'at-command' Questions - SpiceQA

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at-command

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Why does SIM respond to AT+CIPSEND with “+CME ERROR: operation not allowed” when the IP address and the TCP connection has been established?

user_106651660

• asked Nov 16, 2018

3

1

1256

sim800 gsm at-command tcp

How to auto-select the APN depending on SIM card?

user_726370

• asked Mar 22, 2016

4

1

5296

gsm at-command

Call recording using AT+CRCPREC SIM COM 800

user_21260090

• asked Mar 20, 2016

3

0

1843

sim900 at-command raspberry-pi arduino

SIMCOM SIM5230A HTTP POST: Error +CHTTPACT: 237

user_11327730

• asked Mar 12, 2016

5

2

3664

at-command arduino http-post

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