12Yealink Test Room IP: 117.28.251.50、117.28.251.51. Select Menu->Advanced (Admin Password:0000)->NAT/Firewall. Select Auto from the Type pull-down list, the system will obtain public IP address automatically.If the system does not obtain a public IP address automatically, select Manual Settings from the Type pull-down list,.and then enter the public IP address in the Public IP Address field.To configure NAT via the remote control:

Packaging Contents

Connections

Remote Control and Cable Ties Installation

Bracket and Camera Installation

Main Screen

Network Deployment

Troubleshooting

Yealink VC400 Quick Start Manual

VC400

System Overview

Optional Accessory

VC400/VC120 Codec

VCC18 HD Camera

System Component Instructions

VCR10 Remote Control

User Interfaces

Remote Control

Getting Started

Setup Wizard

Configuring Network

DHCP

LLDP

VLAN

X Authentication

H.323 Tunneling

Reserved Ports

H.460 Firewall Traversal

Intelligent Firewall Transversal

Quality of Service

Configuring Call Preferences

Codecs

Call Type

Do Not Disturb

Auto Answer

Call Match

History Record

Bandwidth

Configuring System Settings

Language

Time and Date

Automatic Sleep Time

Hide IP Address

Relog Offtime

Key Tone

Audio Output Device

Audio Setting

Audio Input Device

Volume

Dual-Stream Protocol

Mix Sending

Camera Control Protocol

Tones

System Management

LDAP

Call History

Search Source List in Dialing

Configuring Security Features

Administrator Password

Web Server Type

Secure Real-Time Transport Protocol

Transport Layer Security

System Maintenance

SNMP

Icon Instructions

Troubleshooting Solutions

Configuring the System for Use with a Firewall or NAT

Appendix

Configuring Network Settings Manually

LED Instructions

declaration of conformity

weee warning

about this guide

system overview

user interfaces

remote control

getting started

installing batteries in the remote control

powering the system on and off

system startup

configuring lan properties

configuring the system for use with a firewall or nat

network address translation

configuring call preferences

audio codecs

do not disturb

auto answer

general setting

configuring camera settings

camera control protocol

call history

search source list in dialing

administrator password

troubleshooting

patent information

typographic conventions

Physical Features

VC120 Packaging Contents

VCC18/VCC20 HD Camera

Video Conferencing Phone

CPE80 Expansion Microphone

VCM30 Video Conferencing Microphone Array

Icons on the Video Conferencing Phone

Installing the VC400 Video Conferencing System

Installing the Camera

Installing Batteries in the Remote Control

Powering the System On and Off

System Startup

Enabling Communication with Other Systems

Placing a Test Call from VCS

Configuring LAN Properties

Static DNS on

IPv6 Support

Configuring Network Speed and Duplex Mode

Manual Configuration for VLAN

DHCP VLAN

H.323 Tunneling on

Restricting Reserved Ports

Network Address Translation

Intelligent Firewall Traversal

Logging into the Yealink VC Cloud Management Service Platform

Registering a YMS Account

Logging into the StarLeaf Cloud Platform

Logging into the Zoom Cloud Platform

Registering a Pexip Account

Logging into the BlueJeans Cloud Platform

Logging into the Mind Platform

Registering a Custom Account

Logging out of the Cloud Platform

Configuring SIP Settings

Configuring H.323 Settings

Enabling H.460 Support for H.323 Calls

DTMF

Methods of Transmitting DTMF Digit

Video Codecs on

Call Protocol

Account Polling

Auto Dialout Mute

Sharing Content

Ringback Timeout

Auto Refuse Timeout

Default Layout

Public Mode

Configuring Remote Control

Site Name

Backlight of the Video Conferencing Phone

Date & Time

Hiding IP Address

Hiding Menu Logo

Hiding Icons in a Call

Meeting Password

Meeting Whitelist

Meeting Blacklist

Keyboard Input Method

Adjusting MTU of Video Packets

Overview

VC400 Codec

VCP40 Video Conferencing Phone

Icon on VCP40 Video Conferencing Phone

Web User Interface

Documentations

Installing Batteries for the Remote Control

Connecting the CPE80 Expansion Microphone

Registration

Navigating Menus on the Display Device

Entering Data and Editing Fields

System Status

Customizing VC400 Video Conferencing System

Backlight

Time & Date

Audio Settings

Local Directory

adding contacts

editing contacts

deleting contacts

searching for contacts

importing/exporting contact lists

Call History Management

viewing call history

deleting an entry from the call history list

adding a contact from the call history list

Bandwidth Settings

Far-end Camera Control

Using VC400 Video Conferencing System

Placing a Call Using the Remote Control

Placing a Call Using the VCP40 Phone

Answering or Rejecting Calls

Do Not Disturb (DND)

Ending Calls

Call Management

Call Statistics

Presentation

Controlling the Camera

Changing Video Input Source

Screenshot

General Issues

Camera Issues

Display Issues

Regulatory Notices

Restriction of Hazardous Substances