You can request the specification for LoraWAN for free at <a href="https:&#x2F;&#x2F;www.lora-alliance.org&#x2F;For-Developers&#x2F;LoRaWANDevelopers" rel="nofollow">https:&#x2F;&#x2F;www.lora-alliance.org&#x2F;For-Developers&#x2F;LoRaWANDevelope...</a>.<p>From what I&#x27;ve seen, voice traffic is completely out of the question because of the duty cycle requirement. Devices are only allowed to send 1% or 0.1% of the time, so after transmitting for a second or so (at a maximum of 50kbps), they are supposed to be quiet for 100 or 1000 seconds.<p>This is really designed for low bandwidth messages such as &quot;switch X in device Y has been triggered&quot; or &quot;device Z has moved to position a,b&quot;.