Ericsson: Ericsson's complete voice over LTE solution selected by SoftBank mobile

  Ericsson: Ericsson's complete voice over LTE solution selected by SoftBank

  *Ericsson is selected by SoftBank Mobile to supply and integrate its
    end-to-end mobile network solution for voice over LTE (VoLTE)

  *Ericsson's VoLTE solution will offer subscribers High Definition (HD)
    voice and video calling, and new enriched multimedia services

  *The Ericsson VoLTE infrastructure will serve as the basis for SoftBank's
    future network virtualization plans and Telecom Cloud introduction, and
    achieve more efficient spectrum utilization in the network

Ericsson (NASDAQ: ERIC) is selected by SoftBank Mobile Corp ("SoftBank
Mobile"), one of Japan's leading operators, to provide and integrate its
end-to-end network solution, Mobile Telephony Evolution with VoLTE.

Ericsson's VoLTE solution will deliver the most advanced communication
services for SoftBank Mobile to enhance consumer experience. With VoLTE as a
basis, consumers will be able to enjoy telecom-grade HD voice and video
calling alongside other telephony services, while using simultaneous LTE data
services on LTE smartphones. VoLTE introduction will also help SoftBank
utilize its valuable spectrum resources more efficiently.

Junichi Miyakawa, Executive Vice President, Director and CTO, SoftBank Mobile,
said: "With the rapid network evolution to LTE, SoftBank Mobile decided to
introduce VoLTE as the next generation communication technology for voice and
video calling over LTE. We hope to be able to deliver quality communication in
a fast and cost-efficient manner by utilizing Ericsson's VoLTE solution."

Ericsson is upgrading SoftBank Mobile's existing mobile core network (Ericsson
Mobile Softswitch Solution and Evolved Packet Core) with a complete IMS core,
which includes the Multimedia Telephony Application Server (MTAS). SoftBank
Mobile's best-in-class Ericsson-based LTE network is also being upgraded with
new VoLTE software.

The VoLTE infrastructure will enable additional new enriched communication
services, and will serve as the basis for SoftBank's future network
virtualization plans and Telecom Cloud introduction.

Until nationwide LTE coverage is deployed, seamless handover of ongoing voice
calls from LTE to WCDMA is needed to ensure uninterrupted voice services as
the user moves out of LTE coverage. Ericsson will also deploy this end-to-end
network handover functionality, SRVCC (Single Radio Voice Call Continuity).

Jan Signell, President and Representative Director of Ericsson Japan and Head
of Region North East Asia, said: "Ericsson's VoLTE offering provides a highly
capable end-to-end solution for SoftBank Mobile. With this new agreement we
will continue to strengthen our strategic partnership with SoftBank Mobile. By
leveraging on the Ericsson installed base in the mobile core and radio
network, and our ability to deliver complex Systems Integration projects,
SoftBank Mobile will benefit from a fast and cost efficient new service


Download high-resolution photos and broadcast-quality video at

Press backgrounder on VoLTE
About Ericsson's solution: Mobile Telephony Evolution with VoLTE

About SoftBank Group:

Related Ericsson and SoftBank Mobile press releases:
Allocation of 900MHz "Platinum Band" (March 1, 2012)
SoftBank Mobile deploys 900MHz Evolved HSPA network (March 22, 2012)
SoftBank Mobileand Ericsson demonstrate new LTE feature to improve cell-edge
data rate
(July 29, 2011)
Improved mobile data access for Japanese users (November 5, 2010)
Japan's SoftBank Mobile chooses Ericsson mobile broadband solution (August 2,

Ericsson is a world-leading provider of communications technology and
services. We are enabling the Networked Society with efficient real-time
solutions that allow us all to study, work and live our lives more freely, in
sustainable societies around the world.

Our offering comprises services, software and infrastructure within
Information and Communications Technology for telecom operators and other
industries. Today 40 percent of the world's mobile traffic goes through
Ericsson networks and we support customers' networks servicing more than 2.5
billion subscriptions.

We are more than 110,000 people working with customers in more than 180
countries. Founded in 1876, Ericsson is headquartered in Stockholm, Sweden. In
2012 the company's net sales were SEK 227.8 billion (USD 33.8 billion).
Ericsson is listed on NASDAQ OMX, Stockholm and NASDAQ, New York stock


Ericsson Corporate Communications
Phone: +46 10 719 69 92

Ericsson Investor Relations
Phone: +46 10719 00 00

Ericsson's complete VoLTE solution selected by SoftBank mobile


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information contained therein.

Source: Ericsson via Thomson Reuters ONE
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