G5 Line Access Gateway

The G5 is custom-designed to enable legacy switch replacement

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G5 Line Access Gateway

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Yankee Group on Network Transformation

G5 Line Access Gateway

Today, approximately 40,000 TDM switches are still in operation globally, many beyond their designed lives. These aging systems pose serious customer outage, and financial risk to operators, and they are not capable of providing new, advanced IP services nor are they linked to mobile and broadband. GENBAND’s innovative G5 Line Access Gateway resolves these switch risks and enables revenue growth by linking TDM customers to mobile, broadband, and SIP-based and IMS services.

G5 Line Access Gateway

Part of GENBAND’s Media Gateway product line, the G5 Line Access Gateway is custom-designed to enable legacy switch replacement. It provides standard access interfaces for terminating copper pair in a very dense, green technology footprint. Pairs are simply rehomed from the old TDM switch line frames or peripherals to G5 line cards.  Operators can connect lines on G5 gateways to GENBAND’s C20 Call Session Controller or other IMS-based call control, enabling a graceful shutdown of the switch.  Connected lines now become simply another means of accessing the SIP services cloud and mobility.

A single G5 shelf supports up to 768 TDM lines and 2,304 subscribers per 3-chassis frame. Even large offices of 20,000 lines requiring over 5,000 square feet of floor space can be reduced to a few simple frames of space. The line card drives full loop lengths (1,930 ohm) with carrier class availability and resilience including ESA, and can be deployed in a Central Office frame line-up or in a temperature-hardened outside plant cabinet.


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line access gateway

Line Gateway Benefits:

  • Links end customers served by legacy lines to the revenue-generating SIP services cloud, IMS, and mobility
  • Replaces TDM switch line frames while leveraging existing copper facilities
  • Economical alternative to expensive FTTx upgrades
  • Combined with G9 or G6 gateways, enables full TDM switch line and trunk replacement
  • Connects to Call Session Controllers like GENBAND's C20 and other IMS-based controllers
  • Preserves premises-based analog loops in the enterprise while enabling a new IP-centric services environment 
  • Carrier grade, high density analog line termination supports long loop lengths and ESA
  • Substantially reduces power, floor space, and maintenance costs


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