Specifications

PORTech MV-374 4 ports VOIP GSM Gateway for call termination (VOIP to GSM) and origination (GSM to VOIP) .

MV-374 is a 4 channels VoIP GSM / UMTS Gateway for call termination (VoIP to GSM ) and origination (GSM to VoIP). It is SIP based and compatible with Asterisk,SIP Proxy Server,VoipBuster. It can enable to make 4 calls simultaneously from IP phones to GSM networks and GSM network to IP phone.
Major function:
1. VOIP (sip) , GSM/UMTS conversion.

2. 50 sets of LAN--> mobile routes setting, 50 sets of mobile--> LAN routes setting.
3. Voice response for setting and status (dial in from mobile) .
4. For call termination (VOIP to gsm) and origination (gsm to VOIP) .
5. Standard sip (rfc2543, rfc3261) protocol, communicates with other gateway or pc
6. All functions can be set on web.

7. SMS Sending and SMS Receiving

Protocols:SIP (RFC2543,RFC3261)
TCP/IP:IP/TCP/UDP/RTP/RTCP/,CMP/ARP/RARP/SNTP,DHCP/DNS Client,IEEE802.1P/Q,ToS/DiffServ,NAT Traversal,STUN,uPnP,IP Arseignment,Static IP,DHCP,PPPoE
Codec:G.711 u-Law,G.711 a-Law,G.729A,G.729A/B
Voice Quality,VAD,CNG,AEC,LEC,Packet loss


Frequency:
Quad Band:850/900/1800/1900MHZ
3G/UMTS Version for all world and Japen (SoftBank Mobile/Docomo)
3G:EDGE/GPRS 850, 900, 1800, 1900 MHz / HSDPA/UMTS 850, 1900, 2100 MHz
CDMA 2000(800/1900MHZ)

**Please note**
1. Most CDMA -2000 operators don't offer Answer signal.
So VoIP to Mobile, MV-374 will connect soon.
CDMA -2000 operators will start billing soon. It doesn't wait mobile side answer
2. CDMA Version doesn't support SMS Feature and 180/183 unalable
3. CDMA version doesn't have Remote SIM feature

Application