FAQ
PTT over Cellular FAQ
PTT over Cellular is a two way voice radio network that uses the GSM 3G and 4G mobile phone networks as a relay station between devices. It will work anywhere there is GSM or Wi Fi coverage. and can use any chosen network. Ptt over cellular is sometimes called PoC or Network Radio.
PTT over cellular ( PoC) devices can be a hand held or fixed vehicle radio device, a mobile phone running an APP or a Computer or tablet running an App. when the talk button is pressed and the User talks, the speech is converted into Data and is transmitted over the GSM cellular network to a PoC server. the server then relays the call as data to the other users in the PoC network. there it converted back to voice and is heard by the other users.
A PTT over cellular server is a computer server is that running software to handle PoC messages. To use the server you have to sign up for an account and create channel or subscribe to an existing channel. There or open pubic servers and channels or you can create a private channel so that only users you allow can use it. some servers this is ll done for you and you pay an access fee to use the service. There are also free servers that allow you to create a channel.
There are free PoC servers like Zello and paid for servers like Zello Work .The free servers are more heavily subscribed and so slower than the paid for services. Free servers like Zello are aimed at the general public for leisure use and often have some restrictions, like lockout of calls if the talk button is pressed without talking. (also see How to choose a PoC server)
PTT over Cellular in the UK can use any of major Mobile networks, you will need a POC device, a POC server, and access to the GSM 3G or 4G network. PoC servers can be free servers like Zello. of paid fro servers like Zello Work. Often these servers are located in other countries or even continents which may introduce unnecessary delays in calls. this delay is called latency. To choose the best server for your use Simply PoC can help you.
