The Portech 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.

Major Function

• Antenna
• SIM Card Hot swapping
• Individual route table i.e LAN --> MOBILE and MOBILE --> LAN
• Supports 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.
• DTMF detection
• DIM: 31.5 x 13 cm Weight: 0.235 kg

Specification

Protocols:

• SIP (RFC2543, RFC3261)
• TCP/IP
• IP/TCP
• UDP/RTP
• RTCP/DCMP/
• ARP/RARP/
• SNTP/DHCP/
• DNS Client IEEE 802.1P/
• Q ToS/
• DiffServ
• NAT Traversal STUN
• uPnP IP Assignment Static IP
• DHCP PPPoE

Codec

• G.711
• u-Law G.711
• a-Law G.723.1 (5.3k)
• G.723.1 (6.3k)
• G.729A
• G.729A/B
• Voice Quality
• Packet loss
• VAD
• CNG
• AEC
• LEC