outbound.go
func (response *OutboundCallResponse) Arg2Reader() (ArgReader, error) {
	var method []byte
	if err := NewArgReader(response.arg1Reader()).Read(&method); err != nil {
		return nil, err
	}

	return response.arg2Reader()
}
func (response *OutboundCallResponse) Arg2Reader() (ArgReader, error) {
	var method []byte
	if err := NewArgReader(response.arg1Reader()).Read(&method); err != nil {
		return nil, err
	}

	return response.arg2Reader()
}
// Arg2Reader returns an ArgReader to read the second argument.
// The ReadCloser must be closed once the argument has been read.