Acronym Guide - L

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L2CP - Layer 2 Control Protocols

L/A - Lifeline Assistance

LACP - Link Aggregation Control Protocol

LAG - Link Aggregation Group

LAMA - Local Automatic Message Accounting

LAN - Local Area Network

LATA - Local Access and Transport Area

LB - Loop Back 

LBL - Local Business Line

LBM - Loop Back Message

LBR - Loop Back Reply

LBR VCC - Low Bit Rate Virtual Circuit Connection

LC - Location Code

LCD - Liquid Crystal Display

LCR - Least Cost Router (provider)

LD - Long Distance

LDMTS - Long Distance Message Telecommunications Service

LDS - Local Digital Switch

LEC - Local Exchange Carrier

LERG™ - Local Exchange Routing Guide

LF - Low Frequency

LFACS - Loop Facilities Assignment and Control System

LIDB - Line Information Data Base

LIFO - Last In First Out

LMDS - Local Multipoint Distribution Service

LNP - Local Number Portability

LOA - Letter Of Agency

LPC - Late Payment Charge

LPE - Loops Per Exchange

LRN - Location Routing Number

LRSL - Local Reseller

LS - Local Switching

LSS - Local Switching Support

LT - Local Transport

LTE - Long Term Evolution (4G or 5G)

LTF - Local Transport Facility

LTS - Long Term Support