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IP Trunk: G1E-ITU

The G1E-ITU is a Trunk Interface Unit designed to be installed in the G1E+ or G1E+M Converged IP-PBX Series.
It enables networking capability between systems over a SIP Based VoIP infrastructure, allowing direct station to station dialing, enhanced call routing and avoidance of costly toll charges.

The G1E- ITU also can be used as a replacement for traditional telephone lines, offering additional features and significant cost savings on monthly telephone bills.

Specifications

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Model	VoIP Channel	Applicable System
G1E-ITU4	4	G1E+, G1E+M
G1E-ITU8	8	G1E+, G1E+M
G1E-ITU16	16	G1E+M only

Note: One G1E-ITU per cabinet for both G1E+ & G1E+M G1E+ supports ITU4 or ITU8 only G1E+M supports ITU4, ITU8 or ITU16

VoIP
• Codec: G.711A, G.711u, G.723, G.729
• Audio quality:
VAD ( Voice Activity Detection )
CNG ( Comfort Noise Generation )
PLC ( Packet Loss Concealment )
AJB ( Adaptive Jitter Buffer )
• Echo cancellation: G.168
• Gain Control: Input / Output: +/- 14db
• DTMF signal: In-Band, SIP-Info, RFC 2833
• DTMF payload: 96/101
• Communications protocol: SIP RFC-3261
• Support the features of the Outbound Proxy Server.
• Support IP address or Domain name setup.
• RTP/RTCP ( Real-Time Transport Control Protocol )
RFC 3550, RFC 3551, RFC 2198
• Network Management Features
Web browsing setting: HTTP
Password-protected
Support Static, DHCP, and PPPoE IP address assignments
Software update: TFTP
Support backup and restoration of the config file.
Event Log File: TFTP
• QoS (Quality of Service): RTP(TOS/Diffserv),
UDP(TOS/Diffserv)
• Phone book: 20 sets of telephone numbers and their respective
IP addresses.
＊ Specifications are subject to change without prior notice.

System Type	VoIP Channel		Cabinet Configuration
System Type	Min.	Max.	Cabinet Configuration
G1E+	4 or 8	8	One cabinet
G1E+M (1)	4, 8 or 16	16	One cabinet
G1E+M (2)	4, 8 or 16	32	Two cabinet
G1E+M (3)	4, 8 or 16	48	Three cabinet
G1E+M (4)	4, 8 or 16	64	Four cabinet

Features

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▇ ITU
• Each VoIP channel can be configured to connect to other VoIP devices in peer-to-peer mode or via a SIP server or service
provider.

• Each VoIP channel can be assigned to use a different SIP server or service provider. There are 4 sets of server details on each ITUcard configurable for primary and secondary values of both Proxy server and SIP server.

• Incoming Trunk Hunt group capability

• Caller ID message: Telephone Number and Name

• Supports peer-to-peer VoIP communication under NAT environment.

• 20 sets of Telephone Number to IP Address Conversions for peer-to-peer connections.

• ITUs can be integrated together by registering with one another to provide station to station dialing on inter-system connections.

• Auto-detect and auto-adjust fax signal for the T.38 relay standard.

▇ G1E+ / G1E+M System Features
• DID (Direct Inward Dialing)

• MSN (Multi-Subscriber Number)

• LCR (Least Cost Routing)

• All existing standard outside line features in G1E+ and G1E+M are included, such as Incoming Call, Outgoing Call, Day &
Night Service, DISA (Direct Inward System Access), Toll Control, Call Accounting (with SMDR), CO Line Ringing, Automatic Transfer, Line Group Assignment, etc.