Dialogic® I Gate® 4000 Media Gateways

I-Gate 4000 EDGE

Dialogic® I Gate® 4000 Media Gateways are designed for telecom operators seeking a competitive advantage by moving to an operationally efficient and service-centric IP network. I-Gate 4000 Media Gateways deliver fixed-line toll-quality voice in a compact footprint to satisfy Voice-over-IP (VoIP) and Voice-over-TDM telephony requirements in low- and medium-scale port densities.

The I-Gate 4000 Media Gateways are:

  • Dialogic® I-Gate® 4000 EDGE Media Gateway -- for low-to-medium port density
  • Dialogic® I-Gate® 4000 PRO Media Gateway -- for medium-to-high port density

I-Gate 4000 Media Gateways leverage sophisticated DSP technology, and have set a benchmark for voice quality in TDM and IP telephony, while preserving end-to-end service transparency for voice, fax, modem, and video calls. By combining high-quality bandwidth optimization, reliability, and scalability with open standards-based interfaces, the I-Gate 4000 Media Gateways can enable powerful operational and capital expense saving solutions for both incumbent and alternative service providers.

Documentation

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Features

Benefits

Proven bandwidth optimization technology for circuit-switched networks extended to  VoIP networks

Delivers packet voice quality that equals established PSTN standards

Field-proven voice processing technology and advanced codec implementations, coupled with a rich set of bandwidth optimization and voice quality protection techniques

Enables carriers to realize bandwidth savings of up to 16:1

Bandwidth-efficient and reliable transport of CCS for SS7, PRI, and QSIG and CAS, despite network impairments

Delivers bandwidth savings, full signaling robustness, and a high CCR along with enabling cost-effective network topologies based on the optimal location of signaling gateways at a small number of strategic sites

Highly efficient signal detection and processing techniques

Provides unrivaled voice, fax, modem, and video call completion rates with exceptional quality, allowing an operator to curtail expenses while capturing billable minutes

99.99995% (six 9s) availability

Provides high reliability

Combines high-quality bandwidth optimization, reliability, and scalability with open standards-based interfaces

Enables a powerful operational and capital expense saving solution

Supports wide range of transmission infrastructure

Can be used in terrestrial, radiolink, and satellite installations

Technical Specifications
Technical Specifications for Both Dialogic® I-Gate® 4000 EDGE Media Gateway and Dialogic® I-Gate® 4000 PRO Media Gateway
Operation Mode
  • Softswitch-controlled mode (MGCP v1.0, H.248/Megaco)
  • Standalone static trunking (without softswitch)
Traffic Processing
  • Signal Detection and Classification (Voice, Fax, VBD, Video, DTMF, signaling)
  • Silence Suppression (Voice Activity Detection and Comfort Noise Injection)
  • Router-agnostic and bandwidth-efficient RTP Multiplexing mechanism
  • Bandwidth-efficient signaling transmission mechanism (SS7, PRI, CAS)
Voice Codecs
  • G.711 PCM @64 kbps A-law/µ-law
  • G.729A(+B) CS-ACELP @8 kbps
  • G.723.1 ACELP /MPMLQ @5.3, 6.3 kbps
  • EFR @12.2 kbps
Echo Cancellation
  • ITU G.168 and G.165 compliant
  • Up to 128 msec echo tail length
  • Dynamic EC enabling
Fax
  • Group 3 fax calls
  • V.27, V.29 and V.17 (up to 14.4 kbps)
  • ITU T.38 fax relay or passthrough mode
  • V.34 fax (V.Fax) - Passthrough mode
Voice Band Data (Modem)
  • V.22, V.23, V.32, V.34, V.90 and V.92 modems
  • Passthrough mode
DTMF

