What information should be confirmed with the customer when porting telephone numbers?

When porting telephone numbers, it is essential to confirm the number of telephone lines that are being installed and their associated telephone numbers because this ensures that the correct numbers are transferred from one service provider to another. This process is crucial in maintaining service continuity and avoiding disruptions for the customer. Each telephone line typically has its own unique number, and failure to accurately identify both the quantity and the specific numbers could lead to issues such as incomplete transfers, misdirected calls, or loss of service for some lines.

While the other aspects of the telephone setup, such as the type of phone being installed, the location of installation, and the brand of telephone equipment, are important operational details, they do not directly influence the number porting process. The primary concern during porting is ensuring that the correct numbers are matched with the appropriate service accounts. Thus, confirming the number of lines and their corresponding numbers is paramount to a successful porting operation.