This issue often caused by outdated or broken wireless network drivers. So, it is important to repair or update your Wi-Fi drivers. To do this, make sure to use professional driver download and...

Why don't you choose cheap USB wireless card for your desktop?
Anyways, if you have Wifi connection on your laptop you can do it with following steps:
-Connect your laptop and desktop with the...

Make sure the firewall is properly configured and has prioritized VoIP traffic. Also, if the office computer is using the same LAN then make sure computers are not using enough bandwidth. Check your...