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TeleDynamics Think Tank

How to fix IP phone registration issues

Posted by Daniel Noworatzky on Apr 15, 2020 10:40:00 AM

If you are a voice network engineer, then it has probably happened to you. Your SIP server is all set up and you have plugged in your IP phone. Its lights come on, its screen is activated, you see the loading icon rotating, and then… nothing. For some reason, the phone will not register.

IP phone registration issues are, unfortunately, not uncommon. In this article, we examine the most common causes of registration failures, and best practices for troubleshooting and resolving them.


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Topics: SIP Phones, IP PBX, Business Telephone System, SIP, Troubleshooting, Voice Protocols, firewall

Common Wi-Fi security threats and how to mitigate them

Posted by Daniel Noworatzky on Aug 21, 2019 10:49:00 AM

Wi-Fi itself should not be feared as a technology susceptible to network attacks; it is a flawed implementation that should be feared. Because of the nature of the technology, Wi-Fi signals can be easily intercepted by any wireless device within range. Nevertheless, with the proper security precautions in place, these intercepted signals become useless to even the most determined attacker. By employing industry-standard security measures, Wi-Fi becomes an enterprise-grade high-performance solution suitable for almost any application.

In this article, we examine the the most pervasive threats to Wi-Fi networks and the best ways to mitigate them.

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Topics: Network Security, Wi-Fi, firewall

How to troubleshoot VoIP problems caused by your firewall

Posted by Daniel Noworatzky on Jun 5, 2019 10:44:00 AM

 

A firewall is a vital component of any enterprise network. But, it can also wreak havoc on the operation of VoIP implementations. In this article, we address the most common problems a firewall can introduce to an IP telephony network, as well as best practices for avoiding or remedying them.

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Topics: VoIP, Network Security, Troubleshooting, Network Design, firewall

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Welcome to our Think Tank

In this blog you'll read our thoughts on business telephone systems. While a lot has changed in telecom since TeleDynamics was founded in 1981, we remain as committed as ever to delivering the best customer service in the industry.

If you would like elaboration on a specific topic, please let us know in the comments section.

Happy reading and thanks for stopping by!

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