  • DTMF tones transfer according to RFC 2833 and MGCP/H.248 –DTMF package support

Network Jitter Compensation
  • Adaptive jitter buffer up to 300 msec
Clear Channel
  • 64 kbps (G.711), VAD OFF, EC OFF
  • RFC4040 Clear Mode
Signaling
  • Bandwidth-efficient and robust signaling transport over IP
  • ISDN support: ISDN-PRI though IUA SIGTRAN Protocol (RFC3057)
  • M3UA
Embedded Cross-Connection
  • Any-DS0 to any-DS0
  • Operator-configurable
Security
  • Embedded firewall
  • Access list
  • IP Sec protocol (RFC2401)
Quality of Service
  • Smart end-to-end compression quality protection
  • QoS protection control mechanism - Operator-configurable threshold
  • DiffServ (TOS field)
  • ITU Q.50 Interface protocol
TDM Interfaces
  • E1 complying with ITU G.703 and G.704
  • T1 complying with ITU G.703 and G.704
IP Protocols
  • IPv4
  • RTP (RFC3550)
  • RTCP (RFC3551)
  • SNMPv2 (RFC1907)
  • FTP (RFC959)
  • SNTP (RFC2030 v4)
  • IP (RFC791)
  • UDP (RFC768)
  • IKE (RFC2409)
  • ESP (RFC2406)ISA KMP (RFC2407, 2408)
Redundancy
  • Softswitch redundancy support
  • Fan redundancy and turbo mode
Reliability
  • 99.99995% (six 9s)
  • Hot module swapping
  • Hitless SW upgrade
  • Runtime configuration
Power 
DC power input
  • -48 VDC / -60 VDC (nominal)
Internal Clock Accuracy
  • 4.7 ppm (Stratum 3)
Electro-Magnetic Compatibility 
Europe
  • EN300 386 V1.3.2 (2003-05)
  • Emission - EN55022
  • Immunity -EN61000-4-2,3,4,5,6,11
North America
  •  FCC rules CFR 47 part 15
Canada
  •  ICES-003
 Japan
  •  VCCI V-3/2001.04
 Australia/NZ
  •  CISPR 22:04
 Product Safety
  • UL60950.1:2003 (US) (selected models)
  • CAN/CSA-C22.2 No.60950-1-03 for Canada (selected models)
  • CE EN60950-1:2001
  • CB-Safety: IEC 60950-1:2001 (selected models)
Approvals, Compliance, and Warranty 
Hazardous substances
Country-specific approvals
  • Contact your local Dialogic sales representative
Warranty
  • Contact your local Dialogic sales representative
Additional Technical Specifications for Dialogic® I-Gate® 4000 EDGE Media Gateway  
 Total Capacity
  • Up to 496 simultaneous calls (any codec or combination of codecs)
 Signaling
  • CAS-R1 (static trunking)
  • CAS-R2
  • CAS-R1.5 (switched)
QoS Management
  • Multiple queues
  • IP packet classification and marking
  • Multiple congestion avoidance mechanisms
  • Scheduling and shaping
  • Policing
Ethernet Interfaces
  • 100BaseT (Fast Ethernet)
  • VLAN Tag - IEEE 802.1q
Redundancy 
Main module
  • 1:1 redundancy
Power input
  •  1:1 redundancy
Power supply
IP link
TDM Bearer
  •  1:1 redundancy
Power 
AC power input  240 VAC / 100 VAC (nominal)
Max. DC power consumption  80 Watts
Max. AC power consumption  105 Watts
Additional Technical Specifications for Dialogic® I-Gate® 4000 PRO Media Gateway  
Total Capacity
  • Up to 13,392 simultaneous G.729A and/or G.723.1 and/or EFR calls
  • Up to 16,800 simultaneous G.711 calls
Signaling
  • CAS-R1 (DS3 or OC3, MGCP package)
  • CAS-R2 (CAS tunneling, static trunking)
DSP Pooling Functionality
  • Ability to oversubscribe to maximize system utilization for low-Erlang deployments
Border Gateway Capability
  • Support IETF MIDCON model
  • IMS architecture-compliant
Transcoding Capability
  • Voice
  • Fax
  • DTMF
Ethernet Interfaces
  • Gigabit Ethernet - optical and electrical interfaces
  • 100BaseT
  • VLAN Tag - IEEE 802.1q
TDM Interfaces
  • DS3 complying with ANSI T1.102 and T1.107
  • STM-1/OC3 (optical and electrical) complying with ITU G.703, G.707, G.813, G.825, G.783, G.957, and GR-253
IP Routing Protocols
  •  IS-IS (RFC1195)
Redundancy 
E1/DS1 TDM Interface cards
  • 1:N redundancy
DS-3 TDM Interface cards                     
  • 1:N redundancy

