A one character string. One of: 0-9,A-D,* or #. Silence the ringing The Id identifying the call, e.g. a phone number The DisplayName of the calling party, e.g. from the address book The path to an image to display for this call. The protocol used for this call Whether the call is encrypted. This does not indicate anything about the type of encryption being used. Whether the call can do DTMF Additional hints about this call