Cisco CLACC: Advanced Call Control On-Premises: key terms

Flashcards for this exam Cisco CLACC: Advanced Call Control On-Premises guide Class dates

• AnnunciatorA CUCM software media resource that plays prerecorded announcements and tones to callers.Intermediate
• Automated Alternate Routing (AAR)A CUCM feature that reroutes internal calls over the PSTN when locations-based CAC blocks them for lack of WAN bandwidth.Intermediate
• Automatic Call Distribution (ACD)A system that queues incoming calls and distributes them to available agents according to routing rules.Foundational
• BargeA feature that lets a user on a shared line join an active call, using the phone's built-in bridge (Barge) or a conference bridge (cBarge).Intermediate
• Built-in Bridge (BIB)A conference capability inside Cisco IP phones used for barge and to fork call media to a recording server.Advanced
• Busy Lamp Field (BLF)A phone button that shows the real-time state of another line (idle, ringing, busy) and can be used to speed dial it.Foundational
• Call Admission Control (CAC)Mechanisms that limit the number of voice or video calls on a network path so admitted calls keep acceptable quality.Intermediate
• Call Detail Record (CDR)A record generated for each call with details such as calling and called numbers, time, duration and disconnect cause.Foundational
• Call Forward Unregistered (CFUR)A CUCM forwarding setting that routes calls for a DN to an alternate destination, such as its PSTN number, when the device is unregistered.Intermediate
• Call HandlerA Unity Connection object that answers calls, plays greetings, accepts caller input and routes callers to other destinations.Intermediate
• Call ParkA feature that holds a call on a park number so it can be retrieved from any phone by dialing that number.Foundational
• Call PickupA feature that lets a user answer a call ringing on another phone within the same or another pickup group.Foundational
• Call RecordingCapturing the audio, and sometimes video and screen, of calls for compliance, quality or training purposes.Intermediate
• Calling and Called Party Transformation PatternCUCM patterns applied at egress or ingress via transformation CSSs to change number presentation, such as localizing +E.164 numbers.Advanced
• Calling Party NormalizationConverting incoming caller ID numbers into globalized +E.164 format so they can be redialed from call history from any location.Advanced
• Calling Search Space (CSS)An ordered list of partitions that a device or line is allowed to search when placing a call, controlling what it can dial.Foundational
• Centralized Call ProcessingA deployment model in which one CUCM cluster at headquarters controls phones at all branch sites across the WAN.Intermediate
• Cisco Emergency Responder (CER)A Cisco application that tracks phone locations and routes 911 calls with the correct callback and location information.Advanced
• Cisco Meeting Server (CMS)Cisco's on-premises software conferencing platform that hosts audio, video and web meetings in spaces.Intermediate
• Cisco Unified Border Element (CUBE)Cisco's IOS XE session border controller that connects CUCM and Webex Calling to SIP trunk providers and other SIP networks.Intermediate
• Cisco Unified Communications Manager (CUCM)Cisco's on-premises enterprise call control platform that registers endpoints and handles dial plan, features and media resources.Foundational
• Cisco Unified Communications Manager Express (CME)IOS-based call control that runs on Cisco ISR routers for small sites, providing phone registration and PBX features.Intermediate
• Cisco Unified Communications Manager Group (CM Group)An ordered list of up to three CUCM nodes that tells devices which server to register to first and which to use for failover.Intermediate
• Cisco Unified Contact Center Express (UCCX)Cisco's on-premises contact center for small to midsize deployments, integrated with CUCM and offering ACD, IVR and reporting.Intermediate
• Cisco Unity Connection (CUC)Cisco's on-premises voicemail, unified messaging and IVR platform that integrates with CUCM and other call control systems.Foundational
• Client Matter Code (CMC)A CUCM feature that prompts users for a code on outbound calls so call charges can be billed to clients or projects.Intermediate
• Closest Match RoutingThe CUCM rule that selects the pattern matching the fewest possible numbers among all patterns the caller's CSS can reach.Intermediate
• Computer Telephony Integration (CTI)Integration between telephony systems and computer applications to control calls and share call data with software.Intermediate
• Conference BridgeA media resource that mixes audio, and sometimes video, from three or more participants into one conference.Foundational
• CTI Route PointA virtual CUCM device that receives calls for an application, which then redirects them, such as a UCCX trigger number.Advanced
• CUBE High AvailabilityBox-to-box or inbox redundancy for CUBE that preserves active calls when the active router fails.Advanced
• CUCM RegionA CUCM setting that defines the maximum audio and video bit rate and preferred codec list for calls within and between regions.Intermediate
• Delayed Offer (DO)A SIP call flow in which the INVITE has no SDP, so the callee makes the offer in its 200 OK and the caller answers in the ACK.Advanced
