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Emulate a communication device, like a modem, featuring the AT command set, also known as the Hayes command set, and the GSM AT command set. The AT interface can be accessed through the console, a TCP or telnet connection or a virtual COM port. The AT commands are typically used to interact ... [More] with phones, modems and other communication devices. Most GSM/3G/LTE/5G modems implement the AT command set over a serial port interface, for example: RS232 or USB. The AT Emulator can be useful to test various communication software, which require a physical modem device. If a physical modem is not available the AT Emulator can come in handy. You can play with the emulator without risking to damage the real device. Therefore, the emulator can be used as an AT tester tool as well. [Less]

modemu2k is a fork of modemu, a telnet client with a modem-like user interface