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Yealink VC400 User Manual

Yealink VC400
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Customizing the VC400 Video Conferencing System
77
If the call history is more than one page, you can press or to turn pages.
4. Press (Add to Contact soft key).
5. Enter contact name in the Name field.
You can add more than one number for the contact. For more information, refer to Adding
Contacts on page 60.
6. Press (Save soft key) to save the contact.
Call history management feature is configurable via web user interface at the path
Directory->History.
Call Protocol
The VC400 video conferencing system supports SIP and H.323 call protocols. H.323 is commonly
used to communicate to other video conferencing systems. SIP is commonly used to
communicate with other VoIP devices. You can configure which protocol is to be used when the
system is making calls. When the Auto call protocol is used, the system preferentially uses the
H.323 protocol to place calls. If there is no available H.323 account on the system, the system
will switch to the SIP protocol. You can also specify the desired protocol for the system to place
calls via the remote control or web user interface.
Note
To configure the call protocol via the remote control:
1. Press (Menu soft key) to enter main menu.
Before configuring call protocol, ensure the remote system supports the call protocol too.
For more information, contact your system administrator.

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Yealink VC400 Specifications

General IconGeneral
Optical zoom18 x
White balanceAuto, Indoor, Outdoor
Focus adjustmentAuto
Video codecsH.264, H.264, H.263
Supported video modes1080p
Supported graphics resolutions352 x 288, 704 x 576, 1280 x 720 (HD 720), 1920 x 1080 (HD 1080)
Voice codecsG.711, G.711a, G.722
Line-inYes
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
ITU-supported standardsH.323
Ethernet LAN data rates10, 100, 1000 Mbit/s
AC input voltage100-240 V
Power consumption (max)30 W
Weight and Dimensions IconWeight and Dimensions
Depth183 mm
Width330 mm
Height40 mm

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