Hi, There are GSM modems | Electronics › Electronics › voice communication in gsm modem (model 1122 of sunrom) › Hi, There are GSM modems May 22, 2012 at 5:52 am #7872 AmrithParticipant Hi, There are GSM modems available in the indian market for voice applications. For those who are looking for voice applications through GSM modem can try SIMADO GDT11
