Portech MV-378G-3G GSM/WCDMA/UMTS VoIP Gateway, 8x SIM, 1x LAN (Global Version: 3G 2G+3G 800/850/900/1900/2100MHZ)

8 Channels VoIP GSM/UMTS Gateway  
MV-378 is a 8 channels VoIP GSM/WCDMA/UMTS Gateway for call termination (VoIP to GSM/UMTS ) and origination (GSM/WCDMA/UMTS to VoIP). It is SIP based and compatible with Asterisk,Trixbox,3CX,SIP Proxy Server,VoipBuster. It can enable to make 8 calls simultaneously from IP phones to GSM/WCDMA/UMTS networks and GSM/WCDMA/UMTS networks to IP phone.   
 
Option SBK-32 :32 SIMs Remote SIM Bank and SIM Server 
Connect with PORTech GSM Gateway via internet 
SIM cards no longer need to be installed in GSM Gateway anymore; 
You can deploy your GSM Gateway in different locations. 
Centralize and supervise all SIMs in one place.  

Option GSM Booster: BT-918/BT-921
It can improve the cellular signal, simple installation
 

Work with Dial peer Server (free)

1. Dial Peer Server can manage 128 GSM ports at same time
   User just need to set one SIP trunk
   Send call to dial peer IP:5060 port from Asterisk/IP PBX
   The call automatically switches from a busy line to available line.
2. Provide CDR
3. Monitor the signal of all GSM ports

Major Function

1. VoIP(SIP),GSM conversion.
2. VoIP(SIP),UMTS conversion for all world
3. 50 sets of LAN --> MOBILE routes setting,50 sets of MOBILE --> LAN routes setting.
   -Support one stage diaing
   -Support free mode-two stage dialing and assigned mode-one stage dialing
4. Voice response for setting and status(dial in from mobile).
5. For call termination (VoIP to GSM/UMTS ) and origination ( GSM/UMTS to VoIP).
6. Standard SIP(RFC2543,RFC3261) protocol,Communicates with other gateway or PC
7. Receive SMS and Send SMS
8. Allows your program Send/receive SMS with AT Command
9. Call Back feature
10. All functions can be set on web.
11. Provide CDR

Specification

• 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
• Assignment,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

3G Frequecny:
U Version: 2G 850,900,1800,1900MHz, 3G 850,2100 MHz
A Version: 2G 850,900,1800,1900MHz, 3G 850,1900 MHz
G Version: 2G 850,900,1800,1900MHz, 3G 800/850/900/1900/2100HMZ

Solution suggest

1. If you need the solution for 32 GSM ports,1 SIM per GSM port, you can buy
   MV-3732*1,(option:SBK-32*1,SS-128)
2. If you need the solution for 32 GSM ports,4 SIMs per GSM port, you can buy
   MV-3732*1,SBK-128*1,SS-128
3. If you need the solution for 64 GSM ports,4 SIMs per GSM port, you can buy
   MV-3732*2,SBK-128*2,SS-256