API – Application Programming Interface [a set of rules or code that software programmes can use to communicate with each other].
UI – User Interface [the space where interaction between humans and machines occurs].
SaaS – Software as a Service
PaaS – Platform as a Service
3-D Secure - The collective name for credit card security verification systems such as MasterCard SecureCode and Verified by Visa
ESME - External Short Messaging Entity. An external application that connects to an SMSC to engage in the sending and/or receiving of SMS.
MO - Mobile Originated - SMS sent from a mobile
MSISDN - Mobile Number (Mobile Subscriber Integrated Services Digital Network Number)
SMPP - Short Message Peer-to-Peer protocol. Used in telecommunications for exchanging SMS messages between SMSC's and/or ESME's. It is also used by third parties to submit bulk messages. Dynmark in this scenario is a third party.
SMS - Short Message Service
SMSC - Short Message Service Centre. Network element in the mobile industry which delivers SMS messages.
SLA – Service Level Agreement
SDK – Software Development Kit
WSDL - Web Services Definition Language; used by the SOAP standards do describe web service interfaces.
Credit – 1 credit is equal to 1 UK SMS, credits cost between 3.2p and 3.8p.