ANI: Automatic Number Identification
CCITT: Comité Consultatif International Téléphonique et Télégraphique
CP: Content Provider
DNIS: Dialed Number Identification Service
MM: Multimedia Message
MMS: Multimedia Messaging Service
MMSC: Multimedia Messaging Service Centre
MO: Mobile Originated, Inbound messaging
MT: Mobile Terminated, Outbound messaging
SME: Short Message Entity
SMPP: Short Message Peer-to-Peer protocol
SMS: Short Messaging Service
SMSC: Short Messaging Service Centre
SS7: Signaling System 7
TELCO: TELephone COmpanies or TELecommunication COmpanies
VAS: Value Added Service
WAP: Wireless Application Protocol
WML: Wireless Markup Language
