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Cinterion EHS6T - Can't enter AT commands in Tera Term

AlexT

October 17, 2018 - 9:08pm, 88 views

Hello.  We have the Cinterion EHS6T gsm modem which I am testing with a AT&T sim.  I'm using Tera Term to test with the goal to send/receive SMS however I can't enter any commands.  I know other carriers have special sims for devices like these however AT&T hasn't been much help.  I read in another forum thread that this modem will take a standard sim but I've tested two now with a text plan on them and can't enter any commands.  I'm new to this so can you please offer some suggestions?  Thanks.