Data migration is the process of transferring data from one system to another1.
Data migration in Salesforce requires careful planning, preparation, and execution234.
Data migration best practices include setting up a data governance plan, focusing on data quality, creating templates, verifying proper transfer, and using appropriate tools2356.

Review the established and planned dataflows to understand where the systems of record sit and where data is transported to already. This is an important step to assess the current state of data integration and identify any gaps or challenges that might affect the reporting solution.
Identify key drivers and high-level data scope behind the need for a consolidated reporting. This is an essential step to understand the business requirements and expectations for the reporting solution, as well as the key metrics and KPIs that need to be measured and reported on.
Review the system landscape to identify other existing solutions for reporting and start to investigate high-level cost impacts (incl. licenses aspects) for the most viable. This is a useful step to explore the possible options for delivering a consolidated reporting solution, such as using existing tools or platforms, building a custom solution, or leveraging third-party solutions. It also helps to estimate the costs and benefits of each option.

Marketing Cloud, with its MobileConnect application, is the recommended solution for sending text messages at scale, tracking open and click-through rates, and integrating with marketing campaigns. MobileConnect provides SMS capabilities that can support UC's global support model and marketing needs, offering features similar to those available for email campaigns. Salesforce Marketing Cloud documentation describes how MobileConnect can be used for such requirements.