Carrier Access Code, Special 100CCBS ® Completion of Calls to Busy Subscriber 337CCBS by QSIG ® Completion of Calls to BusySubscriber—by QSIG 400CDPG ® Call Distribution Port Group 388Cellular Phone Features—SUMMARY 256Cellular Phone XDP Parallel 57Centralised Voice Mail 409Centrex Service, ISDN 324CF by ISDN (P-MP) ® Call Forwarding—by ISDN(P-MP) 330CF by ISDN (P-P) ® Call Forwarding—by ISDN (P-P) 332CF by QSIG ® Call Forwarding—by QSIG 396Charge Management, Call 233Charge Services, Call 232Circular Hunting 48Class of Service (COS) 278, 420CLI ® Calling Line Identification Distribution 32CLIP ® Calling Line Identification Presentation 198, 326CLIP by QSIG ® Calling Line Identification Presentation—byQSIG 394CLIR ® Calling Line Identification Restriction 326, 394CNIP by QSIG ® Calling Name IdentificationPresentation—by QSIG 394CNIR ® Calling Name Identification Restriction 395Code Entry, Verified 126COLP ® Connected Line Identification Presentation 326COLP by QSIG ® Connected Line IdentificationPresentation—by QSIG 394COLR ® Connected Line IdentificationRestriction 326, 394Common Extension Numbering for 2 PBXs 381Common Extension Numbering for Multiple PBXs 387Communication Assistant (CA) 255Company Greeting 279Company Name 279Completion of Calls to Busy Subscriber (CCBS) 338Completion of Calls to Busy Subscriber (CCBS)—byQSIG 400Computer Telephony Integration (CTI) 253Conference 170, 171Conference Group 175Conference Group Call 174Confirmation Tone 251Connected Line Identification Presentation (COLP) 326Connected Line Identification Presentation (COLP)—byQSIG 394Connected Line Identification Restriction (COLR) 326Connected Name Identification Presentation (CONP)—byQSIG 394CONP by QSIG ® Connected Name IdentificationPresentation—by QSIG 394CONR ® Connected Name Identification Restriction 395Consultation Hold 155, 161, 167COS ® Class of Service 420Cover Page, Fax 302Covering Extension 279CPC ® Calling Party Control Signal Detection 158CTI ® Computer Telephony Integration 253Custom Service 280Custom Service Builder 267DData Line Security 153DDI ® Direct Dialling In 26Default Mailbox Template 267Delayed Ringing 54Delete Message Confirmation 300Denied Code Tables 114DHCP ® Dynamic Host Configuration Protocol 501Diagnostics 494Dial Tone 249Dial Tone Transfer 123Dial Type Selection 94Dialling by Name 281Dialling Digit Restriction during Conversation 156Dialling, One-touch 107DID ® Direct Inward Dialling 26DIL ® Direct In Line 24Direct Dialling In (DDI) 26Direct In Line (DIL) 24Direct Inward Dialling (DID) 26Direct Inward System Access (DISA) 177Direct One-touch Answering 81Direct Service Access 301Direct Trunk Access 103Directed Call Pickup 83Directory, Call—Extension Dialling 89Directory, Call—Speed Dialling 110Directory, PS 459DISA ® Direct Inward System Access 177DISA AA Service ® DISA Built-in Automated AttendantNumber 177DISA Automatic Walking COS 179DISA Built-in Automated Attendant Number (DISA AAService) 177DISA Intercept Routing—Busy 178DISA Intercept Routing—DND 178DISA Intercept Routing—No Answer 179DISA Intercept Routing—No Dial 177DISA Security Mode 178Display Information 219Display Lock 110, 203Distribution, Group Call 54DND ® Do Not Disturb 70, 76DND Override 76DND, Paging 76, 190Do Not Disturb (DND) 70, 76Door Open 194Doorphone Call 192DSP Resource Advisor 481DSP Resource Reservation 479DSP Resources 476DSP usage graph 477Dynamic Host Configuration Protocol (DHCP)Assignment 501Dynamic Host Configuration Protocol (DHCP) Server 485EEFA ® External Feature Access 155Electronic Station Lockout ® Extension Dial Lock 122E-mail Notification for Extension Users 471E-mail Notification of System-level Events 472Feature Guide 523Index
