If an end user agrees to a Premium SMS transaction, the content provider sends a confirmation requesting them to authorize the transaction before the content is delivered.

One single point of integration provides access to carriers (nationally or globally) for two way communication.

A keyword is the first word in a SMS message and defines a program or campaign on a short code. Using text processing techniques, mobile applications look at the first word and forward the message to the respective URL in a third party application or save it under an account and execute a series of predefined actions (e.g., sending an auto-response message, generating a coupon, etc.)

Long Codes are 10-digit strings of numbers previously used by carriers in North America to send SMS messages. International carriers often continue to use Long Codes.

The end user has the opportunity to explicitly engage (opt-in) or disengage (opt-out) in a SMS program.

Charges the end user through the carriers' billing system, the end user's cost is reflected on their monthly cell phone bill.

A Short Code, also known as CSC or Common Short Code, is a 5-6 digit string of numbers used to send SMS messages to cell phones from an application. The end user can also send a message to a short code to be delivered to an application. Vanity Short Codes reflect the mobile program's brand or a concept on the alpha-numeric keypad (e.g., Short Code #64600 for MASSESMobile™).

Standard Rate Messaging is the cost the end user incurs from their carrier for each SMS received or sent from their cell phone.

WAP, or Wireless Application Protocol, is the internet protocol used by mobile phones to create web pages and applications that are displayed on mobile phones. A WAP Site is a web site that can be displayed on a mobile device. It is widely used to send a link to the handset to download rich content (such as ringtones, wallpaper, video clips) or engage users in completing a form (lead generation) and browsing data.