Yealink VC400 User Manual page 137

8-way conference license status can be viewed via web user interface at the path
Status->License.
Note 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.
For more information on how to set up an 8-way conference, refer to
page 90. By default, all video images are shown in the same size after the conference call is set
up.
Using the VC400 Video Conferencing System
Placing Multiple Calls on
125