SIST-TP TR 102 008 V1.1.1:2004

• Abstract:

  To provide a report outlining the functional groupings

• Status: Published
• Publication Date: 31-Mar-2004
• ICS: 01.040.33 - Telecommunications. Audio and video engineering (Vocabularies)
• ICS: 33.020 - Telecommunications in general
• Technical Committee: SPN - Services and Protocols for Networks
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Apr-2004
• Due Date: 01-Apr-2004
• Completion Date: 01-Apr-2004
• Ref Project: ETSI TR 102 008 V1.1.1 (2002-01) - Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON) Release 3; Terms and Definitions

SIST-TP TR 102 008 V1.1.1:2004 is the Slovenian version of ETSI TR 102 008 V1.1.1, the TIPHON Release 3 Technical Report on terms and definitions. It standardizes the vocabulary used across Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON) Release 3, so the same words mean the same thing in specifications for IP telephony, networking roles, routing, Quality of Service (QoS), and lawful interception. Engineers, service providers, network operators, and testers use it as the common glossary for TIPHON deliverables.

What does SIST-TP TR 102 008 V1.1.1:2004 specify?

SIST-TP TR 102 008 V1.1.1:2004 specifies the terms and abbreviations to be adopted for all TIPHON Release 3 deliverables. Clause 1 gives the scope, clause 2 lists the references used to anchor the vocabulary, clause 3 contains the definitions and abbreviations, and Annex A gives the bibliography.

The front matter includes Intellectual Property Rights notes and a foreword identifying the ETSI TIPHON project.

Annex	What it covers
A	Bibliography, including ETSI TR 101 301, “Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON) Release 3; Release Definition”

What are the key requirements of SIST-TP TR 102 008 V1.1.1:2004?

SIST-TP TR 102 008 V1.1.1:2004 is a vocabulary document, not a performance or test standard. Its practical effect is to align TIPHON Release 3 terminology across design documents, service descriptions, interworking work, and conformance testing.

• Clause 1 states that the defined terms apply to all TIPHON Release 3 deliverables. That matters because later TIPHON documents can rely on one shared meaning instead of redefining the same concepts.
• Clause 2 ties the vocabulary to ITU-T, IETF, and ISO/IEC references. This matters because core ideas such as E.164 numbering, H.323 communications, NAT, and conformance testing come from those established sources.
• Clause 3.1 groups definitions around network and service architecture, including access provider, transport network, service domain, network functional group, home network functional group, serving network functional group, gateway, GateKeeper (GK), and interworking function. In practice, this is the language used to describe where a function sits and who controls it.
• Clause 3.1 distinguishes call handling and media concepts such as bearer, aggregate bearer, flow, session, endpoint, terminal, and the Session Initiation Protocol (SIP) roles proxy server, registrar, redirect server, User Agent Client (UAC), and User Agent Server (UAS). That helps designers separate signalling from media transport.
• Clause 3.1 defines numbering and routing terms such as address, number, numbering plan, dialling plan, routeing, Routeing Number (RN), number portability, service provider portability, and location portability. These are the terms used when mapping users to destinations and handling number changes.
• Clause 3.1 includes QoS and transport control terms such as QoS, Quality of Service Manager (QoSM), Quality of Service Policy Element (QoSPE), Transport Resource Manager (TRM), transport domain, and transport function. In practice, these terms support policy control and resource allocation across domains.
• Clause 3.1 also covers security, privacy, and interception terms such as authentication, authorization, non-repudiation, interception, interception interface, result of interception, Law Enforcement Agency (LEA), and Law Enforcement Monitoring Facility (LEMF). This vocabulary is used when specifying lawful access and the handover of intercepted information.
• Clause 3.2 lists abbreviations used throughout the report, including GK, NAT, PICS, SIP, TTCN, UAC, UAS, and VoIP. That keeps later TIPHON documents shorter and less ambiguous.

What terms does SIST-TP TR 102 008 V1.1.1:2004 define?

