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Voice calls over LoRaWAN | Is phone call possible over LoRa ?

This page mentions Voice calls over LoRaWAN system. It describes possibilities of making phone calls using LoRaWAN/LoRa.

What are Voice calls ?

The calls are of two types viz. data calls and voice calls. The calls which carry voice signals using circuit or packet switched circuits are known as voice calls. Voice calls are further categorized into mobile originated calls and mobile terminated calls.

If mobile#1 dials to mobile#2, call flow between mobile#1 and network is known as originating call flow. Call flow between network and mobile#2 is known as terminating call flow.

What is LoRaWAN ?

LoRa network architecture

The figure depicts LoRaWAN network architecture with its elements. It consists of LoRaWAN end devices, Gateway and servers ( network server, application server and Join server). It operates in various frequency bands across the globe such as US (902 to 928 MHz), EU (863 to 870 MHz) , China (779 to 787 MHz) etc.

LoRaWAN is used for long distance and low data rate applications in IoT/M2M domain. It covers wide range from 5 Km to 15 Km. LoRaWAN devices support three classes A, B and C. The LoRaWAN devices consume very low power and hence battery life can be extended.

Is phone call possible over LoRa/LoRaWAN ?

No, it is not possible over LoRa/LoRaWAN as it is designed for sending small packets at interval of couple of minutes.
➨It requires cellular network ICs such as GPRS, 3G or LTE for making phone calls.

LoRaWAN related links

The LoRaWAN Wireless tutorial covers following sub topics:
LoRaWAN Smart Parking   LoRaWAN sensor design   LoRaWAN smart healthcare system   LoRaWAN smart water metering   LoRaWAN architecture   LoRaWAN Interface Types   LoRaWAN roaming types   LoRa tutorial   LoRa Frequency Bands   LoRa protocol stack   LoRa MAC layer   LoRaWAN classes   LoRa features   LoRa Transceiver module  



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