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210-060 CICD for MD > CICD - Abbreviations > Flashcards

CICD - Abbreviations Flashcards

1
Q

PSTN

A

The public switched telephone network (PSTN) is the aggregate of the world’s circuit-switched telephone networks that are operated by national, regional, or local telephony operators, providing infrastructure and services for public telecommunication.

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2
Q

DTMF

A

Dual-tone multi-frequency signaling (DTMF) is an in-band telecommunication signaling system using the voice-frequency band over telephone lines between telephone equipment and other communications devices and switching centers.

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3
Q

ISDN

A

Integrated Services for Digital Network (ISDN) is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switched telephone network. The key feature of ISDN is that it integrates speech and data on the same line

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4
Q

PRI

A

A PRI (Primary Rate ISDN) is simply an E1 or T1 with ISDN on top of it. ISDN gives fast, reliable call setup and hangup detection, and detailed information about the call. ISDN uses one channel (called the D channel) for signalling call information. On E1, this is one of the 2 signalling channels, leaving 30 channels for voice (called B channels). On T1, there aren’t any spare signalling channels, so one of the voice channels is used, leaving 23 B channels for voice.

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5
Q

PBX

A

A private branch exchange (PBX) is a telephone exchange or switching system that serves a private organization and performs concentration of central office lines or trunks and provides intercommunication between a large number of telephone stations in the organization.The central office lines provide connections to the public switched telephone network and the concentration aspect of a PBX permits the shared use of these lines between all stations in the organization.

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6
Q

TDM

A

Time-division multiplexing (TDM) is a method of transmitting and receiving independent signals over a common signal path by means of synchronized switches at each end of the transmission line so that each signal appears on the line only a fraction of time in an alternating pattern. It is used when the data rate of the transmission medium exceeds that of signal to be transmitted.

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7
Q

CAS

A

Channel Associated Signaling
AKA, ROBBED BIT Signaling
Steals bits from user data for signaling

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8
Q

CCS

A

Commun Channel Signaling

Dedicate a single channel for signaling

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9
Q

RTP (based on what?)

A

Real-time Transport Protocol, UDP based layer 4 protocol

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10
Q

RTCP (controls on what?)

A

Real-time Transport Control Protocol

Adds packetcount, delay, loss, jitter

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11
Q

FXS

A

Foreign Exchange Station - Analog Extensions
Provides dial tone !!
Ex: analog phones, modem, fax, Legacy…

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12
Q

FXO

A

Foreign Exchange Office - Analog Trunks
Receives dial tone !!
Interface to PSTN = receives dial tone

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13
Q

E&M

A

Ear and Mouth (Earth and Magneto)

Trunk between VOICE router and PBX systems

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14
Q

SIP

A

The Session Initiation Protocol (SIP) is a communications protocol for signaling and controlling multimedia communication sessions.
The most common applications of SIP are in Internet telephony for voice and video calls, as well as instant messaging, over Internet Protocol (IP) networks.It is a text-based protocol, incorporating many elements of the Hypertext Transfer Protocol (HTTP) and the Simple Mail Transfer Protocol (SMTP).
For the transmission of media streams (voice, video) SIP typically employs the Real-time Transport Protocol (RTP) or Secure Real-time Transport Protocol (SRTP). For secure transmissions of SIP messages, the protocol may be encrypted with Transport Layer Security (TLS).

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15
Q

SCCP

A

The Skinny Client Control Protocol (SCCP) is a proprietary network terminal control protocol originally developed by Selsius Systems, which was acquired by Cisco Systems in 1998.SCCP is a lightweight IP-based protocol for session signaling with Cisco Unified Communications Manager, formerly named CallManager.CallManager acts as a signaling proxy for call events initiated over other common protocols such as H.323, Session Initiation Protocol (SIP), ISDN and/or MGCP.