• Functional group - A collection of functional entities within a domain, used in TIPHON to structure the functionality needed to offer IP telephony services across domains.
• Endpoint - An entity that can originate and terminate both signalling and media streams, such as an H.323 terminal, gateway, or MCU.
• Bearer - A logical association of functional entities that creates an end-to-end media flow for no longer than the duration of a call.
• Transport domain - A collection of transport resources under common control, with shared policies, QoS mechanisms, and transport technologies.
• Service domain - A collection of entities offering IP telephony services under one provider, with common policies and technologies.
• Quality of Service (QoS) - The quality specification of a telecommunications channel or session, described in measurable terms such as throughput or call blocking probability.
• Interception - The lawful action by an operator, access provider, or service provider of making certain information available to an LEA.
• User Agent Client (UAC) / User Agent Server (UAS) - SIP roles where the UAC initiates a request and the UAS responds on behalf of the user.

Who uses SIST-TP TR 102 008 V1.1.1:2004?

SIST-TP TR 102 008 V1.1.1:2004 is used by TIPHON project teams, IP telephony service providers, network operators, access providers, transport network operators, and testers. They use it when writing service specifications, mapping functional roles, defining interfaces, and checking conformance.

It is also relevant to organizations dealing with routing, portability, QoS control, and lawful interception in IP telephony systems. The shared vocabulary helps these groups avoid ambiguity in design, procurement, and validation work.

Which standards are used with SIST-TP TR 102 008 V1.1.1:2004?

The report relies on these named references and companion documents:

• ITU-T Recommendation Q.931 - basic call control procedures for ISDN user-network interfaces.
• ITU-T Recommendation E.164 - the international public telecommunication numbering plan.
• ITU-T Recommendation G.100 - general definitions for international telephone connections and circuits.
• ITU-T Recommendation H.323 - packet-based multimedia communications systems.
• ITU-T Recommendation I.112 - vocabulary for ISDNs.
• ITU-T Recommendation I.210 - principles of telecommunication services supported by an ISDN.
• ITU-T Recommendations G.111, G.121, P.64, P.76, and P.79 - loudness ratings and their calculation or measurement methods.
• IETF RFC 1631 - the Network Address Translation (NAT) mechanism.
• ISO/IEC 9646 (all parts) - conformance testing methodology and framework.
• ETSI TR 101 301 - listed in Annex A as the TIPHON Release Definition.

What does the SIST-TP TR 102 008 V1.1.1:2004 document contain?

SIST-TP TR 102 008 V1.1.1:2004 is primarily a glossary for TIPHON Release 3. Clause 3.1 runs through a large set of definitions covering architecture, service roles, security, interception, routing, QoS, telephony, and testing.

Clause 3.2 collects abbreviations such as GK, NAT, PICS, SIP, TTCN, TRM, UAC, UAS, and VoIP. Annex A adds a short bibliography, and the front matter includes IPR guidance and a foreword naming the producing ETSI project.

SLOVENSKI STANDARD
01-april-2004
Harmonizacija telekomunikacij in internetnega protokola prek omrežij (TIPHON), 3.
izdaja - Pojmi in definicije
Telecommunications and Internet Protocol Harmonization Over Networks (TIPHON)
Release 3; Terms and Definitions
Ta slovenski standard je istoveten z: TR 102 008 Version 1.1.1
ICS:
01.040.33 Telekomunikacije. Avdio in Telecommunications. Audio
video tehnika (Slovarji) and video engineering
(Vocabularies)
33.020 Telekomunikacije na splošno Telecommunications in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

Technical Report
Telecommunications and Internet Protocol
Harmonization Over Networks (TIPHON) Release 3;
Terms and Definition
2 ETSI TR 102 008 V1.1.1 (2002-01)

Reference
DTR/TIPHON-01014
Keywords
Internet, IP, protocol, voice, VoIP
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All rights reserved.
ETSI
3 ETSI TR 102 008 V1.1.1 (2002-01)
Contents
Intellectual Property Rights.4
Foreword.4
1 Scope.5
2 References.5
3 Definitions and abbreviations.5
3.1 Definitions.5
3.2 Abbreviations.16
Annex A: Bibliography.17
History .18

