R.I.P. ISDN

R.I.P. ISDN

We live in a digital world. Entertainment, work, information, social relations… today everything is digital. The benefits are obvious. Digital information is much easier to store, transfer and handle than analog and is more powerful.  If we think about it we can find many fields where digitalization has had a remarkable impact. In this article, however, we will only consider the impact on...

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VoIP Security

VoIP Security

Some countries switch off their telephone network in the near future. ALL IP is as previously mentioned one of the main buzz words. The shift to VoIP has already started and now is the right time to ask ourselves: “Do we need VoIP security?” VoIP security in this context doesn’t relate to firewalls, firewall problems in VoIP protocols or anything like that, but refers to the basic problem of...

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The ABC of SBC: definition, characteristics and advantages

The ABC of SBC: definition, characteristics and advantages

The Firewall is the quintessential element providing network security when you need to interconnect with other networks, allowing outgoing traffic and blocking unsolicited incoming traffic. The Firewall is a necessary element, although it is insufficient for security purposes since some threats are hidden from network firewalls within legitimate-appearing traffic, thus resulting in the need for...

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BYOD and Telephony: integrated solutions and security

BYOD and Telephony: integrated solutions and security

The concept of bring your own device BYOD is a growing trend for business IT. There are a variety of benefits allowing users to supply their own PC and mobile devices. Employees can easily check e-mails, manage appointments via social networks and search the web. Many companies offer their own apps to allow access to corporate data, enterprise applications and enterprise infrastructure. All IP...

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