protected function getVoip() {
        if (!$this->_voip) {
            $this->_voip = new VoipList(
                $this->version,
                $this->solution['accountSid'],
                $this->solution['countryCode']
            );
        }

        return $this->_voip;
    }
protected function getVoip() {
        if (!$this->_voip) {
            $this->_voip = new VoipList(
                $this->version,
                $this->solution['accountSid'],
                $this->solution['countryCode']
            );
        }

        return $this->_voip;
    }
protected function getVoip ( ) { if ( ! $ this -> _voip ) { $ this -> _voip = new VoipList ( $ this -> version , $ this -> solution [ 'accountSid' ] , $ this -> solution [ 'countryCode' ] ) ; } return $ this -> _voip ; }
Access the voip

@return \Twilio\Rest\Api\V2010\Account\AvailablePhoneNumberCountry\VoipList
Access the voip