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Protect your VoIP Network using Cubro Network Packet Broker

11-19-2018 01:15 PM CET | Business, Economy, Finances, Banking & Insurance

Press release from: Cubro Network Visibility

Typical Application Scenario

Typical Application Scenario

Cubro EXA40(D) & EXA24160A are the next generation network packet brokers (NPBs) supporting higher layer functionality based on sessions. Enterprise customers have to deal with issues related to service disruption, subscriber impersonation and toll fraud. Resolving disputes and restoring service to employees who are victims of such attacks sap resources and adversely affect productivity. Network visibility can help enterprises to sift through the traffic and detect these threats. Deep visibility into content in real time can help enterprises to prevent such intrusions.

The two major protocols behind VoIP are:
• SIP - Session Initiation Protocol
• RTP - Real-Time Protocol

SIP is the signalling part of VoIP, responsible for call setup. Usually, SIP runs on port 5060. Every Cubro Packetmaster can be used as layer 4 Port filter to filter out SIP traffic. RTP is the user-plane which is usually speech. RTP is characterised as UDP service running on layer 4 Port numbers that have been agreed during call setup using SIP. In order to allow for full call correlation, SIP messages need to be analysed in real-time, and the relevant RTP of a call needs to be determined.

EXA40(D) and EXA24160 can handle up to 100,000 rules in parallel - filtering up to 100,000 users at the same time.
Correlation Performance
• EXA40 – 20Gbps
• EXA40D – 40Gbps
• EXA24160 – 100Gbps

Delivering flawless VoIP call quality requires complete visibility to the traffic in real time. Using Cubro devices, you can release your existing monitoring tools from traffic that is not needed. The Cubro devices capture/ analyse only the relevant data, and this lowers the cost of monitoring tools. Cubro devices have 10G and 40G connectivity which implies that you can stay with existing 1G tools for traffic analysis. These advanced products can be combined with any other Cubro network visibility solution to cover all monitoring aspects of full network infrastructure. With Cubro solutions, you spend less time and money in troubleshooting VoIP related issues and instead utilize time to focus on your core business.

Careful monitoring requires complete visibility into your network traffic, and this is where Cubro Network Visibility can help. Using Cubro’s comprehensive lineup of high-quality network TAPs (Test Access Points), an organisation will have unfettered access to all the traffic on its network. Cubro's Network Packet Brokers can gather this data for aggregation, replication, and filtering of traffic to monitoring systems and security tools; and that includes the ability to isolate and inspect DNS traffic.

Cubro network visibility products offer reliable and scalable solutions through applications like smart filtering based on higher layer - up to application layer (L7), monitoring, load balancing, aggregation, and metadata extraction which result in improved operational efficiency and network performance. We are a leading vendor of Network TAPs, Network Packet Brokers and Network Probes with installations in some of the major telecommunications and enterprises. The company is privately owned and has had 100 per cent organic growth. Our head office is located in Austria with regional offices in APAC, Japan and North America. For more information, please check our website or contact us at

Cubro Network Visibility (Cubro Acronet GmbH)
Ghegastrasse 3/ 2 Floor
1030 Vienna, Austria
Contact: Tamanna Bhatia, Marketing & Communications Manager

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