• Device MobilityA CUCM feature that applies site-specific settings to phones based on the IP subnet they connect from when roaming between sites.Advanced
• Device PoolA CUCM template of common settings such as CM Group, region, date/time group, location and SRST reference assigned to devices.Foundational
• Dial PeerAn IOS configuration entry that defines a call leg's matching criteria and destination, either POTS (telephony port) or VoIP (IP target).Foundational
• Dial-Peer Group (DPG)A CUBE feature that lets an inbound dial peer explicitly select a list of outbound dial peers, bypassing destination-pattern matching.Advanced
• Dialed Number Analyzer (DNA)A CUCM serviceability tool that simulates digit analysis to show how a dialed number would be routed for a given CSS.Intermediate
• Digit Discard Instructions (DDI)CUCM settings that remove parts of a dialed number, such as PreDot to strip an access code, before sending it to the destination.Intermediate
• Digital Signal Processor (DSP)A specialized processor on voice gateways and routers that performs codec conversion, conferencing, transcoding and echo cancellation.Intermediate
• Direct Inward Dialing (DID)A carrier service that routes external calls directly to individual internal extensions without an operator.Foundational
• Directory HandlerA Unity Connection object that lets callers find a user by spelling or speaking a name and then transfers them.Intermediate
• Directory Number (DN)A line number configured on a CUCM device or device profile, associated with a partition and line-level settings.Foundational
• Directory URIA SIP URI such as user@example.com assigned to a CUCM user or DN so callers can dial by alphanumeric address.Intermediate
• Dual-Tone Multi-Frequency (DTMF)Touch-tone signaling in which each keypad digit is a pair of simultaneous tones, one low-group and one high-group frequency.Foundational
• Dynamic Emergency CallingEmergency calling that determines a user's current location from the network so emergency services receive accurate location.Advanced
• E.164The ITU-T international public telephone numbering plan, with numbers of up to 15 digits beginning with a country code.Foundational
• E.164 Pattern MapA CUBE voice class that lists many number patterns so one dial peer can match all of them.Advanced
• Early MediaMedia exchanged before a call is answered, such as ringback tones or announcements, typically signaled by 183 Session Progress with SDP.Advanced
• Early Offer (EO)A SIP call flow in which the initial INVITE contains the SDP offer, required by most service provider SIP trunks.Advanced
• Emergency Location Identification Number (ELIN)A DID sent as the calling number on 911 calls so the PSAP can look up the caller's location and call back.Advanced
• Emergency Response Location (ERL)A defined physical area, such as a floor or wing, that an emergency calling system uses to report a caller's location.Advanced
• Enhanced 911 (E911)Emergency calling that delivers the caller's callback number and location to the public safety answering point.Intermediate
• Enhanced Locations Call Admission Control (ELCAC)A CUCM CAC model that represents the network as locations and links with bandwidth so calls across multiple hops are tracked accurately.Advanced
• Extension Mobility (EM)A CUCM feature that lets users log in to any shared phone and receive their own directory number, speed dials and services.Intermediate
• Extension Mobility Cross Cluster (EMCC)An extension of Extension Mobility that lets users log in to a phone in a different CUCM cluster and register to their home cluster.Advanced
• External Phone Number MaskA per-DN mask that converts an extension into a full external number for caller ID, AAR and CFUR.Foundational
• Forced Authorization Code (FAC)A CUCM feature that requires users to enter an authorization code with sufficient level before a route pattern routes the call.Intermediate
• Global Dial Plan Replication (GDPR)An ILS feature that replicates directory URIs, alternate numbers and patterns among CUCM clusters with route strings for routing.Advanced
• Globalized Dial PlanA dial plan design that normalizes all numbers to +E.164 for routing and then localizes them at the egress device.Advanced
• Hunt ListAn ordered list of line groups that a CUCM hunt pilot uses to distribute calls.Intermediate
• Hunt PilotA CUCM pattern that, when dialed, distributes calls to members through a hunt list and line groups.Intermediate
• Inbound Calling Search SpaceThe CSS assigned to a CUCM gateway or trunk that determines which partitions incoming calls from that device can reach.Intermediate
• Inbound Dial Peer MatchingThe order IOS uses to choose a dial peer for an incoming call leg, ending with default dial peer 0 if nothing matches.Advanced
• Interactive Voice Response (IVR)An automated phone system that interacts with callers through recorded prompts, touch-tone input and speech recognition.Foundational
• Intercluster Lookup Service (ILS)A CUCM service that shares cluster information, directory URIs and +E.164 patterns between clusters for automatic intercluster routing.Advanced
• IntercomA CUCM feature providing one-way or two-way speakerphone calls to a designated phone, with a whisper path and auto-answer.Intermediate
