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
Voice Capabilities
•Codecs:G.711a/μ law,G.723.1, G.729A/B, iLBC, AMR
•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/Inband
•Clear Channel/Clear Mode
PSTN
•Power: input:100-240V,50-60Hz output:12VDC,1.0A
•Temperature(operation): 0 ℃~ 45 ℃
•(storage): -20 ℃~80 ℃
•Operation Humidity: 10%-90% no condensation
•Dimension(w/D/H): 225*150*38mm
•Weight: 0.75kg
Protocol
•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
VoIP Protocol
•SIP v2.0 (UDP/TCP),RFC3261
SDP,RTP(RFC2833), RFC3262,
3263,3264,3265,3515,2976,3311
•RTP/RTCP, RFC2198, 1889
•SIP-T,RFC3372, RFC3204, RFC3398
•SIP Trunk Work Mode :Peer/Access
•SIP/IMS Registration :with up to 256 SIP Accounts
•NAT: Dynamic NAT, Rport
Software Features
•Local/Transparent Ring Back Tone
•Overlapping Dialing
•Dialing Rules,with up to 2000
•PSTN group by E1 port or E1 Timeslot
•IP Trunk Group Configuration
•Voice Codecs Group
•Caller and Called Number White Lists
•Caller and Called Number Black Lists
•Access Rule Lists
•IP Trunk Priority
•RTP and Signaling Encryption (VOS RC4)
Call Features
•Flexible Route Methods
PSTN-PSTN, PSTN-IP, IP-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
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
Environmental
•Redundant Power
•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