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Lantiq and ZyXEL Enable Voice Over LTE Functionality on Award Winning Multi-Service Gateway

Fixed Wireless Broadband Carriers Can Now Offer Subscribers Native Voice Service

BARCELONA, SPAIN -- (Marketwire) -- 02/06/13 -- Lantiq and ZyXEL Communications, two leading producers of broadband access technology and service provider solutions, announced that ZyXEL's award winning LTE5121, the fixed LTE multi-service gateway, now supports Voice over LTE (VoLTE). Availability of VoLTE on a fixed LTE gateway platform allows carriers to consolidate their voice, video and data networks thereby improving network operations and reducing costs in delivering triple-play services to subscribers over wireless broadband.

The ZyXEL LTE5121 gateway was a CES 2013 Innovations Design and Engineering Honoree in the Home Networking Product category; recognized for its innovative design, engineering and cutting-edge features that address what consumers and the market are expecting from 4G/LTE technology. The LTE5121 Gateway is also the best platform for ZyXEL to enable upcoming VoLTE capability for household markets. With this gateway, carriers can provide the same high quality of voice, data and video triple-play services as wired broadband can serve today, but without requiring last-mile wired infrastructure like copper or fiber.

The widely deployed Lantiq XWAY™ GRX288 Broadband network processor that powers the LTE5121 gateway manages the VoLTE software stack, which provides native voice and other rich media services. Lantiq also provides the required voice-line service chip (XWAY™ SLIC110) needed to use standard phone terminals in a home or small business.


Stéphane Téral, Principal Analyst of Infonetics Research: "47% of the LTE operators we interviewed for a July 2012 study said they plan to offer a voice service over their LTE RAN within one year of launching LTE services. IMS remains the default VoLTE platform with circuit-switch fallback as a backup in areas where LTE is unavailable."

Wayne Hwang, Assistant Vice President of Wireless Strategy Business Unit for ZyXEL: "By incorporating the Lantiq network processor, the ZyXEL LTE5121 gateway is able to provide the processing bandwidth to support multiple advanced communications capabilities. This allows us to respond to market evolution quickly and deliver solutions that allow our customers to provide rich media and other premium services to their subscribers."

Dirk Wieberneit, Head of the Customer Premises Equipment Business Unit of Lantiq: "ZyXEL has long recognized that carriers have to support a wide range of subscriber services while achieving economies in the platforms they have to support. The LTE5121 is precisely the type of powerful, modular gateway carriers need to meet these dual requirements. Our highly integrated GRX288 network processor helps ZyXEL to address these challenging market requirements."

Find these and other innovations from ZyXEL, at booth 5B60, Hall 5 at the Mobile World Congress, 25-28 February, 2013, in Barcelona.

More Information on the Lantiq GRX288 Network Processor and the SLIC110 chipset is available at

For product details of LTE5121 Gateway, please visit LTE Solutions on ZyXEL website

About ZyXEL Communications
ZyXEL Communications Corp., founded in 1989, is the world-class networking company providing IP-architected wireline and wireless Internet solutions. ZyXEL is one of the few companies in the world capable of offering complete broadband networking solutions for Telcos, Small-Medium sized businesses, and digital home users for a wide range of deployment scenarios. Telco solutions include Central Office Equipments, Customer Premises Equipments, 4G Mobile Broadband devices, and Carrier Switches. SMB and Enterprise solutions include network management and security solutions, LAN Switches, and WLAN solutions. Digital Home solutions include Network Connectivity Devices and cloud-enabled Multimedia Solutions.

About Lantiq
Lantiq offers a broad and innovative semiconductor product portfolio for next-generation networks and the digital home. Information about Lantiq is available on our Website at: or via Twitter @Lantiq

Press Contact:

ZyXEL Communications
Grace Chen
Email: Email Contact

Lantiq Media Relations
Christoph Schierstaedt
Email: Email Contact

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