Features
uClinux operation system
Asterisk open source PBX
Telephony interface: GSM.
Call forward, call waiting, call transfer, call conference
SIP /IAX2/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