thats mean if i define for one line an extension number 1000, after thar i define new float numbers as 1001, 1002, 1003,..
if have acall for 1000 when dial 1001 whats the result busy or ringing
really complete H4K Basic course for V6 but don;t take this features,
still waiting your openion regarding how to implement Automatic call waiting on analog phone,
regarding the phones with key its OK as you describe before,