I have a Mitel 3300ICP running MCD v5 but the unit has IP sets and 5610 SIP Phones. The client would like to have button appearances for the incoming analog lines (yes POTS). They would also like to have the same buttons or alternate buttons act as direct CO line access without having to dial "9". So if they select the CO line button (i.e. Line 1) they can just dial the number of any outside caller. How would I complete this programming?