Glossary

Admin Call Forward / Admin Call Diversion – calls are forwarded to an alternative telephone number, but the lines are not ceased – Monthly option affects the call divert for one month then stops – Quarterly option is ongoing

21C 21st Century
ADSL Asymmetric Digital Subscriber Line (Broadband)
BGP Border Gateway Protocol
BT BT Wholesale
CCoP Customer Controlled Profiles
CDD Committed Delivery Date
CDR Call Data Record
CLIP Caller Line Identity Presentation
CLIR Calling Line Identity Restriction
COLP Connected Line Identity Presentation
COLR Connected Line Identity Restriction
CPE Customer Premises Equipment
CPS Carrier Pre-Selection
CR CR Caller Redirect – ceases the line and forwards the call to another telephone number
DIA Direct Internet Access
DLM Dynamic Line Management
DN Dialled Number
DSLAM Digital Subscriber Line Access Multiplexer
EAD Ethernet Access Direct
EBC Matrix Element Based Charging Matrix
ECCs Excess Construction Charges
EDI Electronic Data Interchange
EFM Ethernet First Mile
FTTC Fibre to the Cabinet
FTTP Fibre to the Premises
GEA General Ethernet Access
HA High Availability
ICB Permanent Incoming Barring
IDA Indirect Access
ISDN Integrated Services Digital Network
ISDN2
ISDN DASS
Pair of digital lines, for voice or data
no longer available – digital lines that can be partitioned by billing number – 1 to 30 lines
ISDN2 Complex 2 or more digital lines for a telephone system, max 4 x ISDN2 giving 8 lines
ISDN30e Digital lines for a telephone system, 8 to 30 lines
ISE Internet Script Editor
L2TP Layer 2 Tunnel Protocol
Labels The destination number for a NTS number
LCR Low Cost Routing
LLU Local Loop Unbundling
MPLS Multi Protocol Label Switching
MSANs Multi-Service Access Nodes
NGN Next Generation Network
NGS Next Generation Switch
NSSP Non Standard Solution Process
NTE Network Termination Equipment
NTS Number Translation Service – the service distribution for all non-geographic numbers i.e. 0800/0845 etc numbers that are not attached to a fixed telephone line
OCP Originating Communications Provider
P2P Point to Point
PAYG Pay as You Go
PBX Telephone System
POP Point of Presence
PPPoE Point to Point Protocol over Ethernet
PSTN Public Switched Telephone Network
Schedule Target Used to limit the number of concurrent calls
SIM Simultaneous
SLA Service Level Agreement
SMPF Shared Metallic Path Facility
SNDDI Single Number Direct Dial Inbound
SSFP Service Specific Face Plate
TCP Terminating Communications Provider
VDSL2 Very High Speed Digital Subscriber Line 2
VPN Virtual Private Network
VSP Virtual Storage Platform
WAN Wide Area Network
WBC Wholesale Broadband Connect
WLR Wholesale Line Rental