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• Skype For Business Mac Download
• Install Skype For Business Mac
• Skype For Business Mac Test Audio Driver
• Skype For Business Audio Help
• Skype For Business App Mac
• Skype For Business No Audio

Skype for Business uses these ports and protocols:

Skype For Business Mac Download

Click 'Use Skype for Business (full audio and video experience)' if it pops up At this point your client should have joined the meeting. If successful, you will see a small timer (e.g. 0:25) counting in the upper-right corner of the meeting. Here’s how to make audio or video calls to someone via Skype for Business: Step 1: To make a call, find the person in your contact list and click the “Audio” or the “Video” icon. Step 2: When you receive a call on Skype for Business.

5061 TCP (SIP) - Used for SIP/MTLS authentication of A/V users. Communications flow outbound through the internal firewall

Install Skype For Business Mac

443 TCP (HTTP) - Used by Skype for Business clients/Lync connecting from outside the intranet for SIP communications

1024-65535 UDP/TCP - Port range used for inbound and outbound media transfer through the external firewall

Skype For Business Mac Test Audio Driver

Skype For Business Audio Help

6891-6901 TCPPort range used by Skype for Business/Lync clients for file transfer

Skype For Business App Mac

Make sure your firewall is not blocking these and it should work. I suspect that it is a firewall issue since it works internally on the same network.

Skype For Business No Audio