The text discusses the pros and cons of managing a Session Border Controller (SBC) in-house versus outsourcing it during a Microsoft Teams migration. It explains that while outsourcing can make the process easier and less expensive, some businesses may choose to manage their SBC in-house for various reasons such as legacy systems or existing contact center platforms. The text also provides information on what is required for a Teams Direct Routing migration and describes how an SBC works within Microsoft Teams. It concludes by encouraging readers to consider their options carefully based on their specific needs and circumstances.