*** Quad band ***
The Voicetech DuMV 2 ports GSM/VoIP PCI Card is Fully functionial (both GSM and VoIP) on board , SIP based and compatible with Asterisk. The card is able to carry 2 calls simultaneously from IP phones to GSM/CDMA/UMTS networks and GSM/CDMA/UMTS network to IP phone.
Beside Voice, 2 ports GSM/VoIP PCI Card support SMS sending and SMS receiving on web directly. Also allows your programmes to Send/receive SMS with all AT Command.
Antenna : 1
SIM Card Hot swapping
Individual route table i.e LAN --> MOBILE and MOBILE --> LAN
- Support one stage diaing
You can dial any GSM destination number via the sim from lan phone directly.
- Support free mode (two stage dialing) and assigned mode (one stage dialing)
Digital audio quality ( noise suppression, echocancel)
Standard SIP(RFC2543, RFC3261) protocol communicates with other gateway or PC
Receive SMS and Send SMS On web directly (CDMA verion:unavailable)
Allows your program Send/receive SMS with all AT Command
Call Back feature
Full function on board and can be set on web.
DIM: 31.5 x 13 cm Weight: 0.235 kg
Protocols: SIP (RFC2543, RFC3261)
DNS Client IEEE 802.1P/
NAT Traversal STUN
uPnP IP Assignment Static IP
a-Law G.723.1 (5.3k)