set URL

setURL.php

<?php

   $sn = $argv[1];
   $asid = $argv[2];

   $vurl = $argv[3];

   $sid = "ACxxxxxxxxxxxxxxxxxxxx";
   $token = "xxxxxxxxxxxxxxx";

   $url = "https://api.twilio.com/2010-04-01/Accounts/${asid}/IncomingPhoneNumbers/${sn}";
   printf("%s\n",$url);

   $vars = "VoiceUrl=${vurl}";

   $ch = curl_init($url);
   curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);
   curl_setopt($ch,CURLOPT_USERPWD, "$sid:$token");
   curl_setopt($ch,CURLOPT_POST, true);
   curl_setopt($ch,CURLOPT_POSTFIELDS,$vars);

   $result = curl_exec($ch);
   $info = curl_getinfo($ch);

   $xml = simplexml_load_string($result);

   //var_dump($result);
   printf("%s\n",$info['http_code']);

?>