Important list of full forms terms Mostly used in Telecommunication Engineering.Telecommunication engineering is a field of engineering that deals with the transmission and reception of information over long distances. Telecommunication engineers work to design, develop, and maintain communication systems that are essential in our daily lives. As with any specialized field, telecommunication engineering has its own set of abbreviations list of telecom, which are commonly used in the industry.
Important list of full forms terms Mostly used in Telecommunication Engineering
Telecommunication engineering is a vital field in our interconnected world. From voice calls to data transmission, telecommunication engineers design, develop, and maintain the systems that make it all possible. The field of telecommunication engineering involves a lot of technical terminology, including a long list of full forms that are commonly used in the industry. Understanding these telecommunication abbreviations is essential for anyone who wants to work in the field of telecommunication engineering.
As with any specialized field, telecommunication engineering has its own set of abbreviations, which are commonly used in the industry. In this blog, we will discuss some of the most commonly used full forms in telecommunication engineering and their meanings.
AC – Alternating Current
ADSL – Asymmetric Digital Subscriber Line
AM – Amplitude Modulation
AMPS – Advanced Mobile Phone System
ASK – Amplitude Shift Keying
AWGN – Additive White Gaussian Noise
BERT – Bit Error Rate Test
B-ISDN – Broadband Integrated Services Digital Network
BPSK – Binary Phase Shift Keying
CATV – Cable Television
CDMA – Code Division Multiple Access
CMTS – Cable Modem Termination System
CO – Central Office
CSMA/CD – Carrier Sense Multiple Access/Collision Detection
dB – Decibel
DCS – Digital Cellular System
DDS – Direct Digital Synthesis
DECT – Digital Enhanced Cordless Telecommunications
DHCP – Dynamic Host Configuration Protocol
DMT – Discrete Multitone
DSSS – Direct Sequence Spread Spectrum
DTMF – Dual Tone Multi-Frequency
E1 – European digital transmission format level 1
E911 – Enhanced 911
EDGE – Enhanced Data rates for GSM Evolution
EIRP – Effective Isotropic Radiated Power
EMS – Enhanced Messaging Service
ESN – Electronic Serial Number
FDD: Frequency Division Duplexing
FEC: Forward Error Correction
FSK: Frequency Shift Keying
GPRS: General Packet Radio Service
GSM: Global System for Mobile Communications
HDLC: High-Level Data Link Control
HDSL: High bit-rate Digital Subscriber Line
HSPA: High-Speed Packet Access
HTTP: Hypertext Transfer Protocol
I/O: Input/Output
IAX: Inter-Asterisk eXchange
ICD: Interface Control Document
IEC: International Electrotechnical Commission
IEEE: Institute of Electrical and Electronics Engineers
IETF: Internet Engineering Task Force
IGP: Interior Gateway Protocol
IMAP: Internet Message Access Protocol
IP: Internet Protocol
IPTV: Internet Protocol Television
IR: Infrared
IRC: Internet Relay Chat
IRDA: Infrared Data Association
ISDN: Integrated Services Digital Network
ISO: International Organization for Standardization
ISP: Internet Service Provider
ITU: International Telecommunication Union
IVR: Interactive Voice Response
LAN: Local Area Network
LDPC: Low-Density Parity-Check
LED – Light Emitting Diode
LOS – Line Of Sight
MAC – Media Access Control
MAN – Metropolitan Area Network
Mbps – Megabits per second
MIMO – Multiple-Input Multiple-Output
MPLS – Multiprotocol Label Switching
MSK – Minimum Shift Keying
MTU – Maximum Transmission Unit
NAT – Network Address Translation
NLOS – Non-Line Of Sight
NTP – Network Time Protocol
OFDM – Orthogonal Frequency Division Multiplexing
OSI – Open Systems Interconnection
OSPF – Open Shortest Path First
PABX – Private Automatic Branch Exchange
PAL – Phase Alternating Line
LTE – Long Term Evolution
VoIP – Voice over Internet Protocol
PSTN – Public Switched Telephone Network
GSM – Global System for Mobile Communications
CDMA – Code Division Multiple Access
WLAN – Wireless Local Area Network