• Interdigit Timeout (T302)The CUCM timer (15 seconds by default) that waits for further digits before routing a call when a longer pattern might still match.Intermediate
• Internet Telephony Service Provider (ITSP)A carrier that offers PSTN connectivity, phone numbers and calling services to enterprises over SIP trunks.Foundational
• Interview HandlerA Unity Connection object that asks callers a series of recorded questions and saves the answers as a single message.Intermediate
• Java Telephony API (JTAPI)A Java API used by applications such as UCCX to monitor and control CUCM devices through CTIManager.Advanced
• Key Press Markup Language (KPML)A SIP event package (RFC 4730) that reports dialed digits from an endpoint using SUBSCRIBE and NOTIFY messages.Advanced
• Line GroupA CUCM collection of DNs that receive hunted calls using top down, circular, longest idle time or broadcast distribution.Intermediate
• Line/Device Calling Search Space ApproachA CUCM design that uses the device CSS for site-specific routing and the line CSS to block destinations a user may not reach.Advanced
• Local Route Group (LRG)A CUCM feature that resolves a placeholder route group to the gateway assigned in the calling device's device pool.Advanced
• Locations-Based Call Admission ControlCUCM CAC that assigns devices to locations with bandwidth limits and rejects or reroutes calls when a link's budget is exhausted.Intermediate
• Media Flow-ThroughA CUBE mode in which RTP media is terminated and re-originated by CUBE, providing topology hiding and media interworking.Advanced
• Media Resource Group (MRG)A CUCM collection of media resources such as conference bridges, transcoders, MTPs, annunciators and MOH servers.Intermediate
• Media Resource Group List (MRGL)An ordered list of media resource groups assigned to a device or device pool to determine which resources it uses.Intermediate
• Media Termination Point (MTP)A CUCM media resource that anchors an RTP stream to bridge mismatches such as DTMF methods, early offer or IPv4/IPv6.Intermediate
• Meet-Me ConferenceA conference that participants join by dialing a pre-assigned meet-me number at a scheduled time.Foundational
• Message Waiting Indicator (MWI)A lamp or icon on a phone that lights when the user has new voicemail, controlled by the voicemail system.Foundational
• Music on Hold (MOH)A media resource that streams audio to callers placed on hold, sourced from audio files or a fixed live input.Intermediate
• Native Call QueuingA CUCM hunt pilot feature that queues callers with announcements and music on hold until a line group member is available.Intermediate
• Offer/Answer ModelThe RFC 3264 negotiation in which one side offers SDP media options and the other answers with the chosen subset.Intermediate
• Outbound Dial Peer MatchingThe IOS process that selects the dial peer for the outgoing leg, using longest destination-pattern match, then preference, then random choice.Advanced
• Overlap SendingSending dialed digits one at a time or in groups to the next system instead of all at once in the initial setup message.Advanced
• Packet Voice Digital Signal Processor Module (PVDM)A Cisco router module that supplies DSP resources for TDM voice, transcoding, conferencing and media termination.Intermediate
• Partition (PT)A logical group of CUCM directory numbers and patterns that share reachability; callers reach it only if their CSS includes it.Foundational
• RFC 4733 Telephone EventsAn RTP payload format that carries DTMF digits and other telephony events as named events in the media stream (formerly RFC 2833).Intermediate
• Route Group (RG)A CUCM collection of gateways or trunks with a distribution algorithm of top-down or circular.Intermediate
• Route List (RL)An ordered list of route groups that a CUCM route pattern points to, used for path selection and failover.Intermediate
• Route Pattern (RP)A CUCM pattern that matches dialed digits and routes the call to a gateway, trunk or route list with optional digit manipulation.Foundational
• Route Pattern WildcardsSpecial characters in CUCM patterns such as X, !, [ ], ., @, # and + that match ranges and lengths of digits.Intermediate
• SDP Security Descriptions (SDES)A method (RFC 4568) of exchanging SRTP keys in SDP a=crypto attributes within SIP signaling.Advanced
• Server GroupA CUBE voice class that lists multiple SIP destinations with preferences so one dial peer can target several servers.Advanced
• Session Border Controller (SBC)A device at the edge of a VoIP network that secures, normalizes and controls SIP signaling and media between domains.Intermediate
• Session Management Edition (SME)A CUCM deployment used as a central SIP routing core that aggregates multiple CUCM clusters, PBXs and gateways.Advanced
• Shadow LocationA built-in CUCM location assigned to SIP intercluster trunks so Enhanced Locations CAC can be applied end to end between clusters.Advanced
• Shared LineA directory number configured on multiple devices so that all ring together and see each other's call states.Foundational
• Significant DigitsA setting on inbound CUCM gateways and trunks that keeps only the rightmost N digits of the called number.Intermediate
• Single InboxA Unity Connection feature that synchronizes voicemails into users' Exchange or Microsoft 365 mailboxes alongside email.Intermediate
