T1

Transmission Level 1

A T1 interface terminates or distributes T1 facility signals for the purpose of processing the SS7 signaling links carried by the E1 carrier.

A leased-line connection capable of carrying data at 1,544,000 bits-per-second.

T5100

Tekelec's ATCA platform product.

T-ADS

Terminating Access Domain Selection

TA

Technical Advisory

TAC

Technical Assistance Center

TALI®

Transport Adaptation Layer Interface

Transport Adapter Layer Interface (RFC 3094)

TAP

Test Application Processor

TAPD

Tekelec Abstract Profile Daemon

Provides an abstraction layer that allows SER to fetch user profiles from disparate backend data sources.

Target Set Address

See TSA

TAS

Tone and Announcement Server

Telephony Application Server

TASL

Tekelec Application Scripting Language

The TASL runtime process provides a runtime environment for the application and routes incoming MSUs to the appropriate TASL task.

TATR

Triggerless ANSI TCAP Relay

TBCD

Telephony Binary Coded Decimal

An expansion to BCD where the remaining (unused) bit combinations are used to add specific telephony characters. It is backward compatible to BCD.

TBGTTLS

Transaction-based GTT Loadsharing

TC

Table Copy

Transaction Capabilities

TCA

Transfer Cluster Allowed

TCAP

Transaction Capabilities Application Part

A protocol in the SS7 protocol suite that enables the deployment of advanced intelligent network services by supporting non-circuit related information exchange between signaling points using the Signaling Connection Control Part connectionless service. TCAP also supports remote control - ability to invoke features in another remote network switch.

TCAPCNV

TCAP Conversion

A feature that allows the system to convert MTP-routed TCAP messages from ANSI to ITU format and to convert ITU formatted messages to ANSI.

TCBC

Traffic Change Back Control

TCM

Table Copy Manager

TCOC

Traffic Changeover Control

TCP

Transfer-Cluster-Prohibited

Transfer Control Protocol

Transmission Control Protocol. A connection-oriented protocol used by applications on networked hosts to connect to one another and to exchange streams of data in a reliable and in-order manner.

TCP/IP

Transmission Control Protocol/Internet Protocol

TCP/IP Data Link (DLK)

The transmission path over the Ethernet from the E5-ENET in the EAGLE to the remote host computer or the port on the E5-ENET.

TCP/IP Node

TCR

Transfer Cluster Restricted

TCRC

Traffic Controlled Rerouting Control

TCU

Table Creation Utility

TD

Transmitted Data

TDCB

Table Data Control Block

TDF

Traffic Detection Function

TDM

Terminal Disk Module

Time Division Multiplexing. Data transmissions within individual connections follow a pre-defined multiplex scheme where a fixed time slot is available for each channel.

TDM Card

Terminal Disk Module card

The MAS card that contains the fixed disk drive (hard disk storage), the terminal processor for the 16 serial I/O ports, and an interface to the MDAL (maintenance disk and alarm) card, which contains the removable cartridge drive and alarm logic.

TDMA

Time Division Multiple Access

A time division multiplex approach which assigns a fixed number of slots per round. The slots can reflect the requirements of the individual stations. If these requirements are known, TDMA can support high efficiency.

TDM-GTI

TDM Global Timing Interface

TDP

TDR

Transaction Detail Record

TDRs contain dozens of attributes about each item in a transaction. TDRs offer a wealth of information that service providers can turn into lower costs, higher margins and improved network performance.

Tekelec 5100 Integrated Application Platform

A line up of one or more application frames at a single site providing a deployable customer solution. Tekelec platform software provides management and configuration of each hardware component. For this release of the T5100 platform one frame and one ATCA shelf are supported.

Tekelec Platform Distribution

See TPD

TekMedia

TekMedia SMS is an innovative, modular solution, which enables operators to deliver advanced messaging without costly network over-engineering or overhaul. Carriers can grow capacity and capabilities incrementally or create a complete, end-to-end SMS solution.

