Received SMS messages are not deleted by Message Control because the modem does not respond to the AT+CMGD command

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• Checklist: Message Control

  Time estimate: 15 minutes Please go through all the points in the following checklist. If necessary, confirm with IT Department any information you cannot verify before contacting your local COPA-DATA Representative. Screenshot and followed ...

• Message Control does not communicate with certain GSM modem

  Summary To check the availability of the modem, Message Control sends the "AT+ CPIN" command to check if the modem is ready for sending. Several GSM modems have a different answer to the "AT+ CPIN" command to which the Message Control did not react ...

• Message Control doesn't recognize messages which are sent successfully over SMS gateway

  Summary If Acknowledgement required is not used for a message sent over SMS gateway, Message Control does not recognize successfully sent messages. Description If Acknowledgement required is not used for a message sent over SMS gateway, Message ...

• FAQ: What are the modems successfully tested with zenon Message Control?

  The list of tested modems is available in the pdf file attached. Unfortunately, old analog voice modems are rare on the market and the drivers for these devices are not available for actual operating systems like Windows 10, Windows Server 2016, etc. ...

• The substitute messages sent with zenon message control sending method: SMS GSM modem, SMS gateway and SMTP mail are not sent correctly and the CEL entries for that messages are not logged correctly.

  Summary The sending of messages to substitute persons dont't work correctly because only the first person get the message and after the waiting time for an acknowledge for that user expired the substituted user dont't recive a substitute message. ...