User manual

AT820
AT820
AT820
AT820 Series
Series
Series
Series User
User
User
User Manual
Manual
Manual
Manual
2
ATCOM TECHNOLOGY CO., LIMITED www.atcom.cn
Content
Content
Content
Content
Contact ATCOM
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1. AT820 Series Overview
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1.1 Interfaces
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1.2 Hardware
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1.3 Software
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1.4 Network
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1.5 Management and Maintenance
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1.6 Protocol
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1.7 Compliant Standard
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1.8 Operating Requirement
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1.9 Packing List
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1.10 Installation
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1.10.1 Start the phone
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1.10.2 SIP registration
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1.11 Feet installation instruction
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1.11.1 Desktop position
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1.11.2 Wall position
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2. Keypad of IP Phone
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3. Menu Operation
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4. Basic functions and operations
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4.1 Answer calls
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4.2 Make Calls
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4.3 Hang up the phone
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4.4 Call Transfer
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4.5 Mute
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4.6 Call Hold
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4.7 3-way conference call
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4.8 Call History
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4.9 SMS function
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4.10 Access Mode
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4.11 Move the cursor
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5. Web settings
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5.1 System status
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5.2 Network
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5.2.1 Basic
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5.2.2 Advance
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5.3 Sip Setting
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5.3.1 Sip Timer Values
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5.3.2 RTP Parameters
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5.3.3 SDP Payload Types
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5.3.4 NAT Support Parameters
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5.4 Account
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