TEKOS

Tekelec Operating System

TekPath

Tekelec private ENUM solution consists of a provisioning mechanism and an ENUM query/ response server. The carrier ENUM database is provisioned from a number of sources. These include both ported and non-ported telephone number data already provided from the number portability administration center (NPAC) database with Tekelec’s Local Service Management (LSMS) solution and local exchange routing guide (LERG) data. Additionally, Tekelec provides a standard, web-based interface so carriers can provision their own data, if necessary.

TekQuest

Legacy Tekelec’s bug tracking software.

TekSCIM

Tekelec’s TekSCIM service mediation solution enables service interaction between legacy, mobile, VoIP and IMS networks. It bridges technologies, allowing SS7-based, intelligent network (IN) service platforms to coexist and interact with SIP-based platforms to deliver unified services across virtually any network type.

TElephone NUmber Mapping (ENUM)

See ENUM

Terminal Disk Module (TDM)

See TDM

T5100 Applications Shelf

The ATCA shelf deployed for the T5100 platform. The T5100 applications shelf is PICMG- 3.0-compliant. The T5100 applications shelf is a COTS (commercial off-theshelf) item that is loaded with a combination of third-party-designed blades, thirdparty software, and Tekelec software.

T5100 Frame

The PICMG-3.0-compliant frame deployed for the T5100 platform.

TEM

Telecommunication Equipment Manufacturers

Termination

A stage in the lifecycle of a Virtual Network Function (VNF) or a network service (NS) that shuts down and removes VNF instances, which releases NFVI resources associated to the VNF or NSs, and return them to the NFVI resource pool if applicable.

TF

Toll Free

TFA

Transfer Allowed (Msg)

TFC

Transfer Control

Transfer Controlled (Msg)

Transfer Congested

TFP

Transfer Prohibited (Msg)

A procedure included in the signaling route management (functionality) used to inform a signaling point of the unavailability of a signaling route.

TFR

Transfer Restricted

TFRC

Traffic Forced Rerouting Control

TFTP

Trivial File Transfer Protocol

TGN

Trunk Group Number

TH

Topology Hiding

Threshold Prohibited

An RC group that has some available entities, but the sum of the available weights is not sufficient to meet the in-service threshold for the RC group.

Throttling

A mechanism to limit the number of messages being routed to a particular destination based on the various factors, like Event Type, Event Origination, Event Destination, and Shed Rate.

TIA

Telecommunication Industry Association

TIF

Triggerless ISUP Framework

TIF ASD

Triggerless ISUP Framework Additional Subscriber Data

TIF GRN

Triggerless ISUP Framework Generic Routing Data

TIF NP

Triggerless ISUP Framework Number Portability feature

TIF NS

Triggerless ISUP Framework Number Substitution feature

TIF SNS

Triggerless ISUP Framework Simple Number Substitution feature

Time Zone

A region on Earth that has a uniform, legally mandated standard time, usually referred to as local time.

TIMR

CAM Timer

TINP

Triggerless ISUP based Number Portability

TISPAN

Telecoms and Internet converged Services and Protocols for Advanced Networks

TKLC

Tekelec

TLAC

Traffic Link Available Control

TLDN

Temporary Location Directory Number

TLNP

Triggerless LNP

TLS

Transport Layer Security

A cryptographic protocol that provides security for communications over networks such as the Internet. TLS encrypts the segments of network connections at the transport layer end-to-end. TLS is an IETF standards track protocol.

TLV

Type/Length/Value

TMDD

Terminal Multiplexer Device Driver

TMM

Tekelec Mobile Messaging

Family of short message routing and network querying components.

TMN

Telecommunication Management Network

TN

Telephone Number

A 10-digit ported telephone number.

TNL

Tekelec Mobile Messaging Network Layer

Tekelec proprietary interface over which Mobile Messaging components communicate.

TNN

Trouble Notification Number

TNS

Transit Network Selection

Triggerless Number Screening

TO

Timing Output

TOBR

TCAP Opcode Based Routing

A feature that encompasses opcode-based routing and TCAP segmentation, and CdPA SSN-based routing.

TOCA

Timing Output Composite Automatic

TOD

Time of Day

Tomcat

An SMSR web application which is deployed with an (MPE) installed (JVM).