ETSI
4 ETSI TR 102 008 V1.1.1 (2002-01)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://webapp.etsi.org/IPR/home.asp).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This Technical Report (TR) has been produced by ETSI Project Telecommunications and Internet Protocol
Harmonization Over Networks (TIPHON).
ETSI
5 ETSI TR 102 008 V1.1.1 (2002-01)
1 Scope
The present document specifies the definition the definition of terms to be adopted for all deliverables contained in
TIPHON Release 3.
2 References
For the purposes of this Technical Report (TR) the following references apply:
[1] ITU-T Recommendation Q.931: "ISDN user-network interface layer 3 specification for basic call
control".
[2] ITU-T Recommendation E.164: "The international public telecommunication numbering plan".
[3] ITU-T Recommendation G.100: "Definitions used in Recommendations on general characteristics
of international telephone connections and circuits".
[4] ITU-T Recommendation H.323: "Packet-based multimedia communications systems".
[5] ITU-T Recommendation I.112: "Vocabulary of terms for ISDNs".
[6] ITU-T Recommendation G.111: "Loudness ratings (LRs) in an international connection".
[7] ITU-T Recommendation G.121: "Loudness ratings (LRs) of national systems".
[8] ITU-T Recommendation P.64: "Determination of sensitivity/frequency characteristics of local
telephone systems".
[9] ITU-T Recommendation P.76: "Determination of loudness ratings; fundamental principles".
[10] ITU-T Recommendation P.79: "Calculation of loudness ratings for telephone sets".
[11] ITU-T Recommendation I.210: "Principles of telecommunication services supported by an ISDN
and the means to describe them".
[12] IETF RFC 1631: "The IP Network Address Translator (NAT)".
[13] ISO/IEC 9646 (all parts): "Information technology - Open Systems Interconnection - Conformance
testing methodology and framework".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of the present document, the following terms and definitions apply:
access provider: provides a user of some network with access from the user's terminal to that network
accounting: process of collecting the call information data for purposes of attributing costs between service providers
or network operators
address: string or combination of digits and symbols which identifies the specific termination points of a
connection/session and is used for routeing
administrative domain: collection of physical or functional entities under the control of a single administration
aggregate bearer: logical association of functional entities in an IP Telephony application and transport network which
creates one or more concurrent end to end media flows and which is not limited to the duration of a single call
ETSI
6 ETSI TR 102 008 V1.1.1 (2002-01)
aggregate bearer admission control: functional entity that determines whether or not a flow is to be admitted as part
of an established aggregate bearer
aggregate bearer measurement: functional entity that determines the capacity used and remaining in an aggregate
bearer as a result of measuring the actual media flows after taking into account what flows were requested
application data: media or signalling information content
authentication: process of proving identity within its context
NOTE: This normally entails proving the possession of a secret (uniquely associated with the identification) to
the authenticator.
authorization: process of granting permission on the basis of identity, to access or use a service, or to access
information
NOTE: Authorization is performed by the entity that controls the resource, and, if payment is required, that same
entity is responsible for accounting to the customer or other party.

backward call clearing: ability for the called party to release a call during the call
basic call control: Signalling protocol associated with the DSS1 - ISDN Basic Call control procedures of ITU-T
Recommendation Q.931 [1].
bearer: logical association of functional entities in an IP Telephony application and Transport Network that creates an
end to end media flow for no longer than the duration of a call
bearer service: type of telecommunication service that provides the capability for the transmission of signals between
user-network interfaces
billing: process of presenting the user with a request for payment e.g. based on network usage; possibly including
supporting information such as call records
broker: provider of a business service to facilitate the interworking between multiple IP service providers and SCN
operators involved in the delivery of a telephony service
NOTE: This may be restricted to accounting settlements, but can also include routing assistance, authorization of
use of resources, price information exchange.

call: any connection (fixed or temporary) capable of transferring information between two or more users of a
telecommunications system. In this context a user may be a person or a machine
called number: normally a name written as a numerical string identifying the called party or called terminal
carrier: provider of a transit network or services
channel: Often used in the literature to describe a single data stream and will therefore be treated synonymously to flow
through the present document.
charging: process of determining the amount of money a user shall pay for usage of a certain service
circuit loudness rating: loudness loss between two electrical interfaces in a connection or circuit, each interface
terminated by its nominal impedance which may be complex
codec: combined speech encoder and decoder
collect call: call paid for by the called party
NOTE: Caller indicates a request for a collect call and the service provider asks the called party to accept.
ETSI
7 ETSI TR 102 008 V1.1.1 (2002-01)
contact ID: intermediate identifier for the destination of the next point of resolution (i.e. the destination of the next hop
for the signalling messages)
NOTE: The form of the contact ID may vary and may or may not depend on the protocol and the technology used
in the transport plane. (Contact IDs are used more in IP based networks than in SCNs).
content of communication: information exchanged between two or more users of a telecommunications service,
excluding intercept related information
NOTE: This includes information which may, as part of some telecommunications service, be stored by one user
for subsequent retrieval by another.
country code for geographic areas: combination of one, two or three digits identifying a specific country, countries in
an integrated numbering plan, or a specific geographic area (e.g. ITU-T Recommendation E.164 [2])
credit card call: calls charged to a credit card user

