I have an Electra Professional Level II system and using ETW-16DC-1 telephone. when I hit the FNC key and press Line 1 on the phone I get the message Vacant.I do the same with Line 2 and then it displays CO Line 01. How do you program Line 1 to be CO line 01 and Line 2 to be CO Line 02? This...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.