This example use mbed-os default network interface through Cellular PDP context class . It use UDP or TCP socket with the given echo server and performs an echo transaction. This program can be used on the C027, C030-U201 and C030-R412M boards.

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+https://github.com/ARMmbed/mbed-os/#11a34ec092571bc67ab406b4ab24935723f8485b