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Calltrade Carrier Services Interconnects with Sonus Session Border Controllers

Sonus Networks, Inc. (Nasdaq: SONS), a global leader in SIP communications, today announced that Switzerland-based competitive operator Calltrade Carrier Services AG is using the Sonus SBC 5000 Series of Session Border Controllers as part of its wholesale voice over Internet Protocol (VoIP) service. The Sonus SBCs are being deployed at Calltrade interconnect borders – demarcation points where two networks meet – to secure the network borders as well as monitor and enforce service levels.

As an international communications provider, Calltrade terminates more than 15 billion minutes of voice traffic per year for fixed-line providers, mobile phone companies and cable companies worldwide. Calltrade is networked with more than 150 telecommunications carriers across the globe, including nearly all of the world’s leading international carriers. To support Calltrade’s global footprint, the Sonus SBC 5200 Series delivers advanced media services and protocol interworking to ensure seamless interoperability with other service providers.

The SBC 5200 Series supports up to 64,000 sessions on a single server and provides advanced routing and integrated transcoding capability. As the number and variety of devices connecting to the network increase, the SBC 5200 Series acts as a VoIP translator in the Calltrade network, ensuring that two devices with different codecs communicate properly. In addition, the Sonus SBCs enable high quality of service levels by adjusting bandwidth as voice, video and data cross the Calltrade network to ensure calls or sessions are completed without performance issues. Ensuring interoperability with other services, devices and endpoints on the network helps Calltrade increase revenues by offering interconnect, transcoding and advanced routing services to customers and partners worldwide.


“Terminating more than 15 billion minutes of traffic per year requires a Session Border Controller that can scale on-demand as our business continues to grow, without compromising performance. Calltrade selected the Sonus SBC 5200 Series because of its inherent strengths in supporting VoIP and SIP communications with high levels of security, media switching and transcoding services in a single, scalable device. Sonus SBCs provide exceptional transcoding functionality that no other SBC vendor is able to deliver,” said Daniel Groth, president and chief executive officer, Calltrade Carrier Services AG.

“As the demand for network-to-network IP interconnection continues to expand, so does the critical role of Session Border Controllers in service provider networks, and we are proud to be a strategic part of Calltrade’s network,” said Serge Adam, vice president of EMEA, Sonus. “Sonus SBCs are designed for service providers seeking new revenue streams by transforming their network capabilities while ensuring exceptional levels of security and performance.”

Other Facts:

  • The Sonus SBC 5000 Series of Session Border Controllers is headlined by the Sonus SBC 5110 Session Border Controller for deployments requiring up to 10,000 concurrent sessions as well as the SBC 5210 Session Border Controller which scales up to 64,000 concurrent sessions.
  • For two consecutive years, Sonus has been positioned in the Leaders quadrant of the "Magic Quadrant for Session Border Controllers" and was the largest gainer in the report published on October 21, 2013 by Gartner, Inc.
  • Sonus was named to the 2013 InformationWeek 500 List of Top Technology Innovators in the U.S. for a second consecutive year. Sonus received the award in recognition of its 2013 companywide Unified Communications (UC) deployment, featuring Microsoft Lync Enterprise Voice and Sonus SBCs.

Additional Resources:

  • Click here to download electronic copies of Sonus’ educational guides, published in partnership with John Wiley and Sons, Inc.; publisher of the world’s best-selling For Dummies® reference series: Lync Enterprise Voice for Dummies, SIP Trunking for Dummies, Session Border Controllers for Dummies and WebRTC for Dummies.
  • Download a copy of the CIO Magazine Playbook, “Three Steps to Maximizing ROI for Microsoft Lync Enterprise Voice.


Sonus, SONS, Calltrade Carrier Services, SBC, SIP, SIP trunking, media transcoding, SBC 5200, SBC 5210, interconnect, UC, VoIP, security

About Sonus:

Sonus Networks, Inc. is a leader in IP networking with proven expertise in delivering secure, reliable and scalable next-generation infrastructure and subscriber solutions. With customers in over 50 countries across the globe and over a decade of experience in transforming networks to IP, Sonus has enabled service providers and enterprises to capture and retain users and generate significant ROI. Sonus products include session border controllers, policy/routing servers, subscriber feature servers and media and signaling gateways. Sonus products are supported by a global services team with experience in design, deployment and maintenance of some of the world's largest and most complex IP networks. For more information, visit www.sonus.net.

About Calltrade:

Calltrade Carrier Service AG is a leading provider of international telecommunications services, founded and based both in Zurich and Altendorf, Switzerland. Calltrade’s customer base is comprised of fixed-line providers, mobile phone companies and cable companies on all five continents. Almost all of the 20 main international carriers rely Calltrade’s services. Calltrade carries daily between 30 to 50 million minutes and declared yearly revenue of more than € 500 Million for the business year ending in May 2013. For more information, visit www.calltrade.ch.

Important Information Regarding Forward-Looking Statements:

The information in this release may contain certain forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995 regarding future events that involve risks and uncertainties. Although Sonus believes that its expectations are based on reasonable assumptions, readers are cautioned that these forward-looking statements are only predictions and are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict. All statements other than statements of historical facts contained in this report are forward-looking statements. Our actual results may differ materially from those contemplated by the forward-looking statements. For further information regarding risks and uncertainties associated with Sonus' business, please refer to the "Management's Discussion and Analysis of Financial Condition and Results of Operations" and "Risk Factors" sections of Sonus' filings with the Securities and Exchange Commission. Any forward-looking statements represent Sonus' views only as of the date on which such statement is made, and should not be relied upon as representing Sonus' views as of any subsequent date. While Sonus may elect to update forward-looking statements at some point, Sonus specifically disclaims any obligation to do so, except as required by law.

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