Here is the controller part:

	public function processcall($qe='hey',$b='2563355370',$cn='2563355370',$qt='yesno')
	{
	$data['user_id'] = 'userid';
	$data['question'] = $qe;
	$data['b'] = $b;
	$data['cn'] = $cn;
	$data['questiontype'] = $qt;
	$this->load->model('inbox_model',$data);
	$this->inbox_model->insert_entry();
	$this->load->view('call/processcall_view',$data);
	}


Model


<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Inbox_model extends CI_Model {

    function __construct()
    {
        parent::__construct();
    }
     function insert_entry()
    {
        $this->user_id          = $data['user_id'];
        $this->question_type 	= 'yesno';
        $this->question   	    = 'How are you?';
        $this->answer    		= 'Yes';
        $this->business_name    = 'Silly Goose';

        $this->db->insert('messages', $this);
    }
}