Deleting Phone Numbers from the ESI-DEX:
Press PROGRAM Button
Press the HOLD Button
When it asks for your password enter:
Your password and then hit #
Then press 1 for System Functions
Then press 7 for System Speed Dial
Enter the speed dial (Access Code) Number that you want to delete. It will be a number between 600 and 699
Then press #
When you see the one you want to delete – press the HOLD button (this will delete the entry)