• Support 2 SIP
  • 128*64 DOTS
  • 4 softkeys
  • Support POE

AT820P is a user friendly, two lines IP phone with rich function and crystal voice quality,support multi language. Because of the good compatibility with all kinds of standard SIP softswitch and IP PBX system, it is the best choice of VoIP service based on broadband for SMB market.


    • High performance Lantiq solution to support crystal clear voice quality
    • SIP support
    • Back light on LCD display
    • Support hardware HD voice and G.722 codec
    • Support 2 SIP lines
    • Elastix certified
    • Dual RJ45 port (WAN+PC) with Router/Switch function
    • Full duplex speaker with HIFI voice quality
    • Suppport VLAN
    • L2TP VPN without IPSec
    • Wall mounted structure
    • Independent RJ9 headset support
    • Customized right tone for different regions
    • Auto provision of configuration
    • Power Over Ethernet


  • VoIP
    • Sip 2.0 (RFC3261) and other related SIP RFC
    • 2 SIP Accounts
    • STUN
    • Support SIP domain,SIP authentication(none,basic,MD5),NDS
    • Support in band audio, RFC2833 and SIP info,DTMF transmission way
    • SIP Call Forward,Call transfer,Call hold,Call waiting, 3-way talking,Pickup,Redial,Call Park
    • Support DND(Do Not Disturb),Blacklists,Auto answer
    • Dial-peer calling rule, IP to IP call
    • Phone book with 100 records, 50 dialed\answered call\missed calls
    • Support HTTP,FTP TFTP updating the configuration
    • Support multi language
    • Support SMS

  • Voice
    • G.711A/u, G722, G.723, iLBC, G.726-16, G.726-24, G.726-32, G.726-40, G.729 Codec
    • G.168 compliant 96ms echo cancellation
    • Jitter Buffer
    • VAD
    • AEC
    • AGC
    • CNG
    • Support HD voice
    • Support HAC

  • Networking
    • LAN/PC:Support bridge mode
    • LAN support DHCP,Static and PPPoE
    • Support VLAN(DATA VLAN and VOICE VLAN)
    • Support L2TP VPN without IPSec
    • Qos support diffserv for SIP signaling and voice stream( RTP&RTCP)
    • Support ToS
    • Support SNTP client
    • Support TLS
    • Support SRTP

  • Management
    • Support different level user management
    • Configuration via web,keyboard
    • Firmware and configuration updating via HTTP,FTP and TFTP
    • Support system log
    • Support auto provision for configuration file upgrade

  • Hardware
    • LCD: 128×64 dot matrix
    • FLASH: 8M
    • RAM: 8×16M
    • LED indicator:1 Status Light,2 line indicator, 1 voicemail indicator, 1 headset indicator, 1 mute indicator, 1 hand free indicator
    • Soft key*4
    • Dual Core CPU

  • Interfaces
    • Power: Output Power: 12V, 500mA DC
    • LAN: 1*RJ45
    • PC: 1*RJ45
    • Headset jack :1* RJ9
    • Handset jack :1* RJ9

  • Compliance Certificates
    • CE: EN55024 EN55022

Contact ATCOM:

ATCOM Technology co., LTD.
Address: A2F , Block 3 ,Huangguan Technology Park , #21 Tairan 9th Rd, Chegongmiao , Futian District , Shenzhen China
Tel: +(86)755-23487618
Fax: +(86)755-23485319

European Distribution:

Alsacecom | French VoIP Product and Service Reseller - France and EU Distribution.
Maple4VoIP ATCOM Authorized Channel Partner Cheap Prices! Quick delivery by UPS. European Distributor
IPChitChat UK and European Distributor Atcom IP Phones - Atcom AT-610P IAX and SIP IP Phone
Atcom UK and European Distributor Netcloud

See Also

Created by: limn1116, Last modification: Sat 07 of Feb, 2015 (16:43 UTC) by alsacecom
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