Chapter 1 the Introduction of AX2G4A
Overview of the AX-2G4A
AX-2G4A Asterisk card is a hybrid card, which support two GSM channels and 4 FXO/FXS
analog ports. Using AX-2G4A, open source Asterisk PBX and stand alone PC, users can create
their SOHO telephony solution which includes all the sophisticated features of traditional PBX,
and extended features in IP PBX, such as voicemail, call transfer, call park, call pick up, call
forward, bulk SMS sending, SMS receiving and so on.
Features
Two GSM channels and four analog ports
Bulk SMS sending
SMS receiving and storage
Multi-language for SMS content
IMEI changeable
PIN-Number unlock for the SIM card
Hardware echo cancellation embedded on the GSM module
Monitor GSM signal strength by command and LEDs
Monitor communication status by command line
Send SMS by Asterisk CLI, and dial-plan
Detect accurately when the called party answers the call
GSM quadband frequency(850/900/1800/1900MHz)
DTMF detection
Suitable for 3.3 volts and 5.0 volts 32 bit PCI slots
PCI slot or 4-pin connector for power feeding
Support Elastix 2.0.3, Trixbox 2.8.0.4
Applications
GSM and analog connectivity for PBX
Mobile and analog PBX
GSM and analog VoIP gateway
SMS gateway
GSM callback services
Billing system