Feature Guide 131.25.1 Portable Station (PS) Connection.................................................................................. 2911.25.2 PS Ring Group .............................................................................................................. 2931.25.3 PS Directory .................................................................................................................. 2961.25.4 PS Feature Buttons ....................................................................................................... 2971.25.5 Wireless XDP Parallel Mode.......................................................................................... 2981.25.6 Virtual PS ...................................................................................................................... 3011.26 Administrative Information Features......................................................................... 3031.26.1 Station Message Detail Recording (SMDR) .................................................................. 3031.26.2 Printing Message........................................................................................................... 3111.26.3 Call Charge Services..................................................................................................... 3121.27 Hospitality Features .................................................................................................... 3151.27.1 Hospitality Features—SUMMARY ................................................................................. 3151.27.2 Room Status Control ..................................................................................................... 3161.27.3 Call Billing for Guest Room ........................................................................................... 3191.28 Extension Controlling Features ................................................................................. 3221.28.1 Extension Personal Identification Number (PIN) ........................................................... 3221.28.2 Extension Feature Clear................................................................................................ 3241.28.3 Walking Extension ......................................................................................................... 3261.28.4 Timed Reminder ............................................................................................................ 3271.29 Audible Tone Features ................................................................................................ 3291.29.1 Dial Tone........................................................................................................................ 3291.29.2 Confirmation Tone ......................................................................................................... 3311.30 Networking Features ................................................................................................... 3331.30.1 TIE Line Service ............................................................................................................ 3331.30.2 Voice over Internet Protocol (VoIP) Network ................................................................. 3571.30.3 Virtual Private Network (VPN) ....................................................................................... 3601.30.4 QSIG Standard Features............................................................................................... 3621.30.4.1 QSIG Standard Features—SUMMARY .........................................................................................................3621.30.4.2 Calling/Connected Line Identification Presentation (CLIP/COLP) and Calling/Connected Name IdentificationPresentation (CNIP/CONP)—by QSIG ..........................................................................................................3641.30.4.3 Call Forwarding (CF)—by QSIG ....................................................................................................................3661.30.4.4 Call Transfer (CT)—by QSIG .........................................................................................................................3681.30.4.5 Completion of Calls to Busy Subscriber (CCBS)—by QSIG..........................................................................3701.30.5 QSIG Enhanced Features ............................................................................................. 3711.30.5.1 Network Direct Station Selection (NDSS)......................................................................................................3711.30.5.2 Centralised Voice Mail ...................................................................................................................................3761.30.6 Network ICD Group ....................................................................................................... 3791.30.6.1 PS Roaming by Network ICD Group..............................................................................................................3811.31 IP Proprietary Telephone (IP-PT) Features................................................................ 3831.31.1 IP Proprietary Telephone (IP-PT) ................................................................................. 3831.32 Computer Telephony Integration (CTI) Features ...................................................... 3851.32.1 Computer Telephony Integration (CTI) .......................................................................... 3851.32.2 PC Phone/PC Console .................................................................................................. 3881.33 Cellular Phone Features ............................................................................................. 3901.33.1 Cellular Phone Features—SUMMARY .......................................................................... 3902 System Configuration and Administration Features .......................3912.1 System Configuration—Hardware ............................................................................. 3922.1.1 Extension Port Configuration......................................................................................... 3922.2 System Configuration—Software .............................................................................. 3942.2.1 Class of Service (COS) ................................................................................................. 3942.2.2 Group............................................................................................................................. 396