Press release

14 May 2015

Imagination’s ClearCall™ VoIP application now available for Cavium’s OCTEON® III multi-core processors

Provides OEMs with highest quality for carrier/enterprise class voice over IP products using MIPS64-based OCTEON III processors

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London, UK – 14th May, 2015 – Imagination Technologies (IMG.L) today announced the availability of Imagination’s ClearCall VoIP application for Cavium’s popular OCTEON® III CN70XX/CN71XX families of multi-core MIPS64 processors. The integrated solution is designed to enable OEMs/ODMs and service providers to quickly bring superior quality VoIP phones and service provider gateways to residential, SMB and entry-level enterprise markets – markets where OCTEON III processors are already widely deployed.

Imagination’s ClearCall is a comprehensive software solution for high-quality voice and video over IP (VoIP and V.VoIP) media processing. With its unique, proven algorithms, ClearCall provides enhanced voice and video quality for consistent, superior user experiences across devices in both wired and wireless environments, and in varying network conditions. Imagination has deep expertise in developing media engines and related technologies, and its voice and video over IP clients have already been shipped in millions of devices worldwide.

Says Steve Klinger, senior director, Infrastructure Processor Group, Cavium Inc.: “Our OCTEON III CN70XX/CN71XX processors are being utilized across a broad range of broadband and control plane applications, including traditional applications such as routers, switches, UTM, enterprise APs as well as newer applications like IoT aggregation gateways and industrial control applications. Many of these applications can benefit from the availability of a high-quality multi-channel VoIP solution like Imagination’s ClearCall for Linux. Imagination is an important partner for Cavium, and we look forward to future collaborations that will bring great value to customers.”

Says Krishna Raghavan, vice president, VoIP business operations, Imagination: “We are delighted to work with Cavium to ensure our ClearCall VoIP solution works seamlessly on its MIPS-based OCTEON III processors. With MIPS, Cavium has created some of the industry’s highest performance and most advanced 64-bit multi-core processors for networking, wireless and storage. By integrating the ClearCall for Linux application with these powerful processors, we’re offering OEMs and service providers an ideal solution for creating products with the highest quality voice experiences.”

Imagination’s comprehensive multi-channel ClearCall VoIP application includes protocol stacks, SIP signaling, an optimized media-engine, voice pre-processing modules such as echo cancellation, telephony components such as DTMF, and an exhaustive list of call features such as three-way conferencing, call waiting, call transfer, call forwarding and more. It incorporates a number of features for better performance, functionality and overall user experience:

  • Widely interoperable with enterprise/carrier and cloud infrastructure and end-points with a fully featured signaling SIP stack and T.38 fax
  • Easy platform integration with network and audio interfaces (SLIC) through well-defined APIs and sample test wrappers that ease integration with call management software stacks
  • Multi-platform support for major processor architectures including the MIPS CPU architecture, as well as support for Android and Linux-based operating systems
  • Support for a comprehensive list of wideband and narrowband voice codecs as well as Line Echo Canceller, VAD/CNG, AJB and other telephony components

ClearCall can be combined with Imagination’s complementary FlowCloud device-to-cloud technology to create a complete, end-to-end voice and video solution supported by cloud infrastructure services.

ClearCall and FlowCloud are available as licensable solutions from Imagination. Contact


Demonstration at Imagination Summit Silicon Valley

Imagination will demonstrate the ClearCall for Linux application running on a Cavium OCTEON III reference design platform at the upcoming Imagination Summit Silicon Valley. The event will be held at the Hyatt Regency Santa Clara on Thursday, May 21st. Visit for more information.


About OCTEON III CN7XXX Multi-Core MIPS64 Processors

The OCTEON III CN7XXX family of Multi-Core MIPS64 Processors provides up to 120GHz of 64 bit processing and targets high-performance, high-throughput, service-rich applications for Cloud, Secure Datacenter, Wireless Infrastructure, Enterprise and Storage equipment. The family includes a range of software compatible processors, with up to 48 cnMIPS64 III cores, over 500 application acceleration engines including integrated high-performance search processing leveraged from Cavium’s NEURON® Search processors, chip-to-chip interconnect and an innovative real-time PowerMin™ power manager, providing the highest compute and services performance of any standard ISA processor.


About ClearCall Voice and Video over IP Solutions

Imagination’s ClearCall range of licensable IP includes comprehensive software applications delivering everything needed to implement high-quality, power-efficient enhanced WebRTC, Voice and Video over IP and LTE (V.VoIP, VoLTE), and Rich Communications Suite (RCS) for multi-mode wireless and wireline devices. ClearCall IP products and technologies are ‘carrier-grade’ cross-platform solutions, already deployed in millions of devices. Built on years of engineering experience to ensure that they are ready for the most extensive 3G, 4G and enterprise network deployments, the applications are available for Android, iPhone, Windows and Linux environments. ClearCall technology is also used together with Imagination’s FlowCloud device-to-cloud technology in Imagination’s innovative FlowTalk service.


About Imagination Technologies

Imagination is a global technology leader whose products touch the lives of billions of people across the globe. The company’s broad range of silicon IP (intellectual property) includes the key processing blocks needed to create the SoCs (Systems on Chips) that power all mobile, consumer and embedded electronics. Its unique software IP, infrastructure technologies and system solutions enable its customers to get to market quickly with complete and highly differentiated SoC platforms. Imagination’s licensees include many of the world’s leading semiconductor manufacturers, network operators and OEMs/ODMs who are creating some of the world’s most iconic products. See:

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Imagination Technologies and the Imagination Technologies logo are trademarks of Imagination Technologies Limited and/or its affiliated group companies in the United Kingdom and/or other countries. All other logos, products, trademarks and registered trademarks are the property of their respective owners.


Imagination Technologies’ Press Contacts:

UK: David Harold
+44 (0)1923 260 511

USA: Jen Bernier-Santarini
+1 408-530-5178

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United Kingdom
Tel: +44 (0)1923 260511
Tel: +44 (0)1923 260511
Tel: +44 (0)1923 260511


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