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I try to activate call waiting for telit le910, but when I sent this commands, I got error response. If I insert the sim card into my phone and dial *43# it is activeted. Do you have any suggestions for solution? How can I activate this feature with AT commands?

at+ccwa=1,1,7 +CME ERROR: operation not supported

at+ccwa=1,1,1 +CME ERROR: operation not supported

Eric Postpischil
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doodle732
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  • What is the response to `AT+CCWA=?` command? Is `AT+CCWA` present in the response of `AT+CLAC` command? – Roberto Caboni Mar 09 '23 at 16:18
  • Response to AT+CCWA=? command is like that. +CCWA: (0,1) OK Response to AT+CCWA=1 command is like that. OK Response to AT+CCWA? command is like that. +CCWA: 1 OK – doodle732 Mar 16 '23 at 12:26
  • I think, we can just enables/disables the presentation of an unsolicited result code with AT+CCWA command. – doodle732 Mar 16 '23 at 12:31
  • Yes: apparently only the first parameter is supported. – Roberto Caboni Mar 16 '23 at 13:08
  • But, If I insert the sim card into my phone and dial *43# it is activeted. Can I do that with AT commands? I can't always plug and unplug the sim card from the phone. It would be a complete torture for a lot of sim cards. – doodle732 Mar 17 '23 at 14:05

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