We can prioritize and optimize 365/Skype (via good peering stations, as well as our wire-speed TCP stack) the Skype channel as we're inline, we're also able to provide visibility into utilization when compared other SaaS App and the overall Internet traffic. Also, it's a much easier forwarding topology when sending all traffic through Zscaler, steering particular apps to go direct can create complex routing surroundings and much overhead to maintain. Skype Not Working
Before you conduct such tests, make sure you could connect to the internet, and your network administrator has enabled functionality for all these processes over your network.Telnet test: Click on the "Start" button in the lower-left corner of the desktop. In the "open" box, enter "cmd" and click "OK." A new command prompt window will open.
If the window turns blank, press "x." If you find the following: "Welcome to Microsoft Telnet Client," the telnet connection to Skype is working correctly. If you see "Linking To" for quite a while or "Could not open a connection to the host," the connection to Skype isn't working.
In case the link to Skype could not be completed, then try: "telnet -ex google.com 80" to see if your firewall is blocking only the Skype host or all of the connections.
Tracert evaluation: If the command prompt window is still open, jump to the next measure. Click the "Start" button in the lower-left corner of the desktop. Select "Run." From the "open" box, enter "cmd" and click "OK." A new command prompt window will open.
In the command-prompt kind: "tracert www.skype.com" (without the quotes) and press"Enter. "
If the test causes connectivity reduction, it's a router issue. Upgrade the router firmware or replace it with another one. If the analysis shows *s in the outcomes, then there might be a network issue with this specific point on the internet. This is beyond your immediate control to fix.