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TeleDynamics Think Tank

Securing VoIP: Systems and network security

Posted by Daniel Noworatzky on Sep 14, 2022 10:46:00 AM

Securing voice services is among the most essential measures any business can take to mitigate attacks involving toll fraud, denial of service or corporate espionage. Voice over Internet Protocol (VoIP) encompasses a robust and fully developed set of technologies that incorporate strong security features sufficient to deal with virtually all such attacks. Nevertheless, even with the most secured VoIP services, malicious hackers often find alternative attack vectors to achieve their goals.

In this article, we examine those attack vectors and the best practices to defend against them.

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Topics: IP PBX, VoIP, SIP, Network Security, firewall

VoIP security: Keeping conversations confidential

Posted by Daniel Noworatzky on Sep 7, 2022 10:46:00 AM

When you speak on the phone, it’s natural to believe that it’s a private conversation between you and the person on the other end of the line. However, do you know what mechanisms are employed to deliver this confidentiality? And how confident can you truly be in these security measures?

In this article, we take a detailed look at Voice over Internet Protocol (VoIP) security technologies and how they keep conversations confidential.

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Topics: SIP Phones, IP PBX, VoIP, SIP, Network Security, Voice Protocols

Grandstream UCM RemoteConnect (UCMRC)

Posted by Daniel Noworatzky on Aug 31, 2022 10:41:00 AM

Product Review

Experienced telecom administrators know it’s challenging to provide ironclad security while maintaining speed on a communications network. This is especially true for enterprises with large mobile workforces, where users have internal telephone extensions on their mobile devices or home computers.

To make achieving these essential goals easier, Grandstream has introduced UCM RemoteConnect. This service caters to provisioning extensions for remote users of on-premises UCM6300 IP PBXs securely and lightning-fast.

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Topics: IP PBX, VoIP, Grandstream, Network Security, mobile, Product Review, firewall

VoIP failover options and alternatives

Posted by Daniel Noworatzky on Aug 24, 2022 10:43:00 AM

 

In previous articles, we've discussed the high reliability of VoIP technology. That said, achieving high reliability is only possible when built into the design of the VoIP network and the underlying network infrastructure supporting the service. One of the fundamental requirements to ensure such reliability is the implementation of VoIP failover. Here's what you need to know. 

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Topics: VoIP, SIP, Business Continuity, mobile, Network Design, Cloud, SD-WAN, Unified Communications, WAN technology

How to design the best support structure for VoIP deployments

Posted by Daniel Noworatzky on Aug 10, 2022 10:50:00 AM

Information and Communications Technology (ICT) often comprises a substantial portion of the budget for many businesses, a large part of which goes to paying the wages of support staff. Larger enterprises may need to employ a full-time, in-house team of professionals to support all their ICT services and assets, including VoIP communications systems.

However, smaller businesses have limited budgets and few ICT-related tasks to justify a full-time or even a part-time ICT position. It’s more difficult for these firms to support their communications systems without wasting valuable and often scarce resources.

In this article, we hope to provide you with insight on how to design the best support structure for your VoIP communications services without overextending your budget.

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Topics: VoIP, Network Design, Cloud, Business Strategy

How to choose a reputable VoIP service provider

Posted by Daniel Noworatzky on Jul 13, 2022 10:45:00 AM

Voice over Internet Protocol (VoIP), a collection of technologies enabling voice communications over IP networks, has come a long way since its first commercial application over 20 years ago. It has successfully overcome its many obstacles, developing into a robust, reliable and extremely flexible communications solution. You would be hard-pressed to find any new business telephone system installed within the past couple of years based on technology other than VoIP.

In a previous article, we saw how reliable the technology has becomeIn this article, we look at the factors to consider when choosing VoIP services, especially services delivered within a UCaaS framework. This will help you choose the best provider for your particular business needs.

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Topics: VoIP, Trends, Cloud, Voice Protocols

Advances in VoIP reliability

Posted by Daniel Noworatzky on Jun 29, 2022 10:50:00 AM

In the past, VoIP was considered a low-quality, undependable voice service delivered over an unreliable internet connection. Since then, the technology has improved dramatically, as have the methods and connections used to deliver it. VoIP now enjoys the same levels of availability and robustness as traditional telephony did at its peak.

Even so, the stigma of low quality and low dependability has followed VoIP to this day. In this article, we attempt to understand why this is the case and provide a realistic picture of the phenomenal reliability that VoIP can achieve today.

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Topics: QoS, VoIP, SD-WAN, Voice Protocols

Spotlight on Grandstream: 20 years of innovation

Posted by Daniel Noworatzky on Jun 22, 2022 10:44:00 AM

This year, Grandstream celebrates its 20-year anniversary. Since its founding two decades ago, Grandstream has grown to become one of the largest Voice over Internet Protocol (VoIP), videoconferencing, networking and facility management solutions providers in the world, delivering a wide range of products and services.

In this article, we look at the history of this pioneering company, its key product offerings and what to expect in the near future and beyond.

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Topics: IP PBX, VoIP, Grandstream, Headsets, Video Conferencing, Wi-Fi, Unified Communications

Yeastar’s P-Series cloud edition PBX System

Posted by Daniel Noworatzky on Jun 15, 2022 10:43:00 AM

Product Review

Yeastar is a trailblazer when it comes to delivering IP PPX solutions. The company offers Voice over Internet Protocol (VoIP) servers with some of the most advanced and ground-breaking features on the market, and it has continued to enhance both its product line and the mechanisms through which its products are delivered.

In this article, we focus on Yeastar’s P-Series cloud-based VoIP telephony solutions, how they are delivered and the market they are designed to serve.

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Topics: IP PBX, Business Telephone System, VoIP, Product Review, Cloud, Yeastar, collaboration

Grandstream's GRP IP phones are now certified for Zoom Phone

Posted by Daniel Noworatzky on Jun 8, 2022 10:49:00 AM

A while back, we reported on the then-newest additions to Grandstream’s professional carrier-grade telephones, which are part of the company’s GRP series of IP phones. This series of devices continues to deliver premium, easy-to-use features to high-call-volume users.

In this article, we are pleased to announce the addition of the new GRP2670 model to the lineup, as well as the news that the entire series is now certified for Zoom Phone.

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Topics: SIP Phones, VoIP, Grandstream, Product Review, News

Add a Comment:

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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