function get_connected_calls_ajax()
{
echo get_connected_calls();
}
<option value="25000" <?php if($ref_time == 25000){ echo "selected"; }?>>25 Seconds</option>
<option value="30000" <?php if($ref_time == 30000){ echo "selected"; }?>>30 Seconds</option>
<option value="35000" <?php if($ref_time == 35000){ echo "selected"; }?>>35 Seconds</option>
<option value="40000" <?php if($ref_time == 40000){ echo "selected"; }?>>40 Seconds</option>
<option value="45000" <?php if($ref_time == 45000){ echo "selected"; }?>>45 Seconds</option>
<option value="50000" <?php if($ref_time == 50000){ echo "selected"; }?>>50 Seconds</option>
<option value="55000" <?php if($ref_time == 55000){ echo "selected"; }?>>55 Seconds</option>
<option value="60000" <?php if($ref_time == 60000){ echo "selected"; }?>>60 Seconds</option>
</select>
</div>
</th>
</tr>
</thead>
<tbody>
<tr>
<td style="width:250px;color:green;font-weight:bold;">Total Connected Calls</td><td class="connected_calls" style="width:250px;color:green;font-weight:bold;"><?php echo get_connected_calls();?></td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody></table>
<br/><br/>
<!--*****************************SETTINGS DETAILS *************************************-->
<table style="border: 1px groove;" width="100%" cellpadding="0" cellspacing="0">
<tbody><tr>
<td>
<table width="100%" border="0" cellpadding="0" cellspacing="0">
<thead>
<tr>