Video Resolution Recommended Bandwidth
Full HD 1080P 1.3Mb
People 1080P+Content 1080P 2.6Mb
Bandwidth Requirements
To ensure the best video conference performance , the recommended bandwidth for VC120 is as
below:
For more information on configurations, contact your system administrator.
The bandwidth mentioned above is based on a two-way conference. Head office bandwidth should be
increased in line with the growing number of connected branch offices.
10
Troubleshooting
After installation and deployment, you can test the VC120 by dialing the Yealink Demo Room. If
you can’t dial out successfully, please contact your IT administrator to check the internal network
configuration.
Assume that you are A in head office. Using the configuration method explained in "Head Office"
chapter on page 7, you find that you can call B in branch office or Yealink Demo, but that they
cannot call you. The most likely reason is that the firewall or gateway in the environment does
not support the H.323 ALG feature. In this situation, please take the following actions so that the
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