--- title: TeleDynamics Think Tank | Protocols, codecs & standards description: Protocols, codecs & standards | Business Telephone Systems Blog --- [Skip to content](https://info.teledynamics.com/blog/topic/protocols-codecs-standards#main-content) [(800) 847-5629](tel:+1(800)%20847-5629) Search [Become a Dealer](https://www.teledynamics.com/become-dealer) [Log In](http://www.teledynamics.com/) - Products - [Full Product Catalog](https://www.teledynamics.com/catalog) - [VOIP and UC](https://info.teledynamics.com/blog/topic/protocols-codecs-standards#tab2) - [Business Equipment](https://info.teledynamics.com/blog/topic/protocols-codecs-standards#tab3) - [Consumer Electronics](https://info.teledynamics.com/blog/topic/protocols-codecs-standards#tab4) - [Computer and Networking](https://info.teledynamics.com/blog/topic/protocols-codecs-standards#tab5) - [Outdoor Products](https://info.teledynamics.com/blog/topic/protocols-codecs-standards#tab6) - [Home and Personal Care](https://info.teledynamics.com/blog/topic/protocols-codecs-standards#tab7) - 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[Manufacturers](https://www.teledynamics.com/manufacturers) - [Support](https://www.teledynamics.com/contentpages/helpdesk) - [Think Tank Blog](https://info.teledynamics.com/blog) ## TeleDynamics Think Tank ## [UC and VoIP auto-provisioning: common pitfalls to avoid](https://info.teledynamics.com/blog/uc-and-voip-auto-provisioning-common-pitfalls-to-avoid) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Sep 30, 2026, 10:30:00 AM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/automated-call-provisioning1200x627.jpg)](https://info.teledynamics.com/blog/uc-and-voip-auto-provisioning-common-pitfalls-to-avoid) While automated provisioning has made bringing UC and VoIP endpoints online faster and easier than ever, even highly automated systems can run into trouble when common provisioning pitfalls are overlooked. Knowing where those problems can occur and how to avoid them can mean the difference between a smooth rollout and a frustrating troubleshooting exercise. Behind the apparent simplicity of today’s provisioning systems lies a chain of network services, protocols, security mechanisms, and configuration dependencies that must all work together correctly. A problem at any point in that chain can prevent a device from provisioning or registering as expected. In this article, we walk through the UC and VoIP provisioning process, highlighting common points of failure that even seasoned professionals may encounter and what to look for when things don’t go as planned. [Read More](https://info.teledynamics.com/blog/uc-and-voip-auto-provisioning-common-pitfalls-to-avoid) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/uc-and-voip-auto-provisioning-common-pitfalls-to-avoid#comments-listing) Topics: [SIP Phones](https://info.teledynamics.com/blog/topic/sip-phones), [VoIP](https://info.teledynamics.com/blog/topic/voip), [Troubleshooting](https://info.teledynamics.com/blog/topic/troubleshooting), [Protocols, codecs & standards](https://info.teledynamics.com/blog/topic/protocols-codecs-standards) ## [Simplify IP phone deployments with DHCP and LLDP-MED](https://info.teledynamics.com/blog/simplify-ip-phone-deployments-with-dhcp-and-lldp-med) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Jul 22, 2026, 10:22:00 AM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/phone-provisioning1200x627.jpg)](https://info.teledynamics.com/blog/simplify-ip-phone-deployments-with-dhcp-and-lldp-med) How do you troubleshoot an IP phone that won’t register? And how can you tell whether the endpoint itself is defective? Understanding how DHCP and LLDP-MED support provisioning can help IT teams streamline rollouts, apply settings consistently, and pinpoint the source of registration problems.  An IP phone may look ready to use as soon as it is connected, but before it can place a call, it must learn where it belongs on the network, how its traffic should be prioritized, and where to retrieve its configuration. Thankfully, this initial setup, known as provisioning, can be largely automated. Network protocols like the Dynamic Host Configuration Protocol (DHCP) and the Link Layer Discovery Protocol - Media Endpoint Discovery (LLDP-MED) help turn UC and VoIP endpoint deployments into a simple, highly automated, plug-and-provision process. In this article, we explain how these protocols work and how they can significantly streamline endpoint deployment and ongoing management.  By the way, TeleDynamics customers can take this automation a step further with our provisioning services. We can preconfigure IP phones before shipment so they arrive ready to connect and deploy at the end user’s location.  [Read More](https://info.teledynamics.com/blog/simplify-ip-phone-deployments-with-dhcp-and-lldp-med) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/simplify-ip-phone-deployments-with-dhcp-and-lldp-med#comments-listing) Topics: [SIP Phones](https://info.teledynamics.com/blog/topic/sip-phones), [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip), [Protocols, codecs & standards](https://info.teledynamics.com/blog/topic/protocols-codecs-standards) ## [Securing VoIP communications with SIP over TLS and SRTP](https://info.teledynamics.com/blog/securing-voip-communications-with-sip-over-tls-and-srtp) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Jul 1, 2026, 10:01:01 AM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/SIP%20over%20TLS%20and%20SRTP.jpg)](https://info.teledynamics.com/blog/securing-voip-communications-with-sip-over-tls-and-srtp) Voice and video communications carry some of an organization’s most sensitive conversations, but the systems that support them are often treated as ordinary network traffic, creating security gaps that attackers may be able to exploit. Behind the scenes, signaling messages set up and control the session, while separate media streams carry the actual voice or video. If either of these components is left unprotected, attackers may be able to intercept call details, manipulate sessions, or capture media packets that were never meant to be exposed.  That is why securing real-time communications requires attention to both parts of the call path. SIP over Transport Layer Security (TLS) helps protect the signaling messages used to establish and manage the session, while Secure RTP (SRTP) helps protect the media stream that carries the actual conversation. Together, these two technologies provide an important foundation for securing VoIP, UC, and other real-time collaboration services.  In this article, we take a closer look at how SIP over Transport Layer Security (TLS) and Secure RTP (SRTP) work together to protect real-time communications. We’ll examine the difference between signaling and media traffic, what each technology helps secure, and why both are important for protecting VoIP, UC, and collaboration environments.  [Read More](https://info.teledynamics.com/blog/securing-voip-communications-with-sip-over-tls-and-srtp) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/securing-voip-communications-with-sip-over-tls-and-srtp#comments-listing) Topics: [OTT VOIP](https://info.teledynamics.com/blog/topic/ott-voip), [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip), [Network Security](https://info.teledynamics.com/blog/topic/network-security), [Unified Communications](https://info.teledynamics.com/blog/topic/unified-communications), [Communication](https://info.teledynamics.com/blog/topic/communication), [UCaaS](https://info.teledynamics.com/blog/topic/ucaas), [Protocols, codecs & standards](https://info.teledynamics.com/blog/topic/protocols-codecs-standards) ## [How to read weatherproof ratings on telecom data sheets](https://info.teledynamics.com/blog/how-to-read-weatherproof-ratings-on-telecom-data-sheets) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on May 6, 2026, 11:06:00 AM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/GWN7660LR_weatherproof1200x630smtd.jpg)](https://info.teledynamics.com/blog/how-to-read-weatherproof-ratings-on-telecom-data-sheets) Networking and communications equipment is not always installed in clean, climate-controlled environments. Many devices operate outdoors, in industrial facilities, on building exteriors, at entry points, or in other locations where rain, dust, and other environmental factors can affect performance over time. That is why data sheets often include environmental ratings and certification codes such as IP, NEMA, IEC, MIL-STD, UV, and ETSI. These standards can be difficult to interpret at first glance, but they provide important clues about where a device can be safely deployed and what conditions it is designed to withstand. In this article, we demystify the weather and environmental protection standards manufacturers use so you can more confidently choose the right equipment for harsh environment deployments. [Read More](https://info.teledynamics.com/blog/how-to-read-weatherproof-ratings-on-telecom-data-sheets) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/how-to-read-weatherproof-ratings-on-telecom-data-sheets#comments-listing) Topics: [Grandstream](https://info.teledynamics.com/blog/topic/grandstream), [Yealink](https://info.teledynamics.com/blog/topic/yealink), [Cisco](https://info.teledynamics.com/blog/topic/cisco), [Protocols, codecs & standards](https://info.teledynamics.com/blog/topic/protocols-codecs-standards) ## [Built to take a hit: ruggedization standards explained](https://info.teledynamics.com/blog/built-to-take-a-hit-ruggedization-standards-explained) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Apr 15, 2026, 10:15:00 AM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/Cisco-ruggedized1200x630sm.jpg)](https://info.teledynamics.com/blog/built-to-take-a-hit-ruggedization-standards-explained) Not all networking equipment is deployed in protected server rooms or climate-controlled offices. Many devices are installed in industrial facilities, public spaces, or other environments where they may be exposed to impacts, vibration, or even vandalism. Ruggedized telecom and networking devices are built for harsh environments, but how rugged is “rugged”? Datasheets often list standards like IK, MIL-STD, and IEC, but what do they really tell you?  