As Curly stated, in order to setup call forwarding on a single line set, you have to Flash/Link then press the * key before entering the feature code - if you are simply picking up the handset and dialing *, then you will get a busy signal as you are supposed to. If you Flash/Link * 4 and dial 9 plus the phone number with the assumptions that you have 4.1 or above and have programmed a route with "9" for line pool access then all should work fine.


www.highspeedtele.com
Dallas & Fort Worth, TX