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Can't Sign in Skype for Business (Office 365) via ClearOS v6.2
I'm having difficulties to connect skype for bussiness (part of Office 365) via ClearOS. The skype alywas return "The server is temporaray unavailable".. When I try to connect directly the laptop via mobile/gsm hotspot my skype for business can succesfully connect.
FYI Exchange online via MS Outlook dan SharePoint online run very well via clearOS network.
I think there is some proxy problem that make skype unable to connect via clearOS.
Here my ClearOS setting:
- ClearOS Professional V6.2
- Non-transparent proxy via 8080
- Engress firewall setting: Block all. Allow some port for : https, http, SMTP
- Allow por for skype: TCP 50000-59999, UDP 50000-59999, TCP 5223, UDP 3479
- By pass in proxy: *.microsoft.com, *. lync.com, etc. Ref: https://support.microsoft.com/en-us/kb/2409256
But still until now I can't sign in Skype for Business via ClearOS.
Any enlightenment is appreciated
Best,
Faisal -