WAN – Wide Area Network
TCP/IP – Transmission Control Protocol/Internet Protocol
QoS – Quality of Service
OSI – Open Systems Interconnection
ISDN – Integrated Services Digital Network
BGP – Border Gateway Protocol
MPL – Multiprotocol Label Switching
SS7 – Signaling System 7
SIP – Session Initiation Protocol
DHCP – Dynamic Host Configuration Protocol
SNMP – Simple Network Management Protocol
NAT – Network Address Translation
ATM – Asynchronous Transfer Mode
RADIUS – Remote Authentication Dial-In User Service
VPN – Virtual Private Network
IEEE – Institute of Electrical and Electronics Engineers
WDM – Wavelength Division Multiplexing
SDH – Synchronous Digital Hierarchy
SONET – Synchronous Optical Network
DWDM – Dense Wavelength Division Multiplexing
VoLTE – Voice over LTE
eNodeB – Evolved Node B
MIMO – Multiple Input Multiple Output
GPRS – General Packet Radio Service
HSPA – High Speed Packet Access
LTE-A – Long Term Evolution-Advanced
OLT – Optical Line Terminal
ONT – Optical Network Terminal
PON – Passive Optical Network
DSL – Digital Subscriber Line
FTTH – Fiber to the Home
FEC – Forward Error Correction
RAN – Radio Access Network
EPC – Evolved Packet Core
IMS – IP Multimedia Subsystem
WAP – Wireless Application Protocol
NFC – Near Field Communication
IMEI – International Mobile Equipment Identity
SMS – Short Message Service
USSD – Unstructured Supplementary Service Data
SIM – Subscriber Identity Module
CMTS – Cable Modem Termination System
DOCSIS – Data Over Cable Service Interface Specification
FTTN – Fiber to the Node
RTT – Round Trip Time
TCP – Transmission Control Protocol
UDP – User Datagram Protocol
DNS – Domain Name System
HTTP – Hypertext Transfer Protocol
HTTPS – Hypertext Transfer Protocol Secure
FTP – File Transfer Protocol
TFTP – Trivial File Transfer Protocol
SNMP – Simple Network Management Protocol
ICMP – Internet Control Message Protocol
RIP – Routing Information Protocol
OSPF – Open Shortest Path First
BGP – Border Gateway Protocol
VLAN – Virtual Local Area Network
NAT – Network Address Translation
CIDR – Classless Inter-Domain RoutingVRRP – Virtual Router Redundancy Protocol
RSTP – Rapid Spanning Tree Protocol
MSTP – Multiple Spanning Tree Protocol
LACP – Link Aggregation Control Protocol
LLDP – Link Layer Discovery Protocol
SNMPv3 – Simple Network Management Protocol version 3
ACL – Access Control List
IDS – Intrusion Detection System
IPS – Intrusion Prevention System
QoS – Quality of Service
SSO – Single Sign-On
LDAP – Lightweight Directory Access Protocol
SAML – Security Assertion Markup Language
SSL – Secure Sockets Layer
TLS – Transport Layer Security
AES – Advanced Encryption Standard
DES – Data Encryption Standard
RSA – Rivest-Shamir-Adleman
SHA – Secure Hash Algorithm
HMAC – Hash-based Message Authentication Code
EAP – Extensible Authentication Protocol
RADIUS – Remote Authentication Dial-In User Service
TACACS+ – Terminal Access Controller Access-Control System Plus
WPA – Wi-Fi Protected Access
WEP – Wired Equivalent Privacy
SSID – Service Set Identifier
MAC – Media Access Control
OFDM – Orthogonal Frequency-Division Multiplexing
DSSS – Direct Sequence Spread Spectrum
CDMA – Code Division Multiple Access
GSM – Global System for Mobile Communications
LTE – Long-Term Evolution
WiMAX – Worldwide Interoperability for Microwave Access
TDMA – Time Division Multiple Access
FDMA – Frequency Division Multiple Access
SDMA – Space Division Multiple Access
MIMO – Multiple Input Multiple Output
SISO – Single Input Single Output
SIMO – Single Input Multiple Output
MISO – Multiple Input Single Output
OFDMA – Orthogonal Frequency Division Multiple Access
SC-FDMA – Single Carrier Frequency Division Multiple Access
PDU – Protocol Data Unit
PSD – Power Spectral Density
BER – Bit Error Rate
PER – Packet Error Rate
SER – Symbol Error Rate
FER – Frame Error Rate
ETSI – European Telecommunications Standards Institute
ITU – International Telecommunication Union
IETF – Internet Engineering Task Force
IEEE – Institute of Electrical and Electronics Engineers
3GPP – 3rd Generation Partnership Project
