Brand: Dinstar
Model: MTG2000-Chassis
Type: Digital VoIP Gateway
E1/T1 Ports: 4/8/12/16/20 E1/T1
DTU Module: 4 E1/T1
Interface Type: RJ48 (Impedance 120Ω）
Ethernet Interface: GE1: 10/100/1000 BaseT Adaptive Ethernet; GE0: 10/100/1000 BaseT Adaptive Ethernet
Serial Port: 1* RS232, 115200bps
Codecs:G.711a/μ law,G.723.1, G.729A/B, iLBC, AMR
Voice Capabilities: Silence Suppression Comfort Noise Voice Activity Detection Echo Cancellation (G.168),with up to 128ms Adaptive Dynamic Buffer Voice ,Fax Gain Control
FAX:T.38 and Pass-through, Support Modem/POS
DTMF Mode: RFC2833/Signal/In-band Clear Channel/Clear Mode
ISDN PRI: 23B+D(T1),30B+D(E1),NT or TE; ITU-T Q.921, ITU-T Q.931, Q.Sig
Signal 7/SS7: ITU-T, ANSI，ITU-CHINA; MTP1/MTP2/MTP3, TUP/ISUP
E1 Frame Type: DF,CRC-4,CRC_ITU
T1 Frame Type : 4-Frame Multi-frame (F4,FT), 2-Frame Multi-frame (F12, D3/4), Extended Super-frame (F24, ESF) , Remote Switch Mode (F72, SLC96)
Line Codes: E1:NRZ,CMI,AMI,HDB3; T1:NRZ,CMI,AMI,B8ZS
Clock: Local/Remote Clock Source
Maintenance: Web GUI Configuration; Data Backup/Restore; PSTN Call Statistics; SIP Trunk Call Statistics; Firmware Upgrade via TFTP/FTP/Web; Network Capture; SNMP v2
Syslog: Debug, Info, Error, Warning , Notice Call History Records via Syslog; NTP Synchronization; Centralized Management System
Software Features: Local/Transparent Ring Back Tone Overlapping Dialing; Dialing Rules with up to2000PSTN group by E1 port or E1TimeslotIP Trunk Group Configuration Voice Codecs Group Caller and Called Number White Lists Caller and Called Number Black Lists Access Rule Lists IP Trunk Priority
VoIP Photocol: SIP v2.0 (UDP/TCP),RFC3261SDP,RTP(RFC2833), RFC3262;  3263,3264,3265,3515,2976,3311SIP TLS/SRTP RTP/RTCP, RFC2198, 1889SIP-T,RFC3372, RFC3204, RFC3398SIP
Trunk Work Mode : Peer/Access
SIP/IMS Registration: With up to 2000 SIP Accounts NAT: Dynamic NAT, Rport
Call Features: Flexible Route Methods; PSTN-PSTN, PSTN-IP, IP-PSTN; Intelligent Routing Rules; Call Routing base on Time; Call Routing base on Caller/Called Prefixes; 256 Route Rules for each Direction; Caller and Called Number Manipulation
Environmental: 1+1 Redundancy Power Supply
Power Supply: 100-240VAC, 50-60 Hz Power Consumption:45W
Operating Temperature:0 ℃ ~ 45 ℃
Storage Temperature: -20 ℃ ~80 ℃
Humidity: 10%-90% Non-Condensing
Dimensions(W/D/H): 436*300*44.5mm(1U)
Unit Weight: 3.8kg
Compliance: CE, FCC
Warranty: 1 Year