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� Supports different level user management.
� Configuration via web, keyboard.
� Firmware and configuration file auto provision.
� Firmware and configuration updating via HTTP, FTP and TFTP.
� Support system log and call log.
1.6 Protocol
� IEEE 802.3 /802.3 u 10 Base T / 100Base TX.
� PPPoE:Point to Point Protocol over Ethernet.
� DHCP: Dynamic Host Configuration Protocol
� SIP RFC3261, RFC3262, RFC3263, RFC3264, RFC3265, RFC2543, RFC3489,
RFC3842, RFC3515, RFC2976, RFC3428, RFC2327, RFC2782, RFC1889.
� TCP/IP: Transfer Control Protocol/Internet Protocol.
� RTP: Real-time Transport Protocol.
� RTCP: RTP Control Protocol.
� SRTP: Secure Real-time Transport Protocol.
� VAD/CNG: Voice Activation Detection/Comfort Noise Generator.
� DNS: Domain Name Server.
� TFTP: Trivial File Transfer Protocol.
� HTTP:Hypertext Transfer Protocol.
� FTP: File Transfer Protocol.
1.7 Compliant Standard
� CE:EN55024, EN55022.
� Comply with ROHS in EU.
� Comply with ROHS in China.
�
Explanation: The letter “e” is the first letter of “environment” and “electronic”. The rim is a round with two arrows, stands for recycles. The number 20 stands for the years of environment protection. Please note the years of environment protection is not discarding year nor usage life.
7
ATCOM TECHNOLOGY CO., LIMITED www.atcom.cn
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Table of contents
- 4 Contact ATCOM
- 5 1. AT820 Series Overview
- 5 1.1 Interfaces
- 5 1.2 Hardware
- 6 1.3 Software
- 6 1.4 Network
- 6 1.5 Management and Maintenance
- 7 1.6 Protocol
- 7 1.7 Compliant Standard
- 8 1.8 Operating Requirement
- 8 1.9 Packing List
- 8 1.10 Installation
- 9 1.10.1 Start the phone
- 9 1.10.2 SIP registration
- 10 1.11 Feet installation instruction
- 10 1.11.1 Desktop position
- 11 1.11.2 Wall position
- 12 2. Keypad of IP Phone
- 13 3. Menu Operation
- 15 4. Basic functions and operations
- 15 4.1 Answer calls
- 16 4.2 Make Calls
- 17 4.3 Hang up the phone
- 17 4.4 Call Transfer
- 18 4.5 Mute
- 18 4.6 Call Hold
- 18 4.7 3-way conference call
- 18 4.8 Call History
- 19 4.9 SMS function
- 20 4.10 Access Mode
- 20 4.11 Move the cursor
- 20 5. Web settings
- 21 5.1 System status
- 22 5.2 Network
- 22 5.2.1 Basic
- 23 5.2.2 Advance
- 25 5.3 Sip Setting
- 25 5.3.1 Sip Timer Values
- 25 5.3.2 RTP Parameters
- 26 5.3.3 SDP Payload Types
- 26 5.3.4 NAT Support Parameters
- 27 5.4 Account
- 27 5.4.1 SIP
- 28 5.4.2 Codec Configuration
- 28 5.4.3 Call Feature Setting
- 29 5.4.4 Dial Plan
- 31 5.5 Phone Setting
- 31 5.5.1 Preference
- 33 5.5.2 Line
- 34 5.5.3 Features
- 35 5.5.4 Voice
- 36 5.5.5 Ring
- 36 5.5.6 Tone
- 37 5.6. Update
- 37 5.6.1 Manual Update
- 38 5.6.2 Auto Provision
- 39 5.6.3 Reset & Reboot
- 39 5.7 Phone Book
- 39 5.8 Call Log
- 40 6. FAQ & Trouble Shooting
- 40 6.1. Frequently Asked Questions
- 40 6.1.1. How to make the factory reset
- 40 6.1.2 Upgrade firmware under safe mode
- 41 6.1.3 How to make direct IP call
- 41 6.2 Trouble Shooting
- 41 6.2.1 The phone can’t register successfully
- 41 6.2.2 The phone can’t obtain IP address
- 42 6.2.3 Only one part can hear the voice during the call