3GPP2 – 3rd Generation Partnership Project 2
PHY – Physical Layer
MAC – Media Access Control
RRC – Radio Resource Control
RLC – Radio Link Control
PDCP – Packet Data Convergence Protocol
GTP – GPRS Tunnelling Protocol
SRB – Signalling Radio Bearer
DRB – Data Radio Bearer
PTP – Precision Time Protocol
NTP – Network Time Protocol
VoLTE – Voice over LTE
VoIP – Voice over Internet Protocol
PSTN – Public Switched Telephone Network
ISDN – Integrated Services Digital Network
MPLS – Multi-Protocol Label Switching
GMPLS – Generalized Multi-Protocol Label Switching
LDP – Label Distribution Protocol
RSVP – Resource Reservation Protocol
MPLS-TP – MPLS Transport Profile
IPsec – Internet Protocol Security
IKE – Internet Key Exchange
ESP – Encapsulating Security Payload
AH – Authentication Header
SSL VPN – Secure Sockets Layer Virtual Private Network
IPSec VPN – Internet Protocol Security Virtual Private Network
EPC – Evolved Packet Core
RAN – Radio Access Network
RNC – Radio Network Controller
BTS – Base Transceiver Station
BSC – Base Station Controller
NodeB – Node B
eNodeB – Evolved Node B
E-UTRAN – Evolved Universal Terrestrial Radio Access Network
HSPA – High Speed Packet Access
HSUPA – High Speed Uplink Packet Access
HSDPA – High Speed Downlink Packet Access
VoWiFi – Voice over Wi-Fi
SS7 – Signaling System No. 7
NGN – Next Generation Network
IMS – IP Multimedia Subsystem
PSTN – Public Switched Telephone Network
ATM – Asynchronous Transfer Mode
SONET – Synchronous Optical Network
SDH – Synchronous Digital Hierarchy
DWDM – Dense Wavelength Division Multiplexing
OTN – Optical Transport Network
NMS – Network Management System
EMS – Element Management System
OSS – Operations Support System
BGP – Border Gateway Protocol
OSPF – Open Shortest Path First
MPLS-VPN – Multi-Protocol Label Switching Virtual Private Network
VPLS – Virtual Private LAN Service
MPLS-TE – Multi-Protocol Label Switching Traffic Engineering
VRF – Virtual Routing and Forwarding
CoS – Class of Service
DSCP – Differentiated Services Code Point
AF – Assured Forwarding
EF – Expedited Forwarding
IGP – Interior Gateway Protocol
EGP – Exterior Gateway Protocol
ICMP – Internet Control Message Protocol
IGMP – Internet Group Management Protocol
PIM – Protocol Independent Multicast
SIP – Session Initiation Protocol
RTP – Real-time Transport Protocol
RTCP – Real-time Transport Control Protocol
DNS – Domain Name System
DHCP – Dynamic Host Configuration Protocol
NAT – Network Address Translation
WLAN – Wireless Local Area Network
MPLS – Multi-Protocol Label Switching
LSR – Label Switching Router
LSP – Label Switched Path
QPSK – Quadrature Phase-Shift Keying
FSK – Frequency Shift Keying
PSK – Phase Shift Keying
OFDM – Orthogonal Frequency Division Multiplexing
MIMO – Multiple Input Multiple Output
SISO – Single Input Single Output
SIMO – Single Input Multiple Output
MISO – Multiple Input Single Output
BER – Bit Error Rate
PER – Packet Error Rate
SNR – Signal to Noise Ratio
SINR – Signal to Interference plus Noise Ratio
CINR – Carrier to Interference plus Noise Ratio
CIR – Carrier to Interference Ratio
EIRP – Effective Isotropic Radiated Power
ERP – Effective Radiated Power
PEP – Peak Envelope Power
EIR – Equipment Identity Register
SIM – Subscriber Identity Module
USIM – Universal Subscriber Identity Module
MSISDN – Mobile Station International Subscriber Directory Number
IMEI – International Mobile Equipment Identity
IMSI – International Mobile Subscriber Identity
HLR – Home Location Register
VLR – Visitor Location Register
AUC – Authentication Center
EIR – Equipment Identity Register
BTS – Base Transceiver Station
BSC – Base Station Controller
MSC – Mobile Switching Center
GGSN – Gateway GPRS Support Node
SGSN – Serving GPRS Support Node
SGW – Serving Gateway
PGW – Packet Data Network Gateway
HLR – Home Location Register
HSS – Home Subscriber Server
VLR – Visitor Location Register
CS – Circuit Switched
PS – Packet Switched
GPRS – General Packet Radio Service
EDGE – Enhanced Data rates for GSM Evolution
UMTS – Universal Mobile Telecommunications System
LTE – Long-Term Evolution
