High Density Digital VoIP Gateway Model JSLTG3000

•1+1 Redundant Main Control Unit (MCU)

•Up to 63 E1s/T1s, STM-1 interface

•4 Digital Processing Unit (DTU), each support 512 channels

•Codecs:G.711a/μ law,G.723.1, G.729A/B, iLBC 13k/15k,AMR

•Dual Power Supplies

•Silence Suppression

•2 GE

•Comfort Noise

•SIP v2.0

•Voice Activity Detection

•SIP-T,RFC3372, RFC3204, RFC3398

•Echo Cancellation (G.168),with up to 128ms

•SIP Trunk Work Mode: Peer/Access

•Adaptive Dynamic Buffer

•SIP/IMS Registration :with up to 256 SIP Accounts

•Voice, Fax Gain Control

•NAT: Dynamic NAT, Rport

•FAX:T.38 and Pass-through

•Flexible Route Methods: PSTN-PSTN, PSTN-IP, IP-PSTN

•Support Modem/POS

•Intelligent Routing Rules

•DTMF Mode: RFC2833/SIP Info/In-band

•Call Routing base on Time

•Clear Channel/Clear Mode

•Call Routing base on Caller/Called Prefixes

•ISDN PRI:

•256 Route Rules for each Direction

•Signal 7/SS7: ITU-T, ANSI, ITU-CHINA, MTP1/MTP2/MTP3, TUP/ISUP

•Caller and Called Number Manipulation

•R2 MFC

•Local/Transparent Ring Back Tone

•Web GUI Configuration

•Overlapping Dialing

•Data Backup/Restore

•Dialing Rules, with up to 2000

•PSTN Call Statistics

•PSTN group by E1 port or E1 Timeslot

•SIP Trunk Call Statistics

•IP Trunk Group Configuration

•Firmware Upgrade via TFTP/Web

•Voice Codecs Group

•SNMP v1/v2/v3

•Caller and Called Number White Lists

•Network Capture

•Caller and Called Number Black Lists

•Syslog: Debug, Info, Error, Warning , Notice

•Access Rule Lists

•Call History Records via Syslog

•IP Trunk Priority

•NTP Synchronization

•Radius

•Centralized Management System