Most early GSM mobile phone handsets did not support the ability to send SMS text messages, and Nokia was the only handset manufacturer whose total GSM phone line in 1993 supported user-sending of SMS text messages.
Većina ranih GSM telefona nije podržavala sposobnost slanja SMS tekstualnih poruka, i Nokia je bila jedini proizvođač čija je cela linija GSM telefona u 1993.