IP Trunk Unit - G2- ITU 4/8/16
The G2-ITU (IP Trunk Unit) is an in skin interface card that installs inside the TDS cabinet and provides connectivity for up to 4, 8 and 16 SIP based trunk circuits.

The IP trunk unit is ideal for connecting multipe offices together in a network which offers station to station dialing as well as toll bypass.

Of course connectivity to an IP carrier for additional monthly toll saving is possible as well.

There are 3 variants of the ITU card respectively depending on the number of IP trunking channels desired.
Other products in this category: 


G2-ITU44 Channels
G2-ITU88 Channels
G2-ITU1616 Channels
IP Phone Book Translations20 Sets
Codec SupportG.711a, G.711u, G.723, G.729
Audio QualityVAD, CNG, PLS, AJB
Echo CancellationG.168
Gain Control Input / Output+/- 14db
DTMF Signaling - In Band SIP-InfoRFC 3261
DTMF Payload96/100
Communications ProtocolSIP RFC-3261
Real Time Transport Control ProtocolRFC 3550, 3551, 2198


IP Address Phone Book Translations
Direct Inward Dialing
Multi Subscriber Number (MSN)
Least Cost Routing (LCR)
Networking Multiple Systems
Auto Detect & Adjust Fax Signal (T.38)
Caller ID Support - Name & Number
Peer to Peer support in NAT Environment
Toll Restriction & Call Control
Day & Night Service
Direct In Line
CO Line Ringing Assignment
......much more!