dBm: power level with reference to 1 mW
dBm0: at the reference frequency (1 020 Hz), L dBm0 represents an absolute power level of L dBm measured at the
transmission reference point (0 dBr point), and a level of L + x dBm measured at a point having a relative level of x dBr
(See ITU-T Recommendation G.100 [3], annex A.4)
demand service, demand telecommunication service: type of telecommunication service in which the communication
path is established almost immediately, in response to a user request affected by means of user-network signalling
dialling plan: string or combination of decimal digits, symbols, and additional information that defines the method by
which the numbering plan is used
NOTE: A dialling plan includes the use of prefixes, suffixes, and additional information, supplemental to the
numbering plan, required to complete the call (e.g. ITU-T Recommendation E.164 [2]).
directory service provider: provider of directory information e.g. providing an E.164 number from an email address
domain: collection of physical or functional entities within an administrative domain which share a consistent set of
policies and common technologies
domain identifier: globally unique identifier of a domain
NOTE: Domain identifiers may be mapped to the IP Telephony Administrative Domain (ITAD) Numbers,
registered by IANA and used by the TRIP Protocol.

E.164 number: Number conforming to the numbering plan and structure specified in ITU-T Recommendation
E.164 [2].
eavesdropper: unauthorized listening only participant in a communications channel
echo: unwanted signal delayed to such a degree that it is perceived as distinct from the wanted signal
end-user: entity using the services of an IP telephony service provider or transport network operator
end-user domain: collection of physical or functional entities under the control of an End-User which share a
consistent set of policies and common technologies
endpoint: entity that can originate and terminate both signalling and media streams
NOTE: An endpoint can both call and be called. Examples of endpoints include H.323 terminals, SIP User
Agents, Gateways, or Multi-party Conference Units.

firewall: device (computer or software or both), used to restrict and monitor usage of computer(s) or the network
ETSI
8 ETSI TR 102 008 V1.1.1 (2002-01)
first party (call) clearing: first party to hang up clears the call
flow: single data stream, identified by a set of characteristic values (source address, source port, destination address,
destination port, protocol number)
forward call clearing: ability for the calling party to release a call during the call
freephone: call which may be initiated for which the call originator is not charged, also known as a toll free call
functional entity: entity in a system that performs a specific set of functions
functional group: collection of functional entities within a domain. In TIPHON systems functional groups are used to
structure the necessary functionality to offer IP telephony services across domains.

GateKeeper (GK): H.323 entity on the network that provides address translation and controls access to the network for
H.323 terminals, Gateways and MCUs
NOTE: The Gatekeeper may also provide other services to the terminals, Gateways and MCUx such as
bandwidth management and locating Gateways. (See also ITU-T Recommendation H.323 [4]).
gatekeeper service provider: IP service provider who offers services available from gatekeepers to the user
gateway: endpoint on a network which provides for real time, two way communication between an IP based network
and an Switched Circuit Network (SCN)
gateway functional group: functional group containing the functionality of a network functional group also the
functionality necessary to connect calls to the SCN
NOTE: Gateway functional groups may be classified as Originating or Terminating based upon their location
within the topology of a specified call.
Global User Service - Type GU: provides originating and terminating services for users with an E.164 Global Code
number, which requires access to a Global IP-Telephony Directory Service
global service: service defined by the ITU-T, provisioned on the public switched network, to which the ITU-T has
assigned a specific country code to enable the provision of that international service between two or more countries
and/or integrated numbering plans (e.g. ITU-T Recommendation E.164 [2])

H.323 terminal: entity which provides audio and optionally video and data communications capability in point-to-point
or multipoint conferences in packet-based networks
handover interface: physical and logical interface across which the results of interception are delivered from a network
operator/access provider/service provider to an LEMF
home network functional group: functional group which is aware of the service application subscribed to by the
End-User
NOTE: Home network functional groups may be classified as Originating or Terminating based upon their
location within the topology of a specified call.