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16
Q

CLI

A

Command Line Interface

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17
Q

CCP

A

Cisco Configuration Professional

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18
Q

CUCME

A

Cisco Unified Communication Manager Express

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19
Q

CUE

A

Cisco Unity Express

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20
Q

CUCM

A

Cisco Unified Communication Manager

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21
Q

CUC

A

Cisco Unity Connection

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22
Q

UCCX

A

Unified Contact Center Express

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23
Q

CME

A

Call Manager Express

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24
Q

TMS

A

Telepresence Management Suite

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25
Q

IMP

A

Instant Messaging and Presence

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26
Q

VCS

A

Video Communication Server

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27
Q

ICCS

A

The Intra-Cluster Communication Signaling (ICCS) between Unified CM servers consists of many traffic types. The ICCS traffic types are classified as either priority or best-effort. Priority ICCS traffic is marked with IP Precedence 3 (DSCP 24 or PHB CS3). Best-effort ICCS traffic is marked with IP Precedence 0 (DSCP 0 or PHB BE).
ICCS or Intra-Cluster Communication Signaling takes place over TCP Port 8002 and 8004 and what’s taking place here is the publisher and the subscribers are keeping the database in sync.

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28
Q

MCU

A

A Multipoint Control Unit (MCU) is a device commonly used to bridge videoconferencing connections. The MCU is an endpoint on the LAN that provides the capability for three or more terminals and gateways to participate in a multipoint conference.

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29
Q

MGCP

A

The Media Gateway Control Protocol (MGCP) is a signaling and call control communications protocol used in voice over IP (VoIP) telecommunication systems. It implements the media gateway control protocol architecture for controlling media gateways on Internet Protocol (IP) networks connected to the public switched telephone network (PSTN).
The protocol is a successor to the Simple Gateway Control Protocol (SGCP)

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30
Q

LDAP

A

The Lightweight Directory Access Protocol (LDAP) is an open, vendor-neutral, industry standard application protocol for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network

31
Q

MWI

A

A Message_Waiting_Indicator (MWI) is a mechanism that informs the subscriber about the status of recorded messages (waiting voicemail message)

32
Q

POE

A

Power over Ethernet or PoE describes any of several standardized or ad-hoc systems which pass electrical power along with data on twisted pair Ethernet cabling. This allows a single cable to provide both data connection and electrical power to devices

33
Q

VLAN

A

A virtual LAN (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer (OSI layer 2). LAN is an abbreviation of local area network.

34
Q

LLDP

A

The Link Layer Discovery Protocol (LLDP) is a vendor-neutral link layer protocol in the Internet Protocol Suite used by network devices for advertising their identity, capabilities, and neighbors on an IEEE 802 local area network, principally wired Ethernet.
LLDP performs functions similar to several proprietary protocols, such as the Cisco Discovery Protocol (CDP)

35
Q

TFTP

A

Trivial File Transfer Protocol (TFTP) is a simple, lockstep, File Transfer Protocol which allows a client to get from or put a file onto a remote host. TFTP is a simple protocol for transferring files, implemented on top of the UDP/IP protocols using well-known port number 69.

36
Q

PQSM

A

Perceptual Quality Speech Measurement
Machine Measurement
6,5 to 0(best)

37
Q

MOS

A

Mean Opinion Score
Human Measurement
1 to 5(best) PSTN=4

38
Q

VPIM

A

Voice Profile for Internet Mail (VPIMv2) is defined in RFC 3801, an Internet standards track protocol.
VPIM defines a subset of the Internet multimedia messaging protocols (MIME) for use between voice processing server platforms.

39
Q

WRED

A

Weighted random early detection (WRED) is a queueing discipline for a network scheduler suited for congestion avoidance. It is an extension to random early detection (RED) where a single queue may have several different queue thresholds. Each queue threshold is associated to a particular traffic class.

40
Q

LLQ

A

Low-latency queuing (LLQ) is a feature developed by Cisco to bring strict priority queuing (PQ) to class-based weighted fair queuing (CBWFQ). LLQ allows delay-sensitive data (such as voice) to be given preferential treatment over other traffic by letting the data to be dequeued and sent first.

41
Q

LFI

A

Link fragmentation and interleaving (LFI) is a method that allows long nonreal-time data packets to be fragmented into smaller frames and shorter real-time packets to be interleaved between the fragments. In this way, real-time delay-sensitive packets, such as voice over IP (VoIP), and nonreal-time delay-insensitive packets, such as data transfer, can be carried together on low-speed links without causing excessive delay to the real-time traffic.

