Table of Contents iii
Call Budget on Trunk ...................................................................................................................................... 608
Call Chaining ................................................................................................................................................... 613
Call Cost Calculation (CCC) ............................................................................................................................ 615
Call Cost Display ............................................................................................................................................. 640
Call Duration Control (CDC) ............................................................................................................................ 641
Call Duration Display ....................................................................................................................................... 649
Call Forward .................................................................................................................................................... 650
Call Forward-Remote ...................................................................................................................................... 657
Call Forward-Scheduled .................................................................................................................................. 661
Call Forward-When Not Registered ................................................................................................................ 666
Call Hold .......................................................................................................................................................... 671
Call Park .......................................................................................................................................................... 676
Call Logs ......................................................................................................................................................... 681
Call Pick Up ..................................................................................................................................................... 685
Call Progress Tones ........................................................................................................................................ 689
Call Restriction based on IP Address .............................................................................................................. 702
Call Taping ...................................................................................................................................................... 704
Call Toggle ...................................................................................................................................................... 713
Call Traffic ....................................................................................................................................................... 716
Call Transfer .................................................................................................................................................... 720
Calling Line Identification and Presentation (CLIP) ......................................................................................... 726
Calling Line Identification Restriction (CLIR) ................................................................................................... 728
Cancel All Station Features ............................................................................................................................. 730
Class of Service (COS) ................................................................................................................................... 732
CLI Based Routing .......................................................................................................................................... 739
Closed User Group (CUG) .............................................................................................................................. 743
Communication Ports ...................................................................................................................................... 749
Conference-3 Party ......................................................................................................................................... 751
Conference-Multiparty ..................................................................................................................................... 754
Conference Dial-In .......................................................................................................................................... 760
Conflict Dialing ................................................................................................................................................ 766
Conversation Recording .................................................................................................................................. 768
COSEC Integration ......................................................................................................................................... 772
Customer Name .............................................................................................................................................. 774
Day Night Mode .............................................................................................................................................. 775
Daylight Saving Time (DST) ............................................................................................................................ 778
Department Call .............................................................................................................................................. 784
Dial By Name .................................................................................................................................................. 794
Dialed Number Directory ................................................................................................................................. 797
Dial Plan for SIP Extension ............................................................................................................................. 799
Digest Authentication ...................................................................................................................................... 801
Direct Dialing-In (DDI) ..................................................................................................................................... 803
Direct Inward System Access (DISA) .............................................................................................................. 810
Direct Station Selection Console ..................................................................................................................... 817
Distinctive Rings .............................................................................................................................................. 819
Do Not Disturb (DND) ..................................................................................................................................... 821
DSS Call Pick-Up ............................................................................................................................................ 829
Dynamic Lock .................................................................................................................................................. 831
Emergency Calls (911) - Reporting to PSAP .................................................................................................. 838
Emergency Conference .................................................................................................................................. 840
Emergency Detection and Reporting .............................................................................................
................. 844
Emergency Dialing .......................................................................................................................................... 847
Extended IP Phone/VARTA UC Client - Operation ......................................................................................... 849
Firebase Cloud Messaging (FCM) Support ..................................................................................................... 892
Flashing on Trunks (Continued Dialing) .......................................................................................................... 895
Flexible Numbers ............................................................................................................................................ 896