Communication Industry terminology

Internet Server Provider (ISP) is the company and institution that provides Internet access services or Internet information services for users. The former is also known as IAP (Internet access provider, Internet access provider), and the latter is also known as ICP (Internet content provider, Internet content provider ).
ASP is the abbreviation of Application Service Provider, meaning "Application Service Provider"
NGOSS (Next Generation Operational support systems) is developed by TMF (Tele Management Forum)
Cngp ( China Netcom Short Message Gateway Protocol )
Gateway-Gateway Name Server

Abbreviations	Full name	Description
Smgw	Short Message Gateway	Short Message Gateway
Smpp	Short Message Peer to Peer	Short Message Point-to-Point Protocol
SMSC	Short Message Service Center	Short Message Center
SP	Service Provider	Service Provider
TLV	Tag Length Value	ByTag/length/valueThree Parameter definition Variables
Mo	Message origination	The user sends a short messageSPUplink Process
Mt	Message termination	SPDownstream process of sending short messages to users
PSC	Prepaid Service Center	Prepayment Center
Cr	Charge request	SPMessages sent to the short message gateway for service charges. After receiving a message, the short message gateway does not send it to the user. Only corresponding tickets are generated.