IP PBX station IP4G

The IP-4G is a complete Asterisk Appliance with combination of GSM and VoIP. 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 and GSM network.

User manual

Features
Open Source Asterisk IP PBX
Asterisk GUI v2.0
OSLEC (Open Source Line Echo Canceller)
Configurable IVR menu
Voice Mail
Voicemail to Email
Call Forward
Call Waiting
Call Transfer (Blind Transfer/ Attender Transfer)
Conference Room
Password Protect for Conference Room
Call Pickup/Call Parking
Caller ID
Follow Me
Call Queues
Ring Group
Music On Hold
Call Detail Record
Skype for SIP
SIP Trunk
IAX2 Trunk
GSM Trunk (Channel: 850/900/1800/1900 MHz)
Call Routing
Configure via WEB interface
Codec: G.711u/a, G.729, GSM, Speex, G.726
Full SSH access
50+ available SIP/IAX2 extensions
20 concurrent calls

Applications
SOHO/SMB telephony system
Hosted service
FAX terminal
IVR system

Interface
2 X RJ45 ports
1 X Power port
1 X RS232 port
1 X MMC/SD slot
1 X USB port
4 X SIM card interfaces

Hardware
CPU: 400MHz Blackfin 532 Chip
Flash: 256 MB
SDRAM: 64MB
LEDs x 17
Programmable Reset Button

System
Open Source uClinux