The I-Gate 4000 SIP Gateway enables service providers to reduce the cost of supplying voice services to enterprise customers using legacy TDM PBXs by allowing them to access IP and SIP-based services. In addition, multi-site enterprises can use the I-Gate 4000 SIP Gateway to interconnect locations that are still using legacy TDM voice switches with other sites that have already been migrated to VoIP.
The I-Gate 4000 SIP Gateway can be deployed in a fully redundant configuration providing six-nines reliability and high availability. Its support for full system redundancy is without comparison, and lack of full redundancy means typically having to settle for availability below five-nines. High reliability is especially important because the I-Gate 4000 SIP Gateway is often placed at the customer premise, where access may be difficult and time-consuming.
Features
Benefits
Can be configured for six-nines reliability
Supports zero-downtime applications
Up to 16:1 compression with high voice quality
Includes industry-leading voice compression while maintaining toll quality
Supports a comprehensive set of digit handling, call routing and IP QoS features
Delivers a high degree of flexibility and optimized performance
GUI-based xMS management system
Allows easy configuration and management
Open architecture and standards compliance
Enables multi-vendor interoperability
Technical Specifications
Traffic Capacity
480 simultaneous calls max
Traffic Processing
Silence Suppression
G.711, App 2
G.729A, Annex B
G.729A, App 2 (G.711)
G.723.1, Annex A
Group 3 fax
ITU T T.38 fax relay or pass-through to G.711
V.27, V.29 and V.17 (up to 14.4 kbps)
VBD/Modem Support
Pass-through to G.711
V.22, V.23, V.32, V.34, V.90, and V.92
Operator configurable maximum number of VBD/modem calls (and transparent channels)
Echo Cancellation
ERL: 6 dB
ITU T G.168 and G.165 compliant
Up to 128 msec echo tail length
Dynamic echo cancellation controlled by signaling
Non-linear Processor (NLP) enable/disable
DTMF Support
In-band, DTMF relay (RFC 2833)
Out-of-Band, INFO method (RFC 2976)
Jitter Buffer
Adaptive
Up to 300 msec network jitter
Trunk Interfaces (PBX)
Up to 16 E1
Up to 20 T1
Packet Network Interface
Physical
Fast Ethernet (100BaseT)
TDM: E1 or T1
WAN Protocol
PPP
MLPPP
Signaling
RFC 3261
RFC 3264
RFC 4028
RFC 4566
Management
SNMP v2 (RFC 1907) for runtime configuration, status, alarm
FTP (RFC 959) for software and map download/upload
Power
Max dissipation 76W
DC Nominal -48/-60 V
DC Max/Min -75/-36 V
AC Nominal -220/110 V
AC Max/Min 90/265 V
Physical Specifications
Dimensions Height: 44.45 mm (1U) Width: 435 mm
Diameter: 350 mm
Weight 4 (kg)
Redundancy
Main module
Power supply and input
TDM bearer
Fan tray and turbo support
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