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Use DTMF signaling COC has the capability to send DTMF digits, for example when navigating IVR menus. Click on the Dialpad button and dial pad will appear where you can send DTMF digits by clicking on the corresponding button. Delete call history Call history entries can be deleted by selecting one or multiple entries, right-clicking …https://www.ctmodule.com/wp-content/uploads/coc_client_dialpad.png253320