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 ITG-SH2400 / ITG-SH2412 / ITG-SH2424

24 Port Modular High Density
VoIP Gateway

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Packing List

Specification
VoIP Key Features

Modular design to accommodate various types of telephony interfaces

BothSupport SIP and H.323 protocols: SIP Registration and Digest Authentication;

   H.323 Gatekeeper Registration

SIP Single Number / Account for multiple ports

Caller ID Delivery: FXS support DTMF&FSK Caller ID generation

Smart VoIP call Dialing Book: VoIP call Book could provide any application VoIP call

   to any type destination (Domain name / IP address, PSTN or PBX) or hunting number
   setting
AC termination Impedance : 600/900 OHM and complex impedance
Answer Supervision for Polarity Reversal Detection and Voice detection
NAT traversal: This feature allow gateway to operate behind any NAT/Firewall device.
   Need not to change any configuration of NAT/Firewall like setting virtual server
Smart-QoS Guaranteed : This bandwidth management feature provide good voice
   quality when user place a VoIP call and access internet at the same time. The
   gateway will automatically start to reserve bandwidth for voice traffic when VoIP call
   proceeds
Call Hunting Facility: This function helps gateway to use the lines effectively. This
   facility automatically transfers your incoming call to a free line. Subscribers need not
   indicate numerous numbers of each port of gateway
Voice channels status display: This function display each port status like as on-hook
   off-hook, calling number called number, talk duration, codec
Flash Detection and Generation Program: FXO support Flash Generation and FXS 
   support Flash Detection
STUN support for NAT traversal 
FXO answer Mode : FXO provides Ringing Answer, Connection Answer and Non
    Answer for configuration
VoIP Encryption: Encrypt peer to peer VOIP calls can avoid VoIP blocking of internet 
Telephony Specification
Voice Codec: G.711(A-law /μ-law), G.729 AB, G.723 (6.3 Kbps / 5.3Kbps)
FAX support : T.30 / T.38
Echo Cancellation: G.165/G168
FXS Tone Table Configuration: Support tone frequency and cadence configuration
FXO hang up detection / anti-seized : Busy Tone Learning Automatically / Manual
   Busy Tone Learning
Answer supervision: Support Battery Reverse Detection and Voice Detection
FXO answer delay time: Support delay 0 – 8000 ms to answer
Adjustable AC Termination Impedance : 600 / 900 OHM and complex Impedance
Failsafe Mechanism (FXS relay to FXO) : Power failed bypass support / Internet Failed
   bypass / Registered Failed bypass / Unconditional bypass
12K Hz and 16K Hz Pulse Metering (Customized)
Support MWI (Message Waiting Indicator) by SIP Notify
IP Specification
H.323 v2/v3/v4 and SIP (RFC 3261) , SDP (RFC 2327), Symmetric RTP, STUN
   (RFC3489), ENUM (RFC 2916), RTP Payload for DTMF Digits (RFC2833), Outbound
   Proxy Support
LAN :Support Virtual Server, DHCP Server
WAN: Support PPPoE client, DHCP client, Fix IP Address, DDNS client
Network Address Translation: Providing build-in NAT router function
Smart QoS: Guarantee the voice bandwidth
IP TOS (IP Precedence) / DiffServ
Call Features
Voice channels status display
Direct Dialing Mode : peer to peer call (support IP Address Call or Domain Name Call)
Register Call Mode : register to SIP Proxy Server or H.323 Gatekeeper
Adjustable volume : - 9 db ~ 9 db
Silence Compression / VAD
Auto Dial for speed
Dynamic Jitter Buffer
Hot-Line and Warm-Line Support
Configuration & Management
Web-based Graphical User Interface
RS232 for configuration
Remote management over the IP Network
FTP firmware upgrade
Backup and Restore Configuration file
Front LCD Panel for System Status and Management
Syslog client support
Auto-Provision
General Specification
Standard 50 pin RJ-21 Telco connectors
AC power : AC100V-240V, DC12V/1.5A,50/60 Hz
Temperature: 0°C ~ 40°C (Operation)
Humidity: up to 90% non-condensing
Emission: FCC Part 15 Class B, CE Mark
RoHS Compliant
Dimension : 440 x 250 x 45 mm
Weight: 5300g
Catalogue

 

ITG-SH2400

ITG-SH2412

ITG-SH2424

Ethernet Interface

1 WAN + 1 LAN

RS232 Console

1 RS232 console for configuration

LCD Panel

Front LCD Panel for System Status and Management

Telephony Interface

Standard 50-pin Telco connector

FXS/FXO

24 FXS

12FXS+12FXO

24 FXO

H.323 v2/v3/v4

ü

ü

ü

SIP(RFC3261)

ü

ü

ü

Smart-Qos

ü

ü

ü

NAT Traversal

ü

ü

ü

Echo Cancellation

ü

ü

ü

G.711 a /μlaw

G.723, G729AB

ü

ü

ü

T.38/T.30

ü

ü

ü

Application

 

Ordering Information

ITG-SH2400 : 24 Port SIP / H.323 VoIP Gateway (24*FXS)

ITG-SH2412 : 24 Port SIP / H.323 VoIP Gateway (12*FXO+12*FXS)

ITG-SH2424 : 24 Port SIP / H.323 VoIP Gateway (24*FXO)

 
*Above specification subject to change without prior notice*
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