TON

Type of Number

Tools

A collection of command-line tools for managing and troubleshooting Tekelec Mobile Messaging components.

Topology Hiding

The CPF displays as a single large CDF to the CTFs, and vice-versa. CPF topology hiding occurs for both Request and Answer messages. When sending a Request message upstream, it refers to the hiding of the downstream (CTF) host ID by the DSR when sending a message to the upstream (CDF) peer. Topology hiding involves modifying the Origin-Host and Origin-Realm AVPs.

The removal of Diameter host names from messages. This is most often required at the boundary between two service providers with the goal of limiting the information that another service provider can discover as a result of Diameter traffic traveling between the carrier’s networks. For DSR CPA, the CPF will appear as a single large CDF to the CTFs, and vice-versa. CPF topology hiding occurs for both Request and Answer messages. When sending a Request message upstream, it refers to the hiding of the downstream (CTF) host ID by the DSR when sending a message to the upstream (CDF) peer. Topology hiding involves modifying the Origin-Host and Origin-Realm AVPs.

Top-up

A quota convention that allows a subscriber to obtain additional units for an existing plan.

TOS

Type of Service

TOS486

TEKOS for the 486

TOS4M

TEKOS for the 486 implemented via MTOS

TOS4V

TEKOS for VxWorks

TP

Terminal Processor

Test Plan

Twisted Pair

Trigger Point

tp_ccli

CDR Query Tool

A command-line interface for decoding call detail records (CDRs).

tp_qcli

AMS Query Command Line Interface.

A command-line interface for querying messages stored in the AMS.

TPC

True Point Code

TPD

Tekelec Platform Development

The Oracle Communications Tekelec Platform (TPD) is a standard Linux-based operating system packaged and distributed by Oracle. TPD provides value-added features for managing installations and upgrades, diagnostics, integration of 3rd party software (open and closed source), build tools, and server management tools.

TPM-8

TPM-16

Terminal Multiplexer 16 Port

TPS

Transactions Per Second

A method of measuring how quickly a network can transmit and receive data. Capacities listed with “TPS” units involve the maximum of the receive rate and the transmit rate, and the worst-case assumption is that the transmit and receive rates are the same. Under the TU model, transaction units per second are calculated with the total transaction unit value and the advertised card capacity.

TR

Technical Reference

TRA

Traffic Restarting Allowed

Transaction

A sequence of information exchange and related work (such as database updating) that is treated as a unit for the purposes of satisfying a request and for ensuring database integrity. For a transaction to be completed and database changes to made permanent, a transaction has to be completed in its entirety. In IP Signaling, a transaction is an MSU sent and an MSU received with a certain feature set applied to the processing of the MSUs.

A Diameter Request message and Answer message response between two Diameter nodes. A transaction between two peers is referred to as a peer-to-peer transaction that is identified by a hop-by-hop ID in the Diameter message header. A transaction between a Diameter client and server is referred to as an end-to-end transaction that is identified by an end-by-end ID in the Diameter message header.

Transaction-Based GTT Loadsharing

A feature that enables GTT-routed messages that are part of the same transaction to be load shared to the same destination in a MAP or MRN group.

Transaction Lifetime

The Transaction Lifetime attribute limits the total time that Diameter will attempt to forward a Request, including initial and all subsequent routing attempts. The Transaction Lifetime is evaluated for expiration only at re-routing attempts. Given that the Transaction Lifetime is evaluated only at re-rerouting attempts, the Transaction Lifetime is not applicable if the Max per Message Forwarding Allowed is set to 1, and the Transaction Lifetime can be elongated by as much as 1 Pending Answer Timer unit in some cases.

Transaction Unit

Indicates the relative cost of an IP signaling transaction. Some transactions are more expensive than others in terms of IP signaling card capacity. The base transaction unit is 1.0. A transaction that is less expensive than the base has a transaction unit less than 1.0, and one that is more expensive has a transaction unit greater than 1.0.

Transition

This occurs when one interval ends and a new one begins.

