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

– Status Display (optional)
– Door Phone (optional)
– Door Lock (optional)