VoLTE – Voice over LTE
SRVCC – Single Radio Voice Call Continuity
RCS – Rich Communication Services
IoT – Internet of Things
OTA – Over-The-Air
ARPU – Average Revenue Per User
E911 – Enhanced 911
CDMA – Code Division Multiple Access
TDMA – Time Division Multiple Access
FDMA – Frequency Division Multiple Access
WLAN – Wireless Local Area Network
WPAN – Wireless Personal Area Network
WMAN – Wireless Metropolitan Area Network
PAN – Personal Area Network
LOS – Line of Sight
NLOS – Non-Line of Sight
ISM – Industrial, Scientific, and Medical
RFID – Radio Frequency Identification
WCDMA – Wideband Code Division Multiple Access
HSPA – High-Speed Packet Access
HSUPA – High-Speed Uplink Packet Access
HSDPA – High-Speed Downlink Packet Access
MBMS – Multimedia Broadcast Multicast Service
QAM – Quadrature Amplitude Modulation
PCM – Pulse Code Modulation
TDM – Time Division Multiplexing
SDH – Synchronous Digital Hierarchy
SONET – Synchronous Optical Networking
DWDM – Dense Wavelength Division Multiplexing
OTN – Optical Transport Network
OLT – Optical Line Terminal
ONU – Optical Network Unit
PON – Passive Optical Network
CMTS – Cable Modem Termination System
DOCSIS – Data Over Cable Service Interface Specification
IPTV – Internet Protocol Television
RTP – Real-Time Transport Protocol
RTCP – Real-Time Control Protocol
VoIP – Voice over Internet Protocol
PSTN – Public Switched Telephone Network
ISDN – Integrated Services Digital Network
PABX – Private Automatic Branch Exchange
SBC – Session Border Controller
VAS – Value-Added Service
NAT – Network Address Translation
OSPF – Open Shortest Path First
BGP – Border Gateway Protocol
MPLS-TP – Multi-Protocol Label Switching – Transport Profile
SDN – Software-Defined Networking
RAN – Radio Access Network
MIMO – Multiple Input Multiple Output
LTE – Long-Term Evolution
VoLTE – Voice over LTE
IMS – IP Multimedia Subsystem
BSS – Base Station Subsystem
OSS – Operations Support System
NMS – Network Management System
EMS – Element Management System
SNMP – Simple Network Management Protocol
ICMP – Internet Control Message Protocol
TCP – Transmission Control Protocol
UDP – User Datagram Protocol
NAT – Network Address Translation
DNS – Domain Name System
DHCP – Dynamic Host Configuration Protocol
MPLS – Multi-Protocol Label Switching
QoS – Quality of Service
SLA – Service Level Agreement
VLAN – Virtual LAN
VoWLAN – Voice over WLAN
WIMAX – Worldwide Interoperability for Microwave Access
DAS – Distributed Antenna System
PTP – Precision Time Protocol
GPS – Global Positioning System
LBS – Location-Based Services
SS7 – Signaling System No. 7
ATM – Asynchronous Transfer Mode
SDP – Service Delivery Platform
CDN – Content Delivery Network
VOD – Video on Demand
STB – Set-Top Box
HDTV – High Definition Television
OFDM – Orthogonal Frequency Division Multiplexing
OFDMA – Orthogonal Frequency Division Multiple Access
RRM – Radio Resource Management
PDCP – Packet Data Convergence Protocol
MAC – Media Access Control
PHY – Physical Layer
BTS – Base Transceiver Station
UE – User Equipment
EPC – Evolved Packet Core
P-GW – Packet Gateway
S-GW – Serving Gateway
HSS – Home Subscriber Server
MME – Mobility Management Entity
RLC – Radio Link Control
GGSN – Gateway GPRS Support Node
SGSN – Serving GPRS Support Node
GPRS – General Packet Radio Service
EDGE – Enhanced Data Rates for GSM Evolution
HSPA – High-Speed Packet Access
HSUPA – High-Speed Uplink Packet Access
HSDPA – High-Speed Downlink Packet Access
EIR – Equipment Identity Register
SIM – Subscriber Identity Module
ICCID – Integrated Circuit Card Identifier
IMSI – International Mobile Subscriber Identity
IMEI – International Mobile Equipment Identity
MCC – Mobile Country Code
MNC – Mobile Network Code
HLR – Home Location Register
VLR – Visitor Location Register
MSC – Mobile Switching Centre
GMSC – Gateway Mobile Switching Centre
S-CSCF – Serving-Call Session Control Function
I-CSCF – Interrogating-Call Session Control Function
P-CSCF – Proxy-Call Session Control Function
SIP – Session Initiation Protocol
SDP – Session Description Protocol
RTP – Real-Time Transport Protocol
