protected function getPhoneNumbers() {
        if (!$this->_phoneNumbers) {
            $this->_phoneNumbers = new PhoneNumberList($this->version, $this->solution['sid']);
        }

        return $this->_phoneNumbers;
    }
protected function getPhoneNumbers() {
        if (!$this->_phoneNumbers) {
            $this->_phoneNumbers = new PhoneNumberList($this->version, $this->solution['sid']);
        }

        return $this->_phoneNumbers;
    }
protected function getPhoneNumbers ( ) { if ( ! $ this -> _phoneNumbers ) { $ this -> _phoneNumbers = new PhoneNumberList ( $ this -> version , $ this -> solution [ 'sid' ] ) ; } return $ this -> _phoneNumbers ; }
Access the phoneNumbers

@return \Twilio\Rest\Proxy\V1\Service\PhoneNumberList
Access the phoneNumbers