In this article, we decode ruggedization standards so you can deploy this equipment with confidence. [Read More](https://info.teledynamics.com/blog/built-to-take-a-hit-ruggedization-standards-explained) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/built-to-take-a-hit-ruggedization-standards-explained#comments-listing) Topics: [Grandstream](https://info.teledynamics.com/blog/topic/grandstream), [Cisco](https://info.teledynamics.com/blog/topic/cisco), [Snom](https://info.teledynamics.com/blog/topic/snom), [Protocols, codecs & standards](https://info.teledynamics.com/blog/topic/protocols-codecs-standards), [CyberData](https://info.teledynamics.com/blog/topic/cyberdata) ## [What every VoIP pro should know about BGP](https://info.teledynamics.com/blog/what-every-voip-pro-should-know-about-bgp) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Jul 23, 2025, 10:23:00 AM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/global-data-flows1200x627.jpg)](https://info.teledynamics.com/blog/what-every-voip-pro-should-know-about-bgp) When you make a VoIP call or join a UC meeting, you click the “call” or “join” button, and everything just works! You seamlessly communicate with your remote employees, partners, and customers. It seems like magic, but behind the scenes, a vital technology is making all this possible: the Border Gateway Protocol (BGP). BGP is the de facto routing protocol that governs and enables data to traverse the worldwide web. For VoIP and UC professionals, understanding BGP matters because it directly affects how voice, video, and messaging traffic reaches its destination. This is true for all communications taking place over the internet, such as that between users, SIP trunk providers, or cloud-based UC and VoIP platforms. In this article, we look behind the scenes to see what BGP is, how it directs traffic across multiple networks and ISPs worldwide, and how its operation directly affects reliability and service availability for real-time applications. [Read More](https://info.teledynamics.com/blog/what-every-voip-pro-should-know-about-bgp) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/what-every-voip-pro-should-know-about-bgp#comments-listing) Topics: [VoIP](https://info.teledynamics.com/blog/topic/voip), [Unified Communications](https://info.teledynamics.com/blog/topic/unified-communications), [Protocols, codecs & standards](https://info.teledynamics.com/blog/topic/protocols-codecs-standards) ## [What you need to know about IP cameras before you buy](https://info.teledynamics.com/blog/what-you-need-to-know-about-ip-cameras-before-you-buy) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Apr 9, 2025, 10:09:00 AM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/IPcamera1.jpg)](https://info.teledynamics.com/blog/what-you-need-to-know-about-ip-cameras-before-you-buy) Have you ever wondered how an IP camera captures video, converts it to a digital format, and sends it on its way? Understanding how IP cameras work is important for understanding datasheet specifications and IP camera capabilities, so you can choose the best devices for your customers' needs. Knowing at least the basics of how this technology works can help you better choose the appropriate hardware based on the application requirements. In this article, we examine the processes involved in video capture on IP cameras and the various associated technologies used for this purpose. [Read More](https://info.teledynamics.com/blog/what-you-need-to-know-about-ip-cameras-before-you-buy) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/what-you-need-to-know-about-ip-cameras-before-you-buy#comments-listing) Topics: [Surveillance](https://info.teledynamics.com/blog/topic/surveillance), [Unified Communications](https://info.teledynamics.com/blog/topic/unified-communications), [Facility Management](https://info.teledynamics.com/blog/topic/facility-management), [Protocols, codecs & standards](https://info.teledynamics.com/blog/topic/protocols-codecs-standards) ## [Minimize jitter, latency and other UC issues through proper routing](https://info.teledynamics.com/blog/minimize-jitter-latency-and-other-uc-issues-through-proper-routing) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Jan 15, 2025, 10:17:00 AM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/iprouting2.jpg)](https://info.teledynamics.com/blog/minimize-jitter-latency-and-other-uc-issues-through-proper-routing) Routing is a vital part of network operations, and employing it correctly is of utmost importance for any enterprise network. In the context of networking, routing is the process by which data packets are directed to their final destination as they travel from node to node.  