Level 7 Systems Ltd.
 http://websitechat.net/en/download

Mobilkom Austria
 http://www.kvats.net


People Fone AG
 https://www.peoplefone.at/content/softphone.php

 https://www.peoplefone.ch/content/softphone.php

 https://www.skfon.sk/content/softphone.php

 https://my.plfon.pl/content/softphone.php


Vodafone DE
 http://www.vodafone.de/business/festnetz-dsl-firma-buero/127651.html