Changing the dialing prefix on the DM100i and DM125

Learn how to change the dialing prefix on the DM100i and DM125.
Products affected: DM100®i and DM125™
Some businesses require a dialing prefix, such as an 8 or a 9, to reach an outside line. Other businesses require a pound (#) sign or a star (*) in front of the dialing prefix.

Follow these steps to add a dialing prefix:
  1. Press Options.
  2. Press Page Down twice.
  3. Select Connect-Data Center.
  4. Select Phone Parameters.
  5. Select Dialing Prefix.
  6. Type in the prefix number needed. To input special characters such as a # or *, press the 1 key repeatedly.
  7. Select Continue.
  8. Press the Home key to return to the home screen.

UPDATED: 14 August 2021

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