DLS BLOG

NERDY STUFF THAT MATTERS
Blog
Sam Rozenfeld

The Need for Firewall Configuration in VoIP

The Need for Firewall Configuration in VoIP VoIP systems are a crucial investment for all organizations, regardless of their type or size. As these systems rely on the internet, they help streamline communication for organizations in a reliable and cost-effective manner. But, just like traditional telephony, VoIP networks are under threat of various impersonation-based identity

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Blog
Sam Rozenfeld

How to Troubleshoot and Resolve Echo in VoIP

VoIP echo is a common issue that causes disruption and delays in communication between individuals. If you have a far end-point, the loudness and delays during calls can get considerably worse. In this article, we will cover some of the main causes of VoIP echo and explain how to resolve an echo in VoIP. Causes

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VoIP Call Recording
Blog
Sam Rozenfeld

How VoIP Makes Call Recording Easier – Use Cases of VoIP Call Recording

VoIP (voice over IP) systems have become a mainstream part of nearly every business. These phone systems are essential for making businesses profitable and efficient. However, as VoIP phone systems become more common, companies seek additional functionalities from their service providers. One of such additions is the feature of VoIP call recording. Call recording can

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Hybrid VoIP and SIP trunking
Blog
Sam Rozenfeld

Hybrid VoIP: Migration from conventional PBX to VoIP

A hybrid VoIP system can bridge the gap between conventional PBX and VoIP telephony strategies in order to offer a more robust solution for organizations. These systems can facilitate the migration from PBX-based telephony to voice over IP. There are two reasons the transition from PBX to VoIP has been taking such a long time:

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VoIP Fax
Blog
Sam Rozenfeld

Challenges of Faxing in VoIP

Voice-over-IP (VoIP) is a cost-effective and reliable replacement of the public switched telephone network (PSTN). However, companies that switch to VoIP systems often complain that their fax machines or fax software do not work reliably. This is a problem because many businesses still depend on fax communication to continue with their usual workflow. As a

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VoIP Network codec symbols
Blog
Sam Rozenfeld

Beginners Guide to VoIP Audio CODECs

A Voice over Internet Protocol (VoIP) network enables the transmission of voice calls through the Internet or other digital networks. These audio signals have to be encoded into digital data to be transferred over an IP network and vice versa. To make the transmission of audio signals faster, smoother, and improve the overall calling experience,

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VoIP security
Blog
Sam Rozenfeld

VoIP Network Security – How Can You Strengthen VoIP?

Voice over IP (VoIP) has come a long way from where it had started. It no longer has the same performance and availability issues it used to have in the beginning. In fact, many high-speed networks now integrate quality-of-service (QoS) technology to mitigate previous problems. However, some critics are quick to raise questions about the security of VoIP networks.

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Reliability of TCP vs the Speed of UDP in voice over IP applications
Blog
Sam Rozenfeld

TCP vs UDP in VoIP

TCP vs UDP – Which Protocol Is the Best for VoIP? TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are among the most widely used protocols for data traversal across the Internet. These transport protocols govern how devices establish connections, how they exchange data, and how reliable the connection will be. Both of these

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STUN response and request scenario image
Blog
Sam Rozenfeld

VoIP Best Practices: STUN Implementation in VoIP Environment

The STUN (Simple Traversal of UDP over NAT) protocol is a standardized set of methods designed to help UDP packets make it across NAT devices safe and sound. Naturally, one of its key applications is to resolve connection issues in a SIP-based VoIP environment. As we all know, the Network Addressing Protocol (NAT) is a

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Choosing VoIP provider for your business
Blog
Sam Rozenfeld

How to Buy Business Phone System

Modern businesses and organizations stand or fall on their communications. Being reachable is essential.  Effective communication, however, can be an issue for older organizations with outdated phone systems. How do we make an intelligent buying decision when it comes to communication system? This article is intended as guidance on how to buy a business phone

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Polycom VVX 500 video call
Blog
Sam Rozenfeld

Is Video Calling Worthless?

With the rise of new media communications, such as Skype, WhatsApp, and myriad other applications, it makes sense to wonder if video calling is worthwhile for your business. You can run a business using traditional phones. Most of the time, that’s the way it goes. In the 21st century, however, the way we communicate has

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Cat on the phone (very angry)
Blog
Sam Rozenfeld

Things We Would Rather Do Over the Phone

We are all used to the ease of ordering things online, tapping our way into a purchase. For many people, it’s less common to pick up the phone to purchase something. Of course, that doesn’t mean that it doesn’t happen. It does, and here are a few examples of things that you can only buy

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