Use this option to set the minimum required duration of the T1 circuit receive Dial Pulse Make signal
(i.e., relay closed). This is the minimum “on” time in a Dial Pulse digit. Set this timer for compatibility
with the T1 service provider. Keep in mind that there are three components of a Dial Pulse digit: Make
interval, Break interval and Interdigit interval. An improper setting may cause misdialing.