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Service Provider RTC Security


Service providers manage billions of SIP-based real-time communication (RTC) minutes on their networks at peering points with other operators and deep within their RTC networks. Sonus' session border controllers (SBCs) are used at these edge network points to perform important call management and transcoding functions as well as protect the network from threats such as Denial of Service (DOS) attacks.

However, the challenge becomes how to further secure SIP-based traffic and mitigate bad actor infiltration and rogue endpoints generating DOS attacks, robo-calls, Telephone DOS (TDoS) attacks, network incursions using SIP or having an endpoint device register to a fake application server.

To completely protect the RTC network starts with a deep understanding of attack vectors targeting SIP. Sonus Networks, a leader in SIP security and session border controller technologies has the solutions capable of identifying the specific threats targeting SIP traffic in RTC networks.

Sonus Securing RTC Benefits:

  • UC Network Security: Complete security for signaling and media, including traffic policing, Denial of Service (DoS) and Distributed Denial of Service (DDoS) attack detection and blocking, and rogue Real-Time Transport Protocol (RTP) protection.
  • Privacy and Compliance: Ensure privacy on the media (SRTP) and signaling (IPSec/TLS) path without sacrificing scalability.
  • Protecting Assets: By invoking “Back-to-back user agent (B2BUA) functionality the SBC can hide the enterprises underlying network from bad actors attempting to infiltrate and steal mission critical data over the UC infrastructure.
  • Redundant Architecture: In the event of an equipment failure, physical attack, or persistent DoS/ DDoS attack, a strong redundancy strategy will maintain service. Additionally, a disaster recovery plan with redundant sites should also be considered to maintain continuous service availability.

Sonus SBCs serve a critical role in securing RTC. By integrating Sonus SBCs into the network, these powerful devices protect, secure, simplify and standardize real-time, SIP-based multimedia communications – including voice over IP (VoIP) and video – enabling customers’ UC vision to become a reality.

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