OC-3 / STM-1, SONET/SDH Interface card

  •  1:1 redundancy
DSP cards
  •  1:N redundancy
CPU, TDM-switch fabric, and Layer 2/3-switch fabric card
  •  1:1 redundancy
Power Feed
  •  1:1 redundancy
Clock
  •  1:1 redundancy
100BaseT and 1 Gigabit Ethernet ports
  •  1:1 link redundancy
OC-3/STM-1 SONET/SDH
  •  1:1 link redundancy
Power 
Max. DC power consumption
  • 795 Watts
Environmental Standards
  • ETSI - ETS 300 019
  • Telcordia - GR-63 (selected sections)
  • EU Directive 2002/95/EC (Restriction of Hazardous Substances - RoHS)
  • EU Directive 2002/96/EC (Waste Electrical and Electronic Equipment - WEEE)
Operating Temperature Range
  • -5°C to 50°C
Dimensions 
Height
  •  25 in. max (635 mm)
Width
  •  17.44 in. (444 mm)
Weight
  •  10.82 in. (274 mm)
Weight
  •  30 kg (fully populated)

Application Notes

  • Bandwidth Optimization Solutions: Squeezing Satellite Link Costs while Providing High-Quality Services
    This application note briefly discusses typical applications that can stand to benefit from bandwidth optimization systems that use I-Gate 4000 products, including 3G mobile core network systems, VoIP media gateway networking, 2G and 3G mobile backhaul network systems, 2G and PSTN TDM switches, signaling gateway/STP systems, and backup network applications.
  • Bandwidth Optimization Solutions: Building Cost-Effective Backup Protection Networks
    This application note explains how the Dialogic® I-Gate® 4000 PRO Media Gateway and Dialogic® I-Gate® 4000 EDGE Media Gateway can enable carriers and service providers to build cost-effective and highly reliable backup solutions for their transmission networks, allowing significant CAPEX and OPEX savings and short implementation cycles.
  • Building Optimal NGN Expansion Using Leading Second-Source Media Gateways

    For an advanced technology, cost-effective, and reliable second-source VoIP trunking media gateway solution, service providers can look to the interoperable, field-proven Dialogic® I-Gate® 4000 Media Gateways product line. The benefits of these products for service operators include highly reliable, cost-effective and scalable platforms, exceptional voice quality and bandwidth savings, high quality fax over IP services, and in-house DSP technologies.

Brochure

  • Dialogic and Efficient Network Infrastructures
    Dialogic has field-proven products and solutions to enable customers to extract the most from current networks while also supporting the delivery of new revenue-generating services. From switching to transport to service creation, Dialogic supplies technology to create, manage, control, and optimize voice, video, and data sessions simultaneously.

Data Sheet

  • Dialogic® I-Gate® 4000 Media Gateways
    I-Gate 4000 Media Gateways deliver fixed-line toll-quality voice in a compact footprint to satisfy Voice-over-IP (VoIP) and Voice-over-TDM telephony requirements in low- and medium-scale port densities. The I-Gate 4000 Media Gateways are the Dialogic® I-Gate® 4000 EDGE Media Gateway(low-to-medium port density) and the Dialogic® I-Gate® 4000 PRO Media Gateway (medium-to-high port density).

White Paper

  • Interconnecting Networks with Dialogic's Global Multimedia Exchange Platform
    This white paper presents a brief introduction to network interconnect, GSMA IP packet exchange, and IPX features such as IPX proxies and services. It also focuses on Dialogic® products that work together to enable IPX services, and for convenience are collectively referred to in this white paper as the Global Multimedia Exchange (GMX) platform.

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