-> Call Pick-up -> Ring Hopping -> Trunk Transfer -> Trunk Blocking -> Music on Hold -> Status Indication -> Complete Privacy -> Executive Override -> Tone/Pulse Dialing -> Distinctive Ringing -> Door Lock Interface -> Internet Accessibility -> Trunk Access Hunting -> Trunk Access Selective -> Door Bell Connectivity -> External Music Interface -> Night Service Operation -> Computer status Display -> Trunk Camp-on Selective -> Door Phone Connectivity -> Unattended Trunk Ring Back -> Trunk Diversion on Power Failure -> Programming Through Telephone Set