Start cold transfer

This event is used to start a cold transfer call.

{
  "type": "DIALER.START_COLD_TRANSFER",
  "payload": {
    "to": "String"
  }
}

After sending this event, the call will be instantly transferred to someone else and the user will be disconnected, you should expect to receive a DIALER.CALL_STATUS event with the following payload:

{
  "type": "DIALER.CALL_STATUS",
  "payload": {
    "flow": "regular",
    "status": "ended"
  }
}