sendmsg <uuid> 

Control an existing call of given uuid

Needs the additional header "call-command", which can have value execute or hangup.

Examples:

sendmsg ec96830d-0ad5-4a55-afbd-11bb625db2d0 
call-command: execute 
execute-app-name: playback 
execute-app-arg: /tmp/ivr-wakey_wakey_sunshine.wav 
 
sendmsg ec96830d-0ad5-4a55-afbd-11bb625db2d0 
call-command: hangup 
hangup-cause: USER_BUSY