WLR3 Glossary
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Address Matching
Dialogue service to confirm an end users address details
ADSL
Asymmetric Digital Subscriber Line
Anonymous Call Rejection
Anonymous Call Rejection (ACR) is a network based service that allows End Users to block calls from people who have withheld their numbers.
Appointing
Dialogue service to confirm and book appointments
B2B
Business to Business
Bar 141
Prevents the use of the "141" Withhold Number prefix on a per call basis
Bar 1470
Disables the 1470 facility so that an end user's Withhold Number service cannot be overridden
Bar 1471
Allows end user's to recent the use of the 1471/Call Return service
Block Terminal
A small terminal box that is used to connect a Redcare compatible alarm to a phone line.
Broadband
Used to describe a high-capacity, two-way data link between an end user and an access network
BT Retail
The sales division of BT Group, selling BT Group's voice and data services to individuals and businesses
BTR
BT Retail
BTW
BT Wholesale
Bundled Orders
Where a CP requires multiple single lines to be installed at the same address they may, using the Provide Order, bundle together those multiple orders to enable all lines to be delivered at the same time.
Bypass Number
A second number that is associated with a line that allows a specific feature on that line to be overridden by incoming callers to the bypass number
C and NF
Calling and Network Features
Call Return
Allows the end user, by dialling 1471, to hear the number of the last caller together with the time and date of the call.
Call Sign
Users are provided with an second number to their existing Telephone Number. When the call sign number is dialled, the telephone connected to the line will ring with a different cadence to the normal ring tone.
Call Waiting
With Call Waiting, a gentle beep during a call alerts the End User that another call is coming in.
Caller Display
Allows an End User (where they have a telephone with a visual display) to view a caller's number when the call is being received.
Caller Re-direct
When an End User ceases service and takes up service elsewhere, or has a line renumbered, Caller Redirect can be used to refer callers to the new number, where the End User requests this.
Cancel Other
Enables a CP to cancel a line transfer request, where they are the losing party, where a case of misselling has been identified.
Care Levels
Openreach offer three different levels of service when it comes to assurance, Levels 1,2 & 3, available on Basic and Premium Single Lines and Multilines.
CCCB
Customer Controlled Call Barring
CCCD
Customer Controlled Call Diversion
CDR
Call Data Records
Choose To Refuse
Enables an End User to bar the telephone number of the last answered, incoming call. A maximum of ten numbers can be barred at any one time.
CLI
Calling Line Identifier
CNI
Ceased Number Intercept. Another name for Caller Re-direct
COA
Change Of Address
CP
Communications Provider (including BT Retail, BT Wholesale and Global Services)
CPA
Called Party Answer
CPE
Customer Premises Equipment
CPS or CPSO
Carrier Pre Select / Carrier Pre Select Operator
CR
Caller Re-Direct or Change Request
CUPID
Communications Provider ID
Customer Controlled Call Barring
Allows End Users to bar certain types of outbound calls, and/or all inbound calls
Customer Controlled Call Diversion
Allows End Users to divert their calls to another number anywhere in the UK as well as to mobile and international numbers.
DACS
Digital Access Carrier System
DASS
Digital Access Signalling System
Debt Management
A family of Openreach products which allow CPs to restrict an end user's service in a manner that assists CPs in recovering outstanding debt.
Dialogue Services
Collective name for a number of tools that allows CPs to interact with Openreach to gain information and perform certain order fulfilment and assurance activities
Direct Connect
The Direct Connect service will automatically dial a pre-set number when the handset of the connected telephone is lifted.
DMSU
Digital Main Switching Unit
DP
Distribution Point
DPNSS
Digital Private Network Signalling System
DTMF
Dual-tone multi-frequency
DUNS ID
Dunn & Bradstreet Universal Numbering Scheme. A nine-digit code assigned by D&B to identify unique business's separate and distinct operations
EMP
Equivalence Management Platform
Equivalence Management Platform
Openreach's strategic platform providing equal access to its products for all CPs
ETSI
European Telecommunications Standards Institute
EU (End User)
The customer who contracts with the CP for telephone service
EU
End User
Excess Construction Charges
Charges in addition to normal connection charges, where additional infrastructure is provided to give new or extended service at a customer's site or other requested location.
Fault History
A CP may request from Openreach a fault history (closed faults only), covering the previous 90 days, in respect of any line they own. The CP does this with a Fault History request.
Featureline
An exchange based product available from BT Retail. Featureline provides the End User with typical small PBX functionality, but without the need for a PBX.
Gain
Gain (or Line Gain) refers to the ratio between the signal and the background noise on the phone line
IACB
Indirect Access Call barring
ICB
Inbound Call Barring
IDD
International Direct Dial
Indirect Access
A service which allows an End User to route an outbound call via a different call provider by dialling an access code prior to the call
Indirect Access Call Barring
A network-based feature that rejects any outgoing call attempt by an End User attempting to use an Indirect Access code.
ISDN
Integrated Services Digital Network
KCI1
Indicates that an order has been accepted by the Openreach Fulfilment system and is being processed.
