What is Mobile SMS/ Test Messaging?Mobile text Messaging, or Short Message Service (SMS), as we all know it, is the ability to send and receive text messages to and from mobile telephones. The text can comprise words or numbers or an alphanumeric combination. SMS was created as part of the GSM Phase 1 standard. The first short message is believed to have been sent in December 1992 from a Personal Computer (PC) to a mobile phone on the Vodafone GSM network in the UK. Each short message can be up .