4 FXO(FXS) Ports and 1 E1 Port asterisk IPPBX with Voice mail,Video Calls,Support SKYPE for SIP,Call Monitoring,VOIP PBX Gnex-50Targeting for SOHO user and SMB market.
Attractive black iron case with frosted surface.
Embedded VOIP PBX server based on Asterisk.
Support PPPOE/VPN/DDNS/NAT/SSH.
4 FXO(FXS) Ports and 1 E1 Port.
Unlimited extension register.
Support 30 simultaneous calls.
Easy GUI for configuration.
Long time test assure stable performance.
Easy for lan/wan network organization.
Rich function in one small box.
High performance of network security.Features
Echo Canceller
Configurable IVR menu
Voice Mail,Voicemail to Email
Follow me, Call waiting,Call transfer,Call Parking
Call conference
DISA
Call Paging
BLF(Busy Lamp Field) Ring group
VPN Client(support N2N)
DDNS Client(support Dyndns.org)
SIP trunking, IAX trunking
PSTN analog trunk
Failback
Call Detail Record
FAX T.38
Custom records voice for IVR
Access vis: SSH/telnet/web
Firmware upgradable via web interface(TFTP)
Support  PPPOE/VPN/DDNS/NAT/SSH
Unlimited extension register
Support 30 simultaneous callsApplications
SOHO/SMB telephony system
Hosted service
FAX terminal
IVR systemInterface
2 X RJ45 ports
1 X Power port
1 E1 Port
4 FXO(FXS) PortsHardware
CPU: 400MHz Blackfin 533 Chip
NAND flash 1G
SDRAM 128MSystem
Open Source uClinux
asterisk 1.4.x   The all-in-one GNEX-50 series of IP PBX can not only provide the traditional basic PBX features as well as enhanced features such as visual voice mail, music on hold ,and auto attendant, etc. With Gnex VoIP solutions, SMEs can take advantage of the VoIP services and quickly deploy VoIP networks to connect multiple branch locations over the Internet without the need to change the current equipment or dial plan. Gnex-50A4 GNEX-50A8  GNEX-50AG42 Gnex-50G4 GNEX-50AE41

Gnex-50 Series IPPBX product line include Gnex-50A4, GNEX-50A8, GNEX-50AG42,Gnex-50G4, GNEX-50AE41, which  has different interface in follow table.ModelFXSFXOGSME1Gnex-50A4Gnex-50A404 4  Gnex-50A42222  GNEX-50A8GNEX-50A808 8  GNEX-50A82626  GNEX-50AG42GNEX-50AG4204 42 GNEX-50AG4222222 Gnex-50G4Gnex-50G4  4 GNEX-50AE41GNEX-50AE4104 4 1GNEX-50AE41222221 Key Features30 Concurrent callsUp to 100 registersVideo CallsMultiple Language(English/French/Chinese)DID(Direct Inward Dialing Number)Support SKYPE for SIPSupport USB disk recording(Optional)Call MonitoringBasic Features Codec: G.711-Ulaw,G.711-Alaw,G.726,G.729      GSM,SPEEX,H.261,H.263,H.263+,H.264Call Hold/Forward/Transfer/Waiting/ParkingCall Paging and IntercomCaller IDMusic On HoldDISA(Direct Inward System Access)Flexible Dial PlanRing GroupConference RoomCall LogsBLF(Busy Lamp Field)Configuration By webBuilt-in SIP/IAX2 serverBuild-in voice mail serverSystem Backup and RestoreEcho Cancelation/VADSupport Static/DHCP/PPPOEVPN Client(Support N2N)DDNS Client(Support Dyndns.org)Support NTP(Network Time Protocol)Hardware32 bit embedded RISC DSP1G Onboard Nand Flash128M SDRAMCertificate CE,TBR21,FC,ROHSEnvironmental requirementsTemperature: -10°C-45°CStorage temperature: -30°C-65°CHumidity: 10-80% no dewPower: AC100~240V