• Single Number Reach (SNR)A Cisco Unified Mobility feature that rings a user's remote devices such as a mobile phone simultaneously with the desk phone.Intermediate
• SIP Digest AuthenticationSIP's challenge-response authentication in which a server responds 401 or 407 with a nonce and the client returns a hashed credential.Intermediate
• SIP Normalization ScriptA Lua script attached to a CUCM SIP trunk that modifies SIP messages for interoperability with other systems.Advanced
• SIP OPTIONS PingPeriodic SIP OPTIONS requests used to monitor whether a SIP trunk peer is reachable and in service.Intermediate
• SIP over TLS (SIPS)Securing SIP signaling with TLS, normally on TCP port 5061, to provide confidentiality, integrity and authentication.Intermediate
• SIP ProfileA rule set that adds, modifies or removes SIP headers and SDP lines on CUBE, or a set of SIP parameters on CUCM trunks and phones.Advanced
• SIP Recording (SIPREC)The IETF standard (RFC 7866) in which an SBC forks call media and metadata to a recording server using SIP.Advanced
• SIP Reliable Provisional Responses (PRACK)The RFC 3262 extension that makes 1xx responses reliable by requiring a PRACK acknowledgment, signaled by the 100rel option tag.Advanced
• SIP Route PatternA CUCM pattern that routes calls by domain or IP address, or by ILS route string, to a SIP trunk.Advanced
• SIP TrunkA SIP signaling connection between two call control systems or between an enterprise and a service provider.Foundational
• SIP URIA SIP address in the form sip:user@host that identifies a user, device or service, similar to an email address.Foundational
• Survivable Remote Site Telephony (SRST)A Cisco router feature that lets branch phones register locally and keep basic calling when they lose contact with CUCM.Intermediate
• T.38The ITU-T standard for real-time fax relay over IP that converts fax signals into data packets rather than audio.Intermediate
• Tail-End Hop-Off (TEHO)Routing a PSTN call over the private WAN to the gateway closest to the destination so it leaves as a local or cheaper call.Advanced
• Telephony Class of ServiceIn telephony, the set of destinations and features a user or device is allowed to reach, enforced with partitions and CSSs.Foundational
• Telephony Denial of Service (TDoS)An attack that floods a phone system or number with calls to make it unavailable to legitimate callers.Intermediate
• Time-of-Day RoutingA CUCM feature that makes partitions active only during defined time schedules, changing call routing by time and date.Intermediate
• Toll FraudUnauthorized use of a telephony system to place calls, usually expensive international or premium-rate calls, at the owner's expense.Intermediate
• Topology HidingConcealing internal IP addresses, hostnames and network structure from external parties by rewriting signaling and relaying media.Intermediate
• Transcoder (XCODE)A DSP-based media resource that converts a media stream from one codec to another when endpoints share no common codec.Intermediate
• Translation Pattern (TP)A CUCM pattern that manipulates calling or called digits and then re-routes the call using its own CSS.Intermediate
• Unified Messaging (UM)Integrating voicemail, email and fax into a single mailbox or interface accessible from multiple devices.Foundational
• Unity Connection Call Routing RulesOrdered rules in Unity Connection that decide where direct and forwarded calls are sent based on caller, called number and schedule.Advanced
• Unity Connection Class of ServiceA Unity Connection setting that defines which features and limits apply to users, such as message length and licensed features.Intermediate
• Unity Connection Search SpaceAn ordered list of Unity Connection partitions that defines which users, handlers and extensions an object can reach.Advanced
• Urgent PriorityA CUCM pattern setting that routes a call immediately on match instead of waiting for interdigit timeout on overlapping patterns.Intermediate
• User TemplateA Unity Connection template that supplies default settings such as COS, schedule, time zone and greetings when users are created.Intermediate
• Video Bandwidth ProvisioningSizing network capacity for video by adding overhead, typically about 20 percent, to the configured video call rate.Advanced
• Voice Class CodecAn IOS list of preferred codecs that a dial peer offers or accepts, in order of preference.Intermediate
• Voice Class URIA CUBE voice class that matches SIP URIs by host, user or pattern for inbound dial-peer selection.Advanced
• Voice Translation ProfileAn IOS object that groups voice translation rules for calling, called and redirect numbers and is applied to dial peers or trunks.Intermediate
• Voice Translation RuleAn IOS regular-expression rule that rewrites calling or called numbers, applied through a translation profile on dial peers or voice ports.Intermediate
• Voicemail PilotThe number in CUCM that routes calls to the voicemail system when users press Messages or calls forward to voicemail.Intermediate
• Voicemail PIN SecurityPolicies that enforce strong voicemail PINs and lockouts to prevent unauthorized mailbox access and toll fraud.Intermediate
• Voicemail ProfileA CUCM setting that ties a directory number to a voicemail pilot and optional voicemail box mask.Intermediate