Press release

25 October 2011

Imagination launches HelloSoft 4G VoLTE platform and SDK

4G World, Chicago, USA: Imagination
Technologies, a leading multimedia and communications technologies
company, is launching its HelloSoft 4G VoLTE solution for smartphones, tablets, and mobile computing devices
at 4G World 2011 in Chicago (24-27 October, stand 1430).

Imagination’s HelloSoft V.VoIP (voice and video over IP) SDK’s enable
the most comprehensive multiplatform mobile device solutions in the world for
delivering the full range of two-way real time communications including Voice over LTE (VoLTE), Voice Call Continuity
(VCC) Video and Voice over IP (V.VoIP) and SMS over IP.

Imagination’s VoLTE solution is fully standards compliant
with 3GPP Voice over LTE and IR-92 specifications, and incorporates award
winning multiplatform HelloSoft VoIP technology featuring AEC (Acoustic Echo
Cancellation) and NC (Noise Cancellation) to produce superior voice quality on
4G mobile devices.

Says Tony King-Smith, VP marketing, Imagination: “VoLTE is the future of
cellular voice communications and is beginning deployment now. It’s exciting to
see VoLTE open up a wide range of new use cases and capabilities for voice-based
communications, evolving voice from basic audio telephony into a highly integrated
capability permeating all aspects of smartphone functionality. We are excited
by the prospects for Imagination’s technologies being at the forefront of this

The HelloSoft V.VoIP SDK and VoLTE solutions are ideal for mobile device
developers, OEMs and carriers.  The
products offer developers, OEMs and carriers outstanding voice quality over 4G
LTE networks, and at the same time provide a path to rapid development of
innovative next generation voice enabled applications.

Says Allan Johnson, general manager, HelloSoft V.VoIP at Imagination
Technologies:  “Carrier network interoperability can be very complex and
achieving outstanding voice quality is difficult across varied network
conditions. Furthermore, achieving highly reliable performance on a diverse
range of mobile device chipset architectures is challenging. To solve this, we
created easy to use APIs that are portable across Android, iOS, Linux and
Windows operating systems for essentially ‘write once, run anywhere’ code while
at the same time providing SDK implementations that are highly optimized across
processor and modem architectures. Imagination’s HelloSoft V.VoIP SDKs and
VoLTE solution are simply the most comprehensive high performance multiplatform
solutions on the market for voice and video over IP on 4G mobile devices.”

Imagination’s HelloSoft voice and video over IP products also include
field proven Dual Radio Voice Call Continuity (DR-VCC)
technology with capability to support Single Radio VCC. Combined with the HelloSoft
VoLTE solution, HelloSoft VCC enables seamless handoff of VoIP and circuit
switched calls across 4G/3G/2G networks and also between multiple IP networks
such as LTE, WiFi and WiMAX.

Imagination’s HelloSoft V.VoIP solution is also available
as a complete turn-key client.

About HelloSoft V.VoIP

Imagination’s HelloSoft range of
licensable IP includes comprehensive platforms for high quality,
power-efficient VoLTE, VoIP, Video over IP and rich communications for
multi-mode wireless and wireline devices.

HelloSoft technologies are
‘carrier-grade’ and deployed in millions of devices,  built on years of engineering experience to
ensure that they are ready for the most extensive of commercial network
deployments, and are available for Android, iPhone, Windows and Linux platforms.

About Imagination Technologies
Imagination Technologies Group plc (LSE:IMG)
– a global leader in multimedia and communication technologies – creates and
licenses market-leading multimedia IP cores for graphics, video, and display
processing, multi-threaded embedded processing/DSP cores and multi-standard
communications and connectivity processors. These silicon intellectual property
(IP) solutions for systems-on-chip (SoC) are complemented by platform level IP
and services, a strong array of software tools and drivers and extensive
developer and middleware ecosystems. Target markets includemobile
phone, handheld multimedia, home consumer entertainment, mobile and low-power
computing, and in-car electronics.Its licensees include many of the
leading semiconductor and consumer electronics companies. Imagination has
corporate headquarters in the United Kingdom and US headquarters in Sunnyvale,
California, with sales and R&D offices worldwide. See:

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