If the activity history is not registered in Salesforce, the following causes are possible, such as Salesforce activity history integration. Please try each solution.
The activity history is registered in another record with the same phone number.
If there are multiple records with the same phone number in Salesforce, it is possible that another record with the same phone number is registered as a related party.
If you are unable to see the activity history in Salesforce, please click the "Salesforce Activity History" link in the upper right corner of the MiiTel Analytics call history to see if the activity history is available.
Activity History Registration Settings are Disabled.
Salesforce Activity History Integration to make sure your settings are valid.
There is an error during Salesforce integration