42
Q

ITSP

A

An INTERNET TELEPHONY SERVICE PROVIDER (ITSP) offers digital telecommunications services based on Voice over Internet Protocol (VoIP) that are provisioned via the Internet.
ITSPs use a variety of signaling and multimedia protocols, including the Session Initiation Protocol (SIP), the Media Gateway Control Protocol (MGCP), Megaco, and the H.323 protocol.

43
Q

VWC

A

VOICE or WAN interface CARD (no data)

44
Q

WIC

A

WAN INTERFACE CARD

45
Q

POTS

A

Plan Old Telephone Service

Think about FORWARD-DIGIT

46
Q

DSCP

A

Differentiated Services Code Point
DiffServ uses a 6-bit differentiated services code point (DSCP) in the 8-bit differentiated services field (DS field) in the IP header for packet classification purposes.

47
Q

IETF

A

Internet Engineering Task Force, est un groupe informel, international, ouvert à tout individu, qui participe à l’élaboration de standards Internet. L’IETF produit la plupart des nouveaux standards d’Internet.

48
Q

XCP

A

eXplicit Control Protocol

CUC uses XCP to implement interdomain federation

49
Q

SFTP

A

Secure File Transfer Protocol is requiered for CUCM Disaster Recovery System

50
Q

H.323

A

H.323 is the international standard for multimedia communication over packet-switched networks, including LANs, WANs, and the Internet.

51
Q

CTL

A

Device, file, and signaling authentication rely on the creation of the Certificate Trust List (CTL) file, which is created when you install and configure the Cisco CTL Client on a single Windows workstation or server that has a USB port.

52
Q

SEP

A

IT stands for “Selsius Ethernet Phone” and is left-over from when Cisco acquired SCCP technology when it acquired Selsius Corporation in 1998.
As a remnant of the Selsius origin of the current Cisco IP phones, the default device name format for registered Cisco phones with CallManager is SEP followed by the MAC address.

53
Q

MLP

A

Multilink PPP (MLP). MLP provides a method of splitting, recombining, and sequencing datagrams across multiple logical data links. MLP allows packets to be fragmented and the fragments to be sent at the same time over multiple point-to-point links to the same remote address.

54
Q

CDR

A

Call detail records (CDR)— Data records that contain information about each call that was processed by CallManager. Both CDRs and CMRs together are referred to as CDR data. CDR data is useful primarily for generating billing records; however, it can also be used for tracking call activity, diagnosing certain types of problems and capacity planning.

55
Q

CMR

A

Call management records (CMR)— Data records that contain quality of service (QoS) or diagnostic information about the call. Both CDRs and CMRs together are referred to as CDR data.CMRs contain information about the amount of data sent and received, jitter, latency, and lost packets.

56
Q

CAR

A

The CDR Analysis and Reporting tool, or CAR for short, can create reports about the call processing going on within a Communications Manager server.

57
Q

RTMT

A

The Cisco Unified RTMT or Real-Time Monitoring Tool allows an administrator to view a variety of counters, performance metrics about the Communications Manager server. For example, we might be able to see how many ports on a gateway are currently in use. We can see if we’ve ever run out of transcoding resources over a period of time. We could also use this RTMT tool to retrieve and view trace information, syslog information. We could even configure it to send us alarms if maybe various thresholds get exceeded. RTMT is going to run on an administrator’s PC and it’s going to communicate via secure HTTP typically with the Communications Manager publisher and that publisher can also send out e-mails to the administrator again if various alerts have been triggered.

