The Customer Effort Score (CES) is the best-suited KPI for measuring the amount of effort a customer has to expend to get their issues resolved. CES is specifically designed to gauge the ease of service interaction, directly reflecting how easy or difficult it is for customers to achieve their goals. Monitoring CES helps in understanding the operational effectiveness in minimizing customer struggle, thus making "C. Customer Effort Score (CES)" the ideal choice for measuring customer effort during interactions.
Reference: Salesforce Blog on Customer Effort Score

Considering the need for proactive communication with customers who have previously contacted the company, SMS is the most effective messaging channel. SMS allows Ursa Major Solar to reach out directly to customers' mobile phones, ensuring high readability and immediate delivery of important messages. SMS is widely accessible and does not require internet connectivity, making it a reliable channel for mass communication, especially in urgent scenarios.

Monitoring Omni-Channel routing effectiveness and agent workload can be effectively accomplished using multiple tools: A. Omni-Channel dashboards provide a real-time view of agent activities and the distribution of tasks in their queues.
B: Supervisor Console offers insights into individual agent statuses, their current tasks, and performance metrics.
C: Agent Workbench displays assigned tasks and workload across various channels, helping manage and distribute workload effectively.
These tools collectively help in optimizing routing by providing a comprehensive understanding of agent workload and queue status.

Integrating social media channels into Omni-Channel requires a blend of Salesforce capabilities: A. Salesforce Social Studio manages engagement and inquiries across social media platforms.
B: Flow Builder allows for the creation of automated processes that respond to social media interactions.
C: Omni-Channel routing rules can be configured to direct social media messages to the most appropriate agents based on the content and context.
This combination of tools facilitates effective integration and management of social media interactions within a Contact Center environment.

A phased migration approach, where specific subsets of data (both active and historical customer data) are migrated in stages, balances efficiency and minimal disruption. This strategy allows continuous operation of both legacy and new systems during the transition phase, minimizing downtime and service interruptions. It also provides opportunities to address issues on a smaller scale before they affect the entire dataset.