There are many aspects of routing design that can affect general network traffic patterns and particular network services. UC and VoIP services can be adversely affected if routing design does not take into account their special characteristics. This article examines various aspects of routing implementation to see how it can potentially affect real-time services. We also look at what specific design aspects you should consider to ensure the proper operation of such services. [Read More](https://info.teledynamics.com/blog/minimize-jitter-latency-and-other-uc-issues-through-proper-routing) 1 Comment [Click here to read/write comments](https://info.teledynamics.com/blog/minimize-jitter-latency-and-other-uc-issues-through-proper-routing#comments-listing) Topics: [VoIP](https://info.teledynamics.com/blog/topic/voip), [Troubleshooting](https://info.teledynamics.com/blog/topic/troubleshooting), [Routers](https://info.teledynamics.com/blog/topic/routers), [Network Design](https://info.teledynamics.com/blog/topic/network-design), [Unified Communications](https://info.teledynamics.com/blog/topic/unified-communications), [Network Infrastructure](https://info.teledynamics.com/blog/topic/network-infrastructure), [Protocols, codecs & standards](https://info.teledynamics.com/blog/topic/protocols-codecs-standards) ## [Nine DHCP options that are particularly useful for VoIP and UC](https://info.teledynamics.com/blog/dhcp-options-for-voip-and-uc-systems) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Jul 31, 2024, 10:19:00 AM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/DHCPx1200x627b.jpg)](https://info.teledynamics.com/blog/dhcp-options-for-voip-and-uc-systems) DHCP is best known as the protocol that automatically assigns IP addresses to hosts that connect to a network. It is one of those protocols that we don’t often think about because it functions in the background — users are completely oblivious to its operation, just enjoying its convenience and flexibility. However, DHCP is about more than automatic address allocation, especially for VoIP and UC devices such as IP phones and video terminals. In this article, we explore the operation of DHCP and the specialized options it provides for VoIP and UC applications, some of which you might not know about! [Read More](https://info.teledynamics.com/blog/dhcp-options-for-voip-and-uc-systems) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/dhcp-options-for-voip-and-uc-systems#comments-listing) Topics: [IP PBX](https://info.teledynamics.com/blog/topic/ip-pbx), [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip), [Network Design](https://info.teledynamics.com/blog/topic/network-design), [IoT](https://info.teledynamics.com/blog/topic/iot), [Unified Communications](https://info.teledynamics.com/blog/topic/unified-communications), [Protocols, codecs & standards](https://info.teledynamics.com/blog/topic/protocols-codecs-standards) ## [Unlock the incredible power of IPv6 for VoIP & UC systems](https://info.teledynamics.com/blog/ipv6-for-voip-uc-systems) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Jul 3, 2024, 10:13:00 AM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/ipv6_3.jpg)](https://info.teledynamics.com/blog/ipv6-for-voip-uc-systems) Internet Protocol version 6 (IPv6) is the successor to the well-established IPv4 network layer protocol. It is slowly but surely gaining ground worldwide on both internal corporate enterprise networks and on the internet at large. But what does this mean for real-time audio and video communications applications such as VoIP and unified communications (UC)? How are VoIP and UC leveraging IPv6, and are there any issues that network admins must be aware of in this process? In this article, we answer these questions by examining the benefits and challenges of deploying such applications over an IPv6 network. [Read More](https://info.teledynamics.com/blog/ipv6-for-voip-uc-systems) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/ipv6-for-voip-uc-systems#comments-listing) Topics: [Wireless](https://info.teledynamics.com/blog/topic/wireless), [Network Design](https://info.teledynamics.com/blog/topic/network-design), [IoT](https://info.teledynamics.com/blog/topic/iot), [Unified Communications](https://info.teledynamics.com/blog/topic/unified-communications), [Protocols, codecs & standards](https://info.teledynamics.com/blog/topic/protocols-codecs-standards) [All posts](https://info.teledynamics.com/blog/all) [Next](https://info.teledynamics.com/blog/topic/protocols-codecs-standards/page/2) ## 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. 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