 Aldiscon launched the world's first commercial Short Messaging Services in 1993 using its Telepath SMSC platform in the UK, Hong Kong and USA.By the time of its sale to Logica Plc in 1997, the company supplied over 70 mobile carriers worldwide in technologies including GSM, DCS 1800, UMTS, IS-95 (CDMA), CDMA2000, ANSI-136 (TDMA), Japanese PDC and Motorola's iDEN.Aldiscon developed the Short Message Peer-to-Peer (SMPP) telecommunications industry protocol for exchanging SMS messages between SMS peer entities such as short message service centres, voice mail systems and distributed telemetry elements.