KCI2
Informs a CP that an order has been committed to by Openreach's fulfilment systems, which means that the job has been built, the date allocated and any excess construction charges that apply have been calculated
KCI3
Informs a CP that the order has been completed by Openreach's fulfilment systems, which means that the order requested by the CP has been actioned and no further tasks remain outstanding
KCI4
Advises a CP that an order has been rejected due to a fatal error during the fulfilment process.
KCI5
Advises a CP that an order has been cancelled either at the request of the CP or because a fatal error was detected during the fulfilment of an order after KCI1 (Acknowledgement) has been sent.
KCI
Keeping Customers Informed. Updates that a CP will receive in response to any orders that they place which have been accepted by Openreach following order validation.
LEA
Law Enforcement Agency
Line Box
A type of termination that is used with analogue lines consisting of a small box with a faceplate that the End User can plug one telephone into.
LLU
Local Loop Unbundling
Loop Disconnect
Pulse dialling or loop disconnect dialling, also called Rotary or Decadic dialling in the United Kingdom
LPA
Line Plant Availability
NAD
Name and Address Database
NCA
Nuisance Call Advice
NCP
Network Call Performance
NCS
Nuisance Call Service
Non Served Premises (NSP)
Refers to locations which wouldn't normally be connected to the Openreach network and which are unlikely to have a postal address
Non-CLI Damage Report
Enables CPs to notify Openreach where they have identified damage to part of the network.
NSP
Non-Served Premises
NTE
Network Termination Equipment
NTP
Network Terminating Point
NTTP
Network Test and Termination Point
Nuisance Call Service
The part of BT that provides advice on dealing with nuisance calls
Number Portability
The process by which numbers are moved between different network operators
OCB
Outbound Call Barring
OFCOM
The regulator for the UK communications industries, with responsibilities across television, radio, telecommunications and wireless communications services.
OFTEL
The UK telecommunications regulator that preceded the creation of
Outbound Call Barring
Allows a CP to prevent End Users making outbound calls over the Openreach network, except to emergency service numbers.
PAF
Postcode and Address File
PBX
Private Branch Exchange
PE
Product Establishment
PN
Presentation Number
PPU
Pay Per Use
Product Establishment
The process that CPs must go through before they are able to order the WLR3 product
PSTN
Public Switched Telephone Network
QoS
Quality of Service
Quality of Service
Scheme introduced by Ofcom which mandates CPs over a certain size to report performance statistics in a number of areas, the purpose of which is to allow consumers to compare telecoms providers.
RCF
Remote Call Forwarding
Redcare
A service that provides continuous monitoring of a telephone line that links a professionally installed alarm system on a customer's premises to an Alarm Receiving Centre (ARC).
Remote Call Forwarding
When an End User ceases service and takes up service elsewhere, or has a line renumbered, Remote Call Forward (RCF) can be used to divert calls to an alternative number, where the End User requests this.
Retailer
A legal entity marketing and selling telecom products to end users
RID
Retailer ID
Route To Credit Control
When applied to a line, this service automatically connects an End User to a CP help desk when the End User attempts to make outgoing calls (including 1471 calls).
RTCC
Route To Credit Control
Service Establishment
The process by which Openreach takes on and sets up new customers in order to enable them to become a Communications Provider.
Smart Divert
Same service as CCCD but providing the End User remote access so that the divert options can be applied from another line.
SMC
Service Management Centre
SMP
Significant Market Power
Social Telephony
Generic term for CP products which are designed for a section of the market who make very small use of the phone.
TCD
Temporary Call Diversion
Temporary Call Diversion
Allows CPs to request that calls be diverted on a faulty line, while the fault is in the process of being repaired. TCD cannot be placed on a line until diagnostic testing has been completed as it would impact on the testing.
Temporary Out Of Service
When a CP applies Temporary Out of Service (TOS) on an End User's line a 'soft' dial tone is used and they can only call 999. All other incoming, outgoing (including via CPS) and emergency calls will be barred irrespective of the method of dialling.
Time Related Charges
Charges raised to cover time spent by Openreach engineers repairing faults, where this work is not covered under the terms of the Openreach service and for providing or rearranging services or equipment where standard Openreach charges are not available.
ToS
Temporary Out Of Service
TPI
Third Party Integrator
TPON
Telephony over Passive Optical Networks
TRC
Time Related Charges
UXD5
A small rural telephone exchange, developed and supported within BT. The first digital exchange in the BT network, serving a maximum of 800 customers.
Wholesale 1571
A chargeable unbranded messaging service
Withhold Number
End Users can prevent their telephone number being released across the network on a per call or per line basis. The End User's CP must request the Withhold Number service from Openreach. There is no charge for this service.
WLR
Wholesale Line Rental
1280
Indirect access pre-fix to route a call over the Openreach network even if CPS is active on the line.
141
The prefix used by an End User, before dialling a telephone number, to ensure their number is withheld for that call
1470
Prefix used by an End User, before dialling a telephone number, to ensure their number is released for that call.
1471 Extra
When using 1471 Extra the EU can dial the digits ‘1471’ to hear details of up to the last five calls received, together with the time and date (unless withheld or from an exchange where the callers number is not available). After dialling ‘1471’ instructions will be given advising how to use the services.
1471
See Call Return
1571
Key sequence used on a telephone handset to access Call Minder and Wholesale 1571 messaging services