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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

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

Hybrid office, part 1 – Leveraging the portable landline

Posted by Daniel Noworatzky on Jan 19, 2022 10:47:00 AM

The pandemic and resulting lockdowns around the world have dramatically changed the ways that businesses operate. One of the most noticeable changes has to do with what has recently been coined as the hybrid office. In this article, we examine this new operational model and see how various communications services can aid in making it not only viable, but exceptionally advantageous.

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Topics: SIP Phones, SIP, Mobility, Productivity

Konftel’s 800 SIP conference phone is now Zoom Phone certified

Posted by Daniel Noworatzky on Jan 12, 2022 10:44:00 AM

The Konftel 800 SIP conference phone has been officially certified to work with the fast-growing cloud phone solution from Zoom Video Communications, Inc. The flagship Konftel 800 audio device, fully tested to work on Zoom Phone, features an award-winning design and high-quality OmniSound with beamforming microphones and audio expansion capabilities. In this article, we highlight some of the key features of this conference phone.

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Topics: SIP Phones, SIP, conferencing, Product Review, Cloud, Konftel, Zoom

Snom’s M900 multicell base station

Posted by Daniel Noworatzky on Dec 1, 2021 10:36:00 AM

Product Review

There are many businesses that require wireless telephony on their premises. Hospitals, hotels, warehouses, universities, and a multitude of manufacturing environments require employees to maintain a high level of mobility within an enterprise’s facilities while simultaneously maintaining their reachability via the internal phone system.

For such environments, a DECT-based system is arguably the simplest turn-key solution. Snom has made such a solution even simpler and highly scalable with its M900 DECT base station.

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Topics: Wireless, Business Telephone System, VoIP, SIP, DECT, Product Review, Voice Protocols, Snom

Spotlight on Snom

Posted by Daniel Noworatzky on Sep 29, 2021 10:52:00 AM

TeleDynamics is proud to distribute Snom products in the United States. Headquartered in Berlin, Germany, it has subsidiaries in the U.S. and other countries and serves customers worldwide. In this article, we highlight the innovation and inventiveness that are instilled within Snom’s products and services today.

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Topics: SIP Phones, Business Telephone System, VoIP, SIP, DECT, Wi-Fi, Snom

Comparison of Grandstream GXP and GRP series of IP phones

Posted by Guest Blogger on Sep 22, 2021 10:50:00 AM

By Brian Van Meter, marketing manager at Grandstream

Grandstream’s IP phones are used around the world by businesses, schools, hotels, and ITSPs. They provide a desktop device that is feature-loaded, intuitive to use, and productivity-focused. The GRP2600 Series of Carrier-Grade IP Phones is the newest line of desktop IP phones and offers both essential and professional-level devices for a variety of deployment scenarios. As the newest series, our GRP IP phones have advanced capabilities that the GXP series of IP phones lacks, and it is important to understand the difference between the two lines when making a purchasing decision. Within this blog post, we’ll be comparing the GXP and GRP series, and explaining where our newest generation of IP phones offer notable improvements.

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Topics: SIP Phones, SIP, Grandstream

Konftel’s C20800 Hybrid video collaboration kit

Posted by Daniel Noworatzky on Sep 15, 2021 10:39:00 AM

Product Review


In this article we review Konftel's C20800 Hybrid video collaboration kit, which is comprised of various components in an easy-to-use, simple-to-set-up room videoconference system.

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Topics: SIP, conferencing, Productivity, Product Review, Unified Communications, Konftel

Yealink ranks No. 1 in SIP phone market share for third year in a row

Posted by Daniel Noworatzky on Aug 26, 2020 10:42:00 AM

Yealink announced that it has topped the list of SIP phone manufacturers with a 29.5% market share in 2019, giving it the number-one spot for the third year in a row, according to the latest Global Enterprise Communications Platforms and Endpoints Market report by Frost & Sullivan. In this article, we look at the products and innovations that have earned Yealink this coveted ranking.

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Topics: Business Telephone System, SIP, Yealink, 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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