58
Q

AGC

A

Automatic Gain Control

59
Q

SOAP

A

SOAP(Simple Object Access Protocol) is aprotocolspecification for exchanging structured information in the implementation ofweb servicesincomputer networks. It usesXML Information Setfor its message format, and relies on application layer protocols, most oftenHypertext Transfer Protocol(HTTP) orSimple Mail Transfer Protocol(SMTP), for message negotiation and transmission.
SOAP on port 8191 is used by JABBER to register user over HTTP

60
Q

XMPP

A

Extensible Messaging and Presence Protocol(XMPP) is acommunications protocolformessage-oriented middlewarebased onXML(Extensible Markup Language). It enables the near-real-time exchange of structured yetextensibledata between any two or more network entities.
Originally namedJabber, the protocol was developed by the Jabber open-source community in 1999 fornear real-timeinstant messaging(IM),presence information, andcontact listmaintenance.
Jabber XCP, a commercial product which is an implementation of XMPP. Acquired by Cisco Systems in 2008.
XMPP on port 5222 is used by JABBER to determine the status of everybody

61
Q

CCMCIP

A

The CISCO UNIFIED COMMUNICATIONS MANAGER IP PHONE (CCMCIP) service runs on Cisco Unified Communications Manager and retrieves a list of devices associated with each user.
CCMCIP on port 8443 is used by JABBER to download and determine what phones it has control over

62
Q

CTIQBE

A

COMPUTER TELEPHONY INTEGRATION QUICK BUFFERING and ENCODING on port 2748 is used by JABBER to send commands to the IP phone

63
Q

CSF

A

Cisco Unified Client Services Framework is a software application that combines a number of services into an integrated client. An underlying framework is provided for integration of Unified Communications services, including audio, video, web collaboration, visual voicemail, and so forth, into a presence and instant messaging application.

64
Q

SRST

A

Within the Communications Manager we can set up to three servers, plus list the SURVIVAL REMOTE SITE TELEPHONY solution (SRST) for your IP phones. So now when they register they get that list, so if the main server is not available they try the second and if the second is not available then they try the third.

65
Q

SRSV

A

Cisco Unified Survivable Remote Site Voicemail (SRSV) provides a cost-effective solution for supporting redundant voicemail service for your organization’s remote sites such as branch offices or small sites

66
Q

CAC

A

Call Admission Control protects voice from voice. It limits the number of calls between areas of our network to avoid oversubscription of bandwidth.

67
Q

AAR

A

Call Admission Control or CAC says okay five phone calls if the sixth one comes across re-route that, re-route it to the PSTN as that backup path. And in order to do this we can set up AUTOMATED ALTERNATE ROUTING or AAR. AAR can say alright we’re going to need to send this call out through the PSTN because only due to call admission control not if the WAN goes down that’s a different strategy.

68
Q

COR

A

With the Communications Manager Express we use COR, Class of Restriction. This is how we define a destination that a user is capable of reaching and we have incoming COR lists for calls arriving into the Communications Manager Express and then we have outgoing COR lists for outbound calls.

69
Q

CUPC

A

The Cisco Unified Personal Communicator is instant messaging, it allows you to chat. But it also gives you visual indicators such as if you have voicemail coming into you or if you need to tie into any type of LDAP support for additional user information. It’s compatible on tons of different system from Windows XP on up to Windows 8, it will run on an Apple Mac OS and there’s a 32 and a 64 bit version, it also allows you to do your voice and video through this client as well.

70
Q

Cisco AMC

A

Used for the Cisco Unified Presence Real-Time Monitoring Tool (RTMT), this service, Alert Manager and Collector service, allows RTMT to retrieve real-time information that exists on nodes in the cluster.

71
Q

IVR

A

Interactive voice response (IVR) is a technology that allows a computer to interact with humans through the use of voice and DTMF tones input via keypad. In telecommunications, IVR allows customers to interact with a company’s host system via a telephone keypad or by speech recognition, after which they can service their own inquiries by following the IVR dialogue. IVR systems can respond with prerecorded or dynamically generated audio to further direct users on how to proceed.

72
Q

OWA

A

Microsoft’s Outlook Web Access, this is a WebDAV interface provided by Microsoft.

73
Q

E.164

A

E.164 defines a general format for international telephone numbers. Plan-conforming numbers are limited to a maximum of 15 digits, excluding the international call prefix. The presentation of a number is usually prefixed with the plus sign (+), indicating that the number includes the country calling code. When dialing, the number must typically be prefixed with the appropriate international call prefix (in place of the plus sign), which is a trunk code to reach an international circuit from within the country of call origination.

210-060 CICD for MD (4 decks)

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