Exploring ways to enable VoLTE

huawei-b525s-65a.md

Summary

Is there a way to turn on VoLTE for a Huawei B525s-65a? No, unless firmware is ugraded.

VoLTE is not enabled

1. visit http://192.168.8.1/html/quicksetup.html

2. run in browser console

   getAjaxData(
     'api/global/module-switch',
     function($xml) {
       console.log("$$$", xml2object($xml))
     }
   );

   volte_enabled: 0

   or

   getAjaxData(
     'api/device/signal',
     function($xml) {
       console.log(xml2object($xml))
     }
   )

   ims: "0"

display VoLTE in menu

1. visit http://192.168.8.1/html/quicksetup.html
2. run in browser console

g_module.volte_enabled = true;
showleftMenu();

Failed attempts to turn on VoLTE

1. visit http://192.168.8.1/html/quicksetup.html
2. run in browser console

var volte_xml = object2xml('request', {volte_enable: 1});
saveAjaxData(
  'api/voice/volte',
  volte_xml,
  function($xml) { console.log(xml2object($xml)) }
);

error: {code: '100002', message: ''}

or

curl 'http://192.168.8.1/api/voice/volte' \
  -H 'Accept: */*' \
  -H 'Accept-Language: en-AU,en-GB;q=0.9,en;q=0.8,en-US;q=0.7' \
  -H 'Connection: keep-alive' \
  -H 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8' \
  -H 'Cookie: SessionID=TX0wb2YtL9pI3FTneurjJaKTCICAm9L11JhGbOhmifmE5uW0SLcZgAEtyf9cyNFZu2idjq157Csmy96X5F0vTqc0PdnLmdPbrHr0VJet3P910y3rpAVA6hKAJ7mEJHkq' \
  -H 'Origin: http://192.168.8.1' \
  -H 'Referer: http://192.168.8.1/html/quicksetup.html' \
  -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36 Edg/107.0.1418.24' \
  -H 'X-Requested-With: XMLHttpRequest' \
  -H '_ResponseSource: Broswer' \
  -H '__RequestVerificationToken: K03wQ9lNm0HimM4u1xTlznrt5sO0TD0y' \
  --data-raw '<?xml version="1.0" encoding="UTF-8"?><request><volte_enable>1</volte_enable></request>' \
  --compressed \
  --insecure
 <?xml version="1.0" encoding="UTF-8"?>
 <error>
 <code>125002</code>
 <message/>
 </error>

TP-Link MR6500V N300 4G WiFi Router