When creating new custom fields in SAP Service Cloud V2, the Data type is mandatory to define the type of data the field will store (e.g., text, number, date). The Label is also required to provide a name or description for the field, ensuring clarity for users. According to SAP documentation, "When creating custom fields, administrators must specify the data type and label as mandatory attributes." Searchable (A) and Sortable (B) are optional attributes that can be enabled based on business needs but are not mandatory.
Reference:
SAP Help Portal: Custom Field Creation in SAP Service Cloud V2
SAP Community: Extension Fields in Service Cloud

To enable CTI (Computer Telephony Integration) with automatic creation of interaction logs in the Agent Desktop, administrators must Enable Activity Creation to ensure interactions (e.g., calls) are logged automatically. Additionally, Maintain Provider ID is mandatory to identify the CTI provider and establish the integration. According to SAP documentation, "Enabling Activity Creation and maintaining the Provider ID are required steps to configure CTI for automatic interaction logging." Maintaining mapping table (A) is optional and depends on specific integration requirements. Enabling Microsoft Teams Integration (D) is unrelated to CTI interaction logs.
Reference:
SAP Help Portal: CTI Integration in SAP Service Cloud V2
SAP Community: Configuring Interaction Logs for CTI