Translation Service Module

See TSM

Translation Type

See TT

Translation Type Mapping

A feature in the EAGLE that maps standardized internetwork translation type values to intranetwork translation type values used within any particular network. The process of examining the existing translation type value and replacing it with an associated translation type value. This process occurs only if the existing value is included in the provisioned data set.

Transport

An SCTP association with remote hosts over an underlying IP network.

Transport Address

An address that serves as a source or destination for the unreliable packet transport service used by SCTP. In IP networks, a transport address is defined by the combination of an IP address and an SCTP port number. Only one SCTP port may be defined for each endpoint, but each SCTP endpoint may have multiple IP addresses.

Transport Connection

A TCP or SCTP connection directly between two Diameter peers.

Transport Manager

Provides the interface to the Adaptation Layer (M3UA) and manages the connections and data transmission from SCTP sockets.

Trap

A mechanism used in the context of SNMP (Simple Network Management Protocol) for one-way event notification.

TRBL

Trouble

TRC

Termination Response Code

TRCC

Traffic Signaling Congestion Control

TrGW

Transition Gateway

In the 3GPP IMS architecture, the TrGW is a network functional entity incorporated into the functionality of the IBCF TrGW ensures that addressing associated with inbound and outbound media streams is correct, which is essentially a NAT (Network Address Translation) function. TrGW is also referred to as IM-AG (IMS Access Gateway).

Trial GPL

A generic program load that is downloaded to a card from the removable cartridge.

Triggerless LNP

A feature that gives service providers a method to route calls to ported numbers without having to upgrade their signaling switch (end office or mobile switching center) software. This feature uses the gateway screening stop action TLNP to intercept through-switched ISUP messages on the LIM.

TRM

Termination Response Mode

True Point Code

The point code defining a destination in the Destination Point Code table.

Trusted Network

A Diameter network that does not have home network topology information hidden by the Diameter Topology Hiding features.

TRW

Traffic Restarting Waiting

TS

Test Strategy

Traffic Server

Technical Specification

Teleservices

Target Set

TSA

Target Set Address

An externally routable IP address that the IPFE presents to application clients. The IPFE distributes traffic sent to a target set address across a set of application servers.

TSAP

Transport Service Address Point

TSB

Technical Service Bulletin

TSC

Time Slot Counter

TSCSYNC

Time Slot Counter Synchronization

The Time Slot Counter (TSC) Synchronization feature allows the system’s A (Active) and B (Standby) internal clocks to be synchronized by the standby OAM GPSM-II card.

TSE

Technical Service Engineer

TSET

Transmitter Signaling Element Timing

TSFC

SS7 Traffic Signaling Flow Control

TSM

Translation Services Module

Provides translation capability and Global Title Translation (GTT) implementation for the Local Number Portability (LNP) function and is used for downloading gateway screening tables to link interface modules (LIMs).

TSPC

True or Secondary Point Code

TSU

Test Signal Unit

TSVM

Technical Service Vendor Manager

TSRC

Traffic Signal Route Control

TST

SMS Tester

Mobile Messaging test tool that can send messages and query network elements.

TT

Translation Type

Resides in the Called Party Address (CdPA) field of the MSU and determines which service database is to receive query messages. The translation type indicates which Global Title Translation table determines the routing to a particular service database.

TT Independence for LNP Queries

A feature that provides the ability for EAGLE to process four types of LNP Queries (IN, AIN, PCS, and WNP) using the same Translation Type.

TTG

Traffic Throttle Group

Tunnel Terminating Gateway

TTL

Time to Live

TTN

Translation Type Name

TTP

Troubleshooting Trigger Point

A point within DRL at which the flexroute library is invoked to determine whether a Diameter message matches any of the active traces that are configured to be evaluated there.

TTR

Team Test Ready

Triggerless TCAP Relay

Trace Transaction Record. A record describing a Diameter transaction, including all of the Diameter messages that were part of the transaction, plus the operations performed by DSR while processing those messages.

TU

Transaction Unit

See TPS

TUP

Telephone User Part

TV

Ticket Voucher

TVG

Group Ticket Voucher

TWAN

Trusted Wireless Area Network

TX

Transmit