ICS proforma: document, in the form of a questionnaire, which when completed for an implementation or system
becomes a PICS
identification: entity has identification within a specific context, and may therefore possess multiple identities; one for
each context in which it must be known
NOTE: All identities within a particular context must be unique. An Identification may consist of a simple string,
or a name within a directory mechanism.
ETSI
9 ETSI TR 102 008 V1.1.1 (2002-01)
identity: technical label which may represent the origin or destination of any telecommunications traffic, as a rule
clearly identified by a physical telecommunications identity number (such as a telephone number) or the logical or
virtual telecommunications identity number (such as a personal number) which the subscriber can assign to a physical
access on a case-by-case basis
Implementation Conformance Statement (ICS): statement made by the supplier of an implementation or system
claimed to conform to a given specification, stating which capabilities have been implemented
NOTE: The ICS can take several forms: protocol ICS, profile ICS, profile specific ICS, information object ICS,
etc.
information flow: interaction between a communicating pair of functional entities
Integrated Services Digital Network (ISDN): See ITU-T Recommendation I.112 [5], clause 2.3 definition 308.
intercept related information: collection of information or data associated with telecommunication services involving
the TI, specifically call associated information or data (e.g. unsuccessful call attempts), service associated information
or data (e.g. service profile management by subscriber) and location information
interception (or Lawful Interception): action (based on the law), performed by a network operator/access
provider/service provider, of making available certain information and providing that information to an LEMF
NOTE: In the present document the term interception is not used to describe the action of observing
communications by an LEA.
interception interface: physical and logical locations within the access provider's/network operator's/service provider's
telecommunications facilities where access to the content of communication and intercept related information is
provided
NOTE: The interception interface is not necessarily a single, fixed point.
interception measure: technical measure which facilitates the interception of telecommunications traffic pursuant to
the relevant national laws and regulations
interception subject: person or persons, specified in a lawful authorization, whose telecommunications are to be
intercepted
interConnect Function: functional entity that interconnects transport domains
NOTE: It provides a policy and/or administrative boundary and may police authorized media flows between two
transport domains to ensure they are consistent with the QoS policy specified by the relevant Transport
Resource Manager.
interconnection function: functional entity connecting two networks having differing administrative policy such as
Quality of Service (QoS) or addressing policy but employing the same signalling protocol, and transport technology, at
the point of interconnect
interface: shared boundary between two communicating systems, devices or equipments.
intermediate (transit) network functional group: functional group connecting the Serving Network Functional Group
to the Home Network Functional Group. The Intermediate Network Functional Grouping is only present when the
Serving Network Functional Grouping and the Home Network Functional Grouping are not directly connected
internal intercepting function: point within a network or network element at which the content of communication is
made available
internal network interface: network's internal interface between the internal intercepting function and a mediation
device
International Emergency Preference Scheme (IEPS): IEPS enables authorized users to have priority access to
telecommunication services and priority processing of communications in support of recovery operations during
emergency events
interworking function: function connecting two networks of different signalling or different administrative policies
and/or transport technologies
ETSI
10 ETSI TR 102 008 V1.1.1 (2002-01)
IP address: each network unit connected to an IP network must have a unique Internet or IP address
NOTE: Today's IP addresses is based on IPv4 and are 32-bit numbers with its predefined structure. The IP
address (IPv4) is written as four decimal numbers separated by a point.
IP access provider: company or organization which provides access to IP services which could be either access to a
private IP network (Intranet) or to the Internet
IP broker: provider of a business service to facilitate the exchange of IP traffic between multiple IP service providers
and other network operators
IP end user: user who is connected to an IP network
IP endpoint: device that originates or terminates the IP based part of a call. Endpoints include H.323 clients, and IP
telephony gateways
IP InterConnection Function: function that exists between two VoIP network functions to connect them together
NOTE: An IP interconnection function may be a null function if the two IP network functions belong to the same
administrative domain.
Interworking function: function connecting two networks of different signalling and or transport technology
IP Network: packet transport network comprising one or more transport domains each employing the IP protocol
IP network provider: company or organization which provides access to an IP network
IP number: number conforming to the structure of addresses in IP networks
IP service pr
...