RTCP – Real-Time Control Protocol
PSTN – Public Switched Telephone Network
ISDN – Integrated Services Digital Network
DSL – Digital Subscriber Line
FTTH – Fiber to the Home
ONT – Optical Network Terminal
OLT – Optical Line Terminal
GPON – Gigabit Passive Optical Network
WDM – Wavelength Division Multiplexing
CWDM – Coarse Wavelength Division Multiplexing
DWDM – Dense Wavelength Division Multiplexing
FTTx – Fiber to the x
CDMA – Code Division Multiple Access
TDMA – Time Division Multiple Access
FDMA – Frequency Division Multiple Access
Wi-Fi – Wireless Fidelity
WLAN – Wireless Local Area Network
WMAN – Wireless Metropolitan Area Network
WWAN – Wireless Wide Area Network
RFID – Radio Frequency Identification
ZigBee – Wireless Personal Area Network
Bluetooth – Short-Range Wireless Communication
NFC – Near Field Communication
IoT – Internet of Things
CSIR – Council of Scientific and Industrial Research
GNSS – Global Navigation Satellite System
WSN – Wireless Sensor Network
USB – Universal Serial Bus
MCU – Microcontroller Unit
PWM – Pulse Width Modulation
AGC – Automatic Gain Control
VHF – Very High Frequency
LNA – Low Noise Amplifier
RF – Radio Frequency
ADC – Analog to Digital Converter
DAC – Digital to Analog Converter
LVDT – Linear Variable Differential Transformer
PLC – Programmable Logic Controller
RTD – Resistance Temperature Detector
RFID – Radio Frequency Identification
GSM – Global System for Mobile Communications
CDMA – Code Division Multiple Access
WAN – Wide Area Network
TCP – Transmission Control Protocol
DNS – Domain Name System
HTTP – Hypertext Transfer Protocol
FTP – File Transfer Protocol
VPN – Virtual Private Network
IEEE – Institute of Electrical and Electronics Engineers
IEC – International Electrotechnical Commission
ISO – International Organization for Standardization
CAT – Category (Ethernet Cable)
PoE – Power over Ethernet
QoS – Quality of Service
NAT – Network Address Translation
ICMP – Internet Control Message Protocol
OSPF – Open Shortest Path First
MPLS – Multiprotocol Label Switching
BGP – Border Gateway Protocol
VoIP – Voice over Internet Protocol
PSTN – Public Switched Telephone Network
MPLS – Multiprotocol Label Switching
VLAN – Virtual Local Area Network
RADIUS – Remote Authentication Dial-In User Service
POTS – Plain Old Telephone Service
VDSL – Very-high-bit-rate Digital Subscriber Line
DSL – Digital Subscriber Line
SDN – Software Defined Networking
CPE – Customer Premises Equipment
DOCSIS – Data Over Cable Service Interface Specification
MIMO – Multiple Input Multiple Output
What is CX abbreviation in telecommunication?
The full form of computer is customer experience
What is MTF in telecom?
The full form of computer is Modulation Transfer Function (MTF)
What does SKU mean in telecom?
The full form of computer is stock keeping unit number
What does SMT mean in telecom?
The full form of computer is Surface Mount Technology (SMT) Technician
What is AAV in telecom?
The full form of computer is Alternative Access Vendor
What is MBB and FBB in telecom?
The full form of computer is mobile broadband (MBB) technology, enhanced fixed broadband (FBB)
What is the full form of MCS telecom?
 The full form of computer is Modulation Coding Scheme (MCS)
What is TMO in telecommunications?
The full form of computer is Trunked Mode Operation
What is the full form of telecom ATP?
The full form of computer is ATP – Advanced Telecommunication Platform
What is the full form of LMC telecom?
The full form of computer is Last Mile Communications
What does RLU stand for in telecom?
The full form of computer is Remote Line Unit (RLU)Â
What is RRU and BBU in telecom?
A baseband unit (BBU) is a unit that processes baseband in telecomm systems and (remote radio unit – RRU
What is the full form of ITU?
The full form of computer is International Telecommunication Union (ITU)
What is CCNA in telecom?
The full form of computer is CCNA stands for Customer Carrier Name Abbreviation (telecommunications)
What is the full form of CCNP?
 The full form of computer is Cisco Certified Network Professional certification