OpenVox VoxStack Series GSM Gateway is an industry 1st open source asterisk-based GSM VoIP Gateway solution for SMBs and SOHOs. With friendly GUI and unique modular design, users may easily setup their customized Gateway. Also secondary development can be completed through AMI (Asterisk Management Interface).
Independent System for Each Module
Affordable Price with Superior Performance
Hot-swap Design for both Sim cards and Modules
Compatible with Asterisk, Elastix, 3CX, Trixbox, FreeSWITCH Sip Server and VOS VoIP operating platform
8 GSM Channels
1 SIM card per GSM channel
2 10/100M LAN interfaces
4 Standard SMA-K interfaces
Storage temperature range: -20~70?
Operation temperature range: 0~40?
Operation humidity range: 10%~90% non-condensing
Power source: 12V DC/4A (110V-220V Power)
DTMF Signaling support: RFC2833, Inband, SIP Info
Simple and convenient configuration via Web GUI
Codecs support: G.711A, G.711U, G.729, G.723.1, G.722, G.726, GSM
Echo Cancellation: ITU-T G.168 LEC
Call Duration Limit
CLIR(Call Line Identification Restriction)
Quad-Band GSM 850/900/1800/1900 MHz & Band binding
SMS bulk transceiver, SMS automatically resend
SMS sent to Email
SMS remotely controlling gateway
IMEI number automatically modify
Open API interface?AMI?
Support diverse SIP, IAX2 protocols (coming soon)
Flexible routing settings & unlimited routing rules
Diverse extensible applications, such as IVR,DISA
Support configuration file backup and upload
Support for custom scripts, dialplans
Least Cost Routing(LCR),according to Time, Port, Calling Number
Support static IP and DHCP