By Modular hardware design ITG-SH16XX/ITG-SH24XX series makes any combination of the telephone interface. The Linkpro ITG-SH16XX/ITG-SH24XX Series VoIP Gateway is fully SIP and /H.323 standard compliant high density gateway that provides a total solution for integrating voice-data network and PSTN. By modular installation, this revolutionary compact voice over IP (VoIP) gateway could be easily configured as 16/24 channels high density FXS/FXO VoIP Gateway which provides voice connectivity over the IP network and to the Public Switched Telephone Network (PSTN).
■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
■Support FXS Battery Revere Generation
■Support MWI (Message Waiting Indicator) by SIP Notify (Optional).
■FXO anti-seized mechanism : FXO provides busy tone auto-learning and manually configuration busy tone learning.
■Support IP TOS (IP Precedence) / DiffServ
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ITG-SH1600 : 16 Port SIP / H.323 VoIP Gateway (16*FXS)
ITG-SH1608 : 16 Port SIP / H.323 VoIP Gateway (8*FXO+8*FXS)
ITG-SH1616 : 16 Port SIP / H.323 VoIP Gateway (16*FXO)
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)
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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
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ITG-SH2400 |
ITG-SH2412 |
ITG-SH2424 |
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Ethernet Interface |
1 WAN + 1 LAN |
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RS232 Console |
1 RS232 console for configuration |
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LCD Panel |
Front LCD Panel for System Status and Management
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Telephony Interface |
Standard 50-pin Telco connector |
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FXS/FXO |
24
FXS |
12FXS+12FXO |
24
FXO |
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H.323 v2/v3/v4 |
ü |
ü |
ü |
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SIP(RFC3261) |
ü |
ü |
ü |
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Smart-Qos |
ü |
ü |
ü |
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NAT Traversal |
ü |
ü |
ü |
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Echo Cancellation |
ü |
ü |
ü |
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G.711 a /μlaw
G.723, G729AB |
ü |
ü |
ü |
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T.38/T.30 |
ü |
ü |
ü |
