Yealink VC120, Administrator'S Manual

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System Management
243
-
If the 8 way MCU displays
Unsupported
, it means you have not imported an 8-way
MCU.
-
If the 8 way MCU displays
X~Y Available
, it means you have imported a trail version
of 8-way MCU. So the VC400/VC120 supports up to 8-way video calls and an
additional voice call (an original caller and eight other sites) in X~Y period.
- If the 8 way MCU displays
Eternal
, it means you have imported a permanent version
of the 8-way MCU. So the VC400/VC120 supports up to 8-way video calls and an
additional voice call (an original caller and eight other sites) permanently.
Note
VCS Integrated with Control Systems
The Yealink video conferencing systems provide an API interface for the third-party control
system. The API commands can be sent to Yealink video conferencing systems over LAN or
Upgrading the system or performing a factory reset will not affect the imported 8-way license.
If the system has been imported a trial version of the 8-way license and the license has not
expired, and you import a permanent version to the system, the permanent version will overwrite
the trial version.
If the system has been imported a permanent version of the 8-way license, and you import a trial
version to the system, the permanent version will not be overwritten.