Product information "Portech GSM/UMTS - VoIP Gateway 16x SIM / 1x LAN MV-3716-4G"

16 ports VoIP GSM Gateway /  VoIP GSM/UMTS Gateway / 4G LTE Gateway (from 16 to 32 GSM channels)  
  
MV-3716 is a 16 channels VoIP GSM/UMTS/LTE Gateway for call termination (VoIP to GSM/UMTS/LTE  ) and origination ( GSM/UMTS/LTE  to VoIP). It is SIP based and compatible with Asterisk,Trixbox,3CX,SIP Proxy Server,VoipBuster. It can enable to make 16 calls simultaneously from IP phones to GSM/UMTS/LTE  networks and GSM/UMTS/LTE  networks to IP phone.

Major Function

1. VoIP(SIP)- GSM/UMTS/LTE  Conversion
2. Support LCR(Least Cost Routing) for cost reduction
3. SMS receiving and sending
4. Allow your program with AT Command
5. Call Back Service
6. Enable 1 stage dialing ,2 stage dialing
7. Backup of CDR
8. Support Virtual SIM/Remote SIM Management(1 SIM or MultiSIM)
   • Support USSD Command(SIM Balance,Recharge value)
9. Easy Web-based interface management

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
• 4G LTE version (Global)
  LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28
  LTE TDD: B38/B39/B40/B41
  WCDMA: B1/B2/B4/B5/B6/B8/B19
  GSM: B2/B3/B5/B8