AT command CHLD=3 on SIMCOM508 modem to make multiparty call returns ERROR.

Discussion in 'Embedded Systems and Microcontrollers' started by kishoreinme, Oct 11, 2011.

  1. kishoreinme

    kishoreinme Thread Starter New Member

    Joined:
    Oct 11, 2011
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    Hello

    I have a SIMCOM508 modem connected to minicom on ubuntu.
    Iam able to make calls, add, hold, wait, swap and sms except multiparty conference call.

    I have followed the steps in http://www.microchip.ua/simcom/GSM-G...0Note_V1.0.pdf
    to try this

    The final AT+CHLD=3 returns just an ERROR from the modem.

    is there any sequence to be followed doing this?
    could someone help out?
    Thanks
     
    #1
  2. kubeek

    kubeek AAC Fanatic!

    Joined:
    Sep 20, 2005
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    Are you should it works in a standard phone with your simcard? The feature could be disabled at the provider.
     
    #2
  3. kishoreinme

    kishoreinme Thread Starter New Member

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    Oct 11, 2011
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    Dear Kubeek

    Thanks for the pointer. checked it. the operator support was disabled. the problem solved.

    :)
     
    #3
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