:24.307|17504|0028|Verb|CRM: 'LastName' = 'Hxxx'
2024/04/08 16:09:24.307|17504|0028|Verb|CRM: 'ContactID' = '1xxx'
2024/04/08 16:09:24.307|17504|0028|Verb|CRM: Removed from processing. Number=06xxx
2024/04/08 16:09:24.307|17504|0028|Info|CRM: processing of 06xxx has been finished
2024/04/08 16:09:42.410|17504|0005|Verb|CRM: call ended and contact lookup is complete, reporting call...
2024/04/08 16:09:42.411|17504|0031|Verb|CRM: Call Journaling event received, but CRM template doesn't implement the ReportCall scenario, discarding event.