Thông số kỹ thuật: Thiết bị gateway MTG3000
Tính vật lý
- SDH Interfaces
2* Standard LC SDH, 155M
1+1 Redundancy Channels Protection
Master/Slave Clock Source
- Main Control Unit(MCU)
1+1 Redundancy, Hot Plug
- Digital Processing Unit (DTU)
4* DTU Maximum
Support 512 Voice Channels Each Board
- Ethernet Interface
GE1: 10/100/1000 BaseT Adaptive Ethernet
GE0: 10/100/1000 BaseT Adaptive Ethernet
- Serial Port
1* RS232, 115200bps
PSTN
- 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,MF_CRC,MF
- Line Code
HDB3
- Clock Source
Local/Remote Clock Source
Giao thức voip
- 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
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
Tính năng thoại
- 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
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 (VOSRC4)
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