• open source project
  • Two GSM and four ISDN BRI Channels Embedded IP PBX system

The IP-2G4B is a complete Asterisk Appliance with combination of GSM and ISDN BRI channels. It is an embedded open source Linux system with built-in SIP/IAX2 proxy server and NAT functions. It provides a solid, uniform platform for Mobile and VoIP communications.
Targeting for SOHO user and SMB market with an easy to use graphical interface, ATCOM GSM IP PBX provides a cost-saving solution on their telecommunication/data needs. With these devices, company with branch offices in different countries can be easily combined together to work like a virtual single office through internet, GSM and ISDN BRI network.


  • Open Source uClinux


  • CPU: 400MHz Blackfin 532 Chip
  • 2 x GSM ports and four ISDN BRI ports
  • NAND flash 256 M
  • SDRAM 64M


  • uClinux operation system
  • Asterisk open source PBX
  • Telephony interface: GSM, FXO/FXS.
  • Call forward, call waiting, call transfer, call conference
  • SIP /IAX2/ISDN BRI/GSM trunking
  • GSM frequency bands: SM850,EGSM900,DCS1800, PCS1900
  • Compliant to GSM phase2/2+
  • IVR menu
  • VoiceMail , VoiceMail to Email
  • SMS
  • 20 concurrent calls
  • 50+ user extensions
  • Integrate with Skype Connect


  • Interface:
    • 1 X RJ45 port.
    • 1 X Power port.
    • 1 X RS232 port.
    • 4 X ISDN BRI ports.
    • 2 X GSM channels.

  • Applications:
    • SOHO/SMB telephony system
    • Hosted service
    • IVR system

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
E-mail: sales@atcomemail.com
Website: http://www.atcom.cn

European Partner & Distributor:

VoIPtel We ship worldwide

European Distributors:

Alsacecom | VoIP Product Reseller - France and EU Distribution.
IPChitChat UK and European Distributor
VoIPon - UK & Worldwide - Best Prices and Support on Atcom IP04 - Call for reseller pricing or International Shipping. VoIPon.

French Reseller:

Neotiq Support and expertise in French on the products.

Australasian partners:

nicegear - New Zealand's VoIP and Open Source hardware supplier - New Zealand

See Also

Created by: nick-atcom, Last modification: Wed 13 of Apr, 2011 (12:52 UTC) by michaelj
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