FP optimail Operator's Manual page 59

Example 2:
Main line with pulse dialling method (PD)
Outside dialling parameters
Appendix - Setting the outside dialling parameters for the modem
Main line: You do not have to dial a digit (e.g. "0") or
press the R key to dial into the public telephone
network (outside line seizure).
You will recognise pulse dialling from the "clicking"
heard when dialling.
This is how you set the outside dialling
parameters:
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