D

database (Cisco UC), 15

access control, 17 user-facing features, 15-17 date/time groups, configuring, 190 DDI

DDIs (digit discard instructions), 288-290

PreDot DDI, 289-290 default CUCM user groups, 118 Default Inter-Presence Group Subscription parameter, 448 deployment models

Multisite WAN with Centralized Call

Processing, 36-39 Multisite WAN with Distributed Call

Processing, 39-43 Multisite with clustering over WAN, 43-45 Single-Site, 34-35 device defaults, configuring, 196 device detection, 169 device pools, 187

CUCM groups, 191-192 date/time groups, 190 locations, 193-194 NTP references, 189-190 regions, 192 security profiles, 194

DHCP (Dynamic Host Configuration

Protocol), configuring on CUCM, 92-94 Diagnostics tool (CUVA), 501 dial plans call classification, 278 call coverage, 340

call hunting, 342-356, 359-361 endpoint addressing, 251-253 on-net, example, 253-255 path selection, 270

configuring, 271-272, 275 route filters, 276-278 dialing transformations, transformation masks, 291-293 DID (direct inward dial), 252 digit analysis, 260-262 interdigit timeout, 263

digit forwarding, 264 SCCP phones, 265 SIP phones, 266-269 digit manipulation, 284 DDIs, 289-290 Digit Prefix feature, 288 example of, 299

Significant Digits feature (CUCM), 297 transformation masks, 291, 293 translation patterns, 293 configuring, 294-296 Digit Prefix feature (CUCM), 288 directed call-park numbers, configuring, 409-410

DirSync (Cisco Directory Synchronization),

127-129 disabling hold reversion, 415 Disaster Recovery System web interface

(CUCM), 78 displaying available commands, 81 Cisco Catalyst switch power allocation, 171 distribution algorithms, 347 DLUs (Cisco device license units), 19, 22 DND (Do Not Disturb) feature, 416 DNS (Domain Name System), configuring on

CUCM, 89, 94-97 DNs (directory numbers), intercom DN, configuring, 421-422 dual partitions, 68

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