1)1E1 and 4 Analog Ports with 30 concurrent calls; 2) Support Call Monitoring and Video Call; 3) Call Hold/Forward/Transfer

ZX50-AE41 IP PBX With 1E1 and 4 Analog Interface:

 Main Features:

30 Concurrent callsUp to 100 registersVideo CallsMultiple LanguageDID(Direct Inward Dialing Number)Support SKYPE for SIPSupport USB disk recording(Scalable)Call MonitoringCodec: 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 IDCall QueueBlack ListPhone BookMusic 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) 

Hardware:32 bit embedded RISC DSP1G Onboard Nand Flash128M SDRAMEnvironmental requirements:Temperature: -10°C-45°CStorage temperature:-30°C-65°CHumidity: 10-80% no dewPower: AC100~240V

E1 IP PBX