<?php
namespace callnotifier;

class EDSS1_Message
{
    const ALERTING = 0x01;
    const CALL_PROCEEDING = 0x02;
    const SETUP = 0x05;
    const CONNECT = 0x07;
    const SETUP_ACKNOWLEDGE = 0x0D;
    const DISCONNECT = 0x45;
    const RELEASE = 0x4D;
    const RELEASE_COMPLETE = 0x5A;
    const FACILITY = 0x62;
    const INFORMATION = 0x7B;

    /**
     * Message type, see the class constants
     * @var integer
     */
    public $type;

    /**
     * Call reference number to distinguish concurrent calls
     *
     * @var integer
     */
    public $callRef;

    /**
     * If the message is from the call originating device, or the
     * other side.
     *
     * - 0 = device that originated the call
     * - 1 = device that answers to orignator requests
     *
     * @var integer
     */
    public $callRefType;

    /**
     * Service AccessPoint Identifier
     *
     * @var integer
     */
    public $sapi;

    /**
     * Call/Response bit
     *
     * Is 1 when the message contains a command to the TE or
     * the answer to a command from the TE.
     *
     * 0 when it it is a request from the TE to the network,
     * or the answer to a TE request.
     *
     * @var integer
     */
    public $callResponse;

    /**
     * Terminal Endpoint Identifier (internal Telephone ID)
     * TEI=127 means broadcast
     *
     * @var integer
     */
    public $tei;

    /**
     * Type of the block
     * 0 - information block
     * 1 - control block
     * @var integer
     */
    public $blockType;

    /**
     * Array of EDSS1_Parameter objects
     *
     * @var array
     */
    public $parameters = array();


    public function getTypeName()
    {
        $rc = new \ReflectionClass($this);
        foreach ($rc->getConstants() as $name => $value) {
            if ($value == $this->type) {
                return $name;
            }
        }
        return '';
    }
}

?>