[eighteen] The input documents on SMS were prepared by Friedhelm Hillebrand of Deutsche Telekom, with contributions from Bernard Ghillebaert of France Télécom. The definition that Friedhelm Hillebrand and Bernard Ghillebaert brought into GSM known as for your provision of a message transmission assistance of alphanumeric messages to cell end users https://www.monctech.com/political-sms-campaigns-revolutionizing-modern-electioneering/