A UAC MAY treat a SIP or SIPS URI in an Error-Info header field as if it were a Contact in a redirect and generate a new INVITE, resulting in a recorded announcement session being established. A non-SIP URI MAY be rendered to the user.
SIP/2.0 404 The number you have dialed is not in service
message- the new string value that represents the error message.
java.text.ParseExceptionwhich signals that an error has been reached unexpectedly while parsing the error message.