Department of Computer Engineering, Afe Babalola University, Ado-Ekiti, Nigeria;
Department of Electrical/Electronics Engineering, Afe Babalola University, Ado-Ekiti, Nigeria;
Federal Ministry of Communication, Abuja, Nigeria;
CODEC—Coder; and; Decoder; GSM—Global; System; for; Mobile; Telecommunication; GPRS—General; Packet; Radio; Service; MODEM—Modulator; and; Demodulator; SMS—Short; Messaging; Service;