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Chapter 1 the Introduction of IP-2G4A
1. Overview of the IP-2G4A
The IP-2G4A is a complete Asterisk Appliance with combination of GSM and Ananlog 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 PSTN network.
2．Hardware
CPU: 400MHz Blackfin 532 Chip
2 x GSM ports and four analog ports
NAND flash 256 M
SDRAM 64M
3．System
Open Source uClinux
4. Function features
PSTN, GSM,ISDN
Support g711/g729/gsm codec
Voicemail
Voicemail groups
3-way Calling
Conferencing
Follow Me
Call Feature
In directory
Call Waiting
Call Queues
Pickup Group
Ring Group
Is Agent
Music On Hold
Voice Menus
Voice menus Prompts
Time intervals
Backup
Update
www.atcom.cn
4
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