Quick definition: For consumer phones data pool contracts provide an amount of data that can be shared between different devices (e.g. tablet and phones, family members or employees of a corporation). This is particularly useful because of the combination of different phone plans into one - which simplifies billing and evens out different data consumption of the different devices.
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What Is OpenVPN?
With OpenVPN, you can remotely access a private network from anywhere. emnify leverages OpenVPN to help IoT manufacturers remotely access devices and securely transport data from the device.
What Is User Datagram Protocol (UDP)?
When higher-level protocols need to transmit data quickly, they rely on UDP to package and distribute that data over the Internet Protocol (IP). (If you wish to know more about protocols and IoT check out our Comprehensive Guide to IoT Protocols.)
What Is USSD? Unstructured Supplementary Service Data
USSD allows you to send small data packages without a data connection and without incurring SMS costs. It’s typically used for sending short requests and commands, and these messages can only contain a maximum of 182 characters (16 bits of data). USSD doesn’t support Multimedia Messages (MMS) like audio, video, or images.