Administrator’s Guide for Yealink Video Conferencing Systems
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The device type will change from “Demo Machine” to “Normal Machine”.
8-Way MCU License
To initiate a multipoint conference, you must use an MCU.
Without 8-way MCU, the VC400 video conferencing system supports 4-way video calls and an
additional voice call (an original caller and four other sites). You can import an 8-way MCU to
extend the VC400 to support 8-way video calls and an additional voice call (an original caller
and eight other sites).
Without 8-way MCU, the VC120 video conferencing system supports one video call and one
voice call. You can import an 8-way MCU to extend the VC120 to support 8-way video calls and
an additional voice call (an original caller and eight other sites). 8-way MCU is configurable via
web user interface only.
8-way MCU is configurable via web user interface only. VC400/VC120 video conferencing
system supports a permanent version of the 8-way MCU and a trial version of the 8-way MCU.
They have the same feature.
Permanent version of the 8-way MCU: each VC400/VC120 has a unique MCU license.
The MCU license cannot be used for other systems. You need to contact Yealink resellers to
purchase it, please provide the MAC address of your VC400/VC120 when purchasing.
Trial version of the 8-way MCU: VCS can share a MCU license. You can download a
30-day trial from Yealink website.
To import the 8-way MCU via web user interface:
1. Click on Security ->License.
2. Click Browse to locate the 8-way MCU (the file format must be *.dat) from your local
system.
3. Click Upload to complete importing the 8-way MCU.