busy/DA call forwarding (busy/Don’t Answer) call forwarding)

A voice telephone system fea-

ture method that allows a station user to program the system to automatically forward calls from the primary, or target, station to another station or perhaps a voice mail system after if the station either is engaged (i.e., busy, or off-hook) or does not answer after a selectable number of rings. See also call forward.

74570c02.qxd 9/11/07 12:18 PM Page 74

• primary/secondary
• printed circuit
• printed circuit board (PCB)
• priority ringing
• PRI (Primary Rate Interface)
• privacy
• privacy key management (PKM)
• private automatic branch exchange (PABX)
• private branch exchange (PBX)
• Private Integrated Services Network (PISN)
• Private IP
• private IP address
• private key encryption
• private paging operator (PPO)
• private port
• Private Signaling System No. 1 (PSS1)
• Private UNI (Private User Network Interface)
• privatize
• procedure
• program
• program
• program file
• program file
• progressive scanning
• propagation