Table 1.

Available telehealth services based on mobile networks

Authors	Received data format	Transferring media	Major technology/sensor used	Provided services
García  and Torres [24]	SMS	GSM network	Body sensor network	Temperature, heart rate, respiratory rate, and blood pressure
Suganthi et al. [25]	SMS	GSM, GPRS, GPS, P2P	Temperature sensor, blood pressure measurement sensor, pulse counter clip, and non-invasive glucose monitoring sensor, GPS module	Temperature, blood pressure, pulse rate, and non-invasive glucose monitoring
Ade et al. [26]	Voice call	GSM, GPS	BP sensor, pulse rate sensor, temperature sensor, and GSM/GPRS and GPS module	BP, pulse rate, temperature
Sorwar and Ali [27]	Image, call	3G cellular network	ECG, blood sugar, SpO2 sensor	ECG, blood sugar, SpO2
Mishra and Agrawal [28]	Voice call/image	GSM voice and control channels	A/D converter, embedded processor, a transceiver in a sensor node, GSM shield interface, Arduino, and an encoder	Serious heart problem
Kyriacou et al. [29]	Image, call	GSM or POTS	ECG, SpO2, NIBP, IBP, and temperature sensor	ECG signal, SpO2, NIBP, IBP, and temperature