atcomsystems.ca/forum Forums TDM Business Telephone Systems Nortel Telephones & Systems DR5 no dial tone one line

By reset I meant STARTUP - Not my first preference. I will switch 01/02 as suggested.

This is a 3x8

I am curious though, I stated earlier about opening line 1 on any set, hearing the slight static of an open line, and calling in at the same time from external line, and then hearing a muffled ring twice, before line 1 closes.

Thanks, Rick