Computer systems that allow the sending, receiving, treatment and management of large volumes of SMS and MMS via connections with mobile operators.

They should permit the use of any type of Internet access technology (GSM, CDMA, TDMA, iDEN, UMTS-3G) or connection method (WAP, GPRS, EDGE, IP). These platforms usually offer both 'premium' services (sending of news and general content), alerts, and mass text messaging, called 'Push', used to send confirmation, reminders, queries, inform about possible changes, advertise, etc.