E1/T1 ISDN Trunking Gateway

The ETG Series analog VoIP gateways are feature-rich and cost-effective products designated for telecom operators to provide telephony services with security-enhanced capabilities in the modern complex networks.
ETG series E1/T1 Ports trunking gateway is the ideal cost effective solution for carrier and enterprise applications. Whether it is connected to PSTN or to PBX, the trunk Gateway provide a reliable and bandwidth-efficient solution that leverages the interoperability, scalability and enhanced services capability of industrial standard SIP protocol.

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Category:
  • Features

    • SIP to ISDN and ISDN to SIP gateway
    • 24/30/48/60 digital voice channels
    • ETSI, DMS, NET2, 5ESS compatible
    • 1U x 19-inch, front access rack-mountable
    • 3 x 100Base-TX interfaces
    • WEB UI, remote upgrade
  • Specifications

    Model
    • ETG 2531: 1 WAN + 2 LAN + 1 ISDN E1/T1
    • ETG 2532: 1 WAN + 2 LAN + 2 ISDN E1/T1
    Voice Feature
    • G.711 a/μ, G.726(32K), G.729A, G.723.1
    • Silence Suppression and Detection
    • Comfort Noise Generation (CNG)
    • Voice Activity Detection (VAD)
    • Echo Cancellation (G.168)
    • Adjustable jitter buffer
    • Adjustable packet time (by Codec type)
    • Programmable Gain Control
    • Adjustable call progress tone volume
    SIP Method Support
    • ACK, BYE, CANCEL, INFO, INVITE, MESSAGE, NOTIFY, OPTIONS, PING, PRACK, PUBLISH, REFER, REGISTER, SUBSCRIBE, UPDATE
    SIP Call Features
    • Peer to Peer Call
    • Call Forward – unconditional, busy, no answer
    • Do Not Disturb
    • Speed Dialing
    • Hot Line and Warm Line
    SIP Call Management
    • Support Outbound Proxy
    • Support SIP Compact Form
    • SIP Registration Failover
    • Group Hunting
    • P-Asserted-Identity per RFC3325
    • Privacy Mechanism per RFC3323
    • Session Timers (Update / Re-invite)
    • DNS SRV Support
    • Call Types: Voice / Modem / FAX
    • User Programmable Dial Plan
    • CDR by RADIUS client
    • Manual Peer Table (for P2P calls)
    • E.164 Numbering, ENUM support
    SIP Account Management
    • By channel registration
    • By E1/T1 registration (share account)
    • Invite with Challenge
    • Support RFC3986 SIP URI format
    Physical Interface
    • WAN : 1 x 100 BaseTx, auto cross-over, auto speed negotiation, RJ-45 connector
    • LAN : 2 x 100 BaseTx switch, auto cross-over, auto speed negotiation, RJ-45 connector
    • E1/T1 : RJ48C
    • Factory default and Reset button
    Telephony Specification
    • In-Band DTMF, Out-of-Band DTMF Relay (RFC2833 or SIP INFO)
    • Caller ID
    • T.30 FAX passthrough, T.38 Real Time FAX Relay
    LED Indicators
    • Power, Alarm, VoIP, Run, AIS, RAI, LINK, LOS, LBK, WAN, LAN
    General Information
    • Dimensions : 44.5 (W) x 25 (D) x H 4.5 (H) mm
    • Weight : 3.8kg
    • Power : AC 100~240 V 50/60Hz input
    • Operating temperature :0°C~ 45 °C
    • Storage temperature : - 20°C~ 70 °C
    • Operating Humidity : Up to 90% RH, non-condensing
    IP Network Specification
    • WAN: Static IP, PPPoE, DHCP, PPtP
    • Network Protocol Support:
    • IP, TCP, UDP, TFTP, FTP, RTP, RTCP, ARP, ICMP, NTP,DHCP, STUN Client, HTTP, HTTPS, DNS, DNS SRV, Telnet
    • IPv4 , IPv6
    • DDNS Support
    • QoS Support:
    • WAN: DiffServ, IP Precedence
    Network Security Specifications
    • DIGEST Authentication
    • MD5 Encryption
    • DoS Protection
    • Caller Filter by IP address
    Management
    • Web Based Configuration
    • Telnet command line interface (CLI)
    • IVR Configuration
    • FTP / TFTP / HTTP Software Upgrade
    • Configuration Backup and Restore
    • SNMP V1/V2c/V3
    Digital Interface
    • Supported Switch Types: ETSI, DMS, NET2, 5ESS
    • Line coding:
    E1 ISDN PRI: HDB3 T1 ISDN PRI: B8ZS, AMI
    • Line Impedance:
    E1 120 Ohm, Balanced 75 Ohm, UnBalanced T1 100 Ohm
    • Framing :
    E1: ITU-T G.704 T1: SF, SLC96, ESF
    E1 Loopback
    • Digital loopback (DLBK)
    • Remote loopback (RLBK)
    • ST-BUS loopback (SLBK)
    • Payload loopback (PLBK)
    • Metallic loopback (MLBK)
    • Per time slot Local loopback (LTSL)
    • Per time slot remote (RTSL)
    SIP, Voice and FAX Related Standard
    • RFC1889, RFC2543, RFC2833, RFC2880, RFC2976, RFC3261, RFC3262, RFC3263, RFC3264, RFC5359, RFC3265, RFC3311, RFC3323, RFC3325, RFC3362, RFC3515, RFC3550, RFC3665, RFC3824, RFC3841, RFC3842, RFC3891, RFC3892, RFC3960, RFC3986, RFC4028
    Network Related Standard
    • RFC318, RFC791, RFC792, RFC793, RFC768, RFC826, RFC959, RFC1034, RFC1035, RFC1058, RFC1157, RFC1305, RFC1321, RFC1349, RFC1350, RFC1661, RFC1738, RFC2854, RFC2854, RFC2136, RFC2327,
    • RFC2474, RFC2516, RFC2616, RFC2617, RFC2637, RFC2766, RFC2782, RFC2818, RFC2916, RFC3022, RFC3489
  • Application

    Application