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November 18, 2021 18 Nov'21
Microsoft could make Edge default browser for opening links

People might no longer be able to use workarounds like EdgeDeflector to set another browser, such as Google Chrome or Mozilla Firefox, as their default for opening links.
November 18, 2021 18 Nov'21
Samsung brings Android 12 privacy to Galaxy S21 series

One UI 4 notifies smartphone users when apps access their camera, location or microphone. The software also lists the apps accessing people's data and keeps track of permissions.
October 06, 2021 06 Oct'21
Experts: Facebook outage signals need for redundancies

The social media platform, which is often used for e-commerce, upset many small businesses that could not sell their products for six hours and did not have backups in place.
November 28, 2018 28 Nov'18
Microsoft Teams app adds controls for IT admins

Microsoft has released a set of APIs for automating the creation and archiving of teams within the Microsoft Teams app.

Bring yourself up to speed with our introductory content

VoIP caller ID (voice over Internet Protocol caller identification)

VoIP caller ID (voice over Internet Protocol caller identification) is a caller ID application for VoIP phones that works in the same way as caller ID on a conventional telephone line. Continue Reading
teleconference

A teleconference is a live audio or audio-visual meeting with two or more participants. Continue Reading
jitter

Jitter is any deviation in, or displacement of, the signal pulses in a high-frequency digital signal. Continue Reading

Weigh the pros and cons of technologies, products and projects you are considering.

real-time application (RTA)

A real-time application (RTA) is an application program that functions within a time frame that the user senses as immediate or current. The latency must be less than a defined value, usually measured in seconds... (Continued) Continue Reading

Learn to apply best practices and optimize your operations.

identity management (ID management)

Identity management (ID management) is the organizational process for ensuring that individuals have the appropriate access to technology resources. Continue Reading
greenfield deployment

In networking, a greenfield deployment is the installation and configuration of a network where none existed before, for example in a new office. Continue Reading

We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.

VoIP bandwidth: Calculate consumption

The bandwidth needed for VoIP transmission depends on compression technology, packet overhead and the network protocol used. In this tip, learn how to calculate how much bandwidth your VoIP implementation will need. Continue Reading
IEEE 802.3at: Power over Ethernet plus

802.3af Power over Ethernet (PoE) has been widely adopted for powering VoIP phones, wireless access points and a number of other network-connected products. But it provides a limited amount of power. In this tip, David Jacobs investigates the latest... Continue Reading
Power over Ethernet for network architects

David Jacobs discusses how Power over Ethernet (PoE) is defined by the 802.3af standard, then looks at how PoE can help network architects simplify power distribution and potentially save money. Continue Reading