Adding or removing the dialling prefix on the DM300-DM475

Learn how to add or change the dialling prefix on the DM300c, DM400c, DM475 (G920) and DM300M, DM400M, DM475M (G922).
Products affected: DM300c™, DM400c™, DM475™ (G920), DM300M™, DM400M™, DM475M™ (G922)
Important: Analogue connections are no longer available as of 1st January 2023. Please order a SmartLink Device to maintain your connections to the Pitney Bowes Data Centre.

Am I digitally connected?

If you have a telephone lead connected to the analogue connection port, change your connection method to a digital connection.

Analogue connection port

UPDATED: 24 November 2022