--- title: "Green communications: how to reduce UC and VoIP energy costs" description: Practical ways to make UC and VoIP systems greener, reduce energy consumption, and lower operating costs through smarter infrastructure management. image: https://info.teledynamics.com/hubfs/blog-images/green-uc_1200x627.jpg --- [Skip to content](https://info.teledynamics.com/blog/green-communications-how-to-reduce-uc-and-voip-energy-costs#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/green-communications-how-to-reduce-uc-and-voip-energy-costs#tab2) - [Business Equipment](https://info.teledynamics.com/blog/green-communications-how-to-reduce-uc-and-voip-energy-costs#tab3) - [Consumer Electronics](https://info.teledynamics.com/blog/green-communications-how-to-reduce-uc-and-voip-energy-costs#tab4) - 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[Tweet](https://twitter.com/share) ![Modern data center network rack with Ethernet switches, neatly organized cables, green LED indicators, and a digital energy-efficiency monitoring display -- TeleDynamics blog](https://info.teledynamics.com/hs-fs/hubfs/blog-images/green-uc_1200x627.jpg?width=1200&height=627&name=green-uc_1200x627.jpg) Green unified communications is about more than reducing the environmental impact of large data centers. Enterprise UC and VoIP systems also consume energy around the clock, creating opportunities for organizations to reduce both their carbon footprints and operating costs. From always-on IP phones and PoE switches to UC servers, IP PBXs, and conferencing systems, enterprise communications infrastructure can represent a significant source of energy consumption. Fortunately, improving energy efficiency doesn't necessarily require major infrastructure investments. Smarter power management, optimized configurations, and more efficient equipment can deliver meaningful savings, particularly in large deployments. In this article, we explore practical ways to make UC and VoIP systems greener and more cost-efficient, from individual endpoints to on-premises infrastructure and cloud-based communications services. ### Small energy savings add up across UC endpoints Employing energy-efficient mechanisms on a single endpoint means relatively small savings per device, but the savings become more meaningful at scale. Accordingly, we start our discussion with the most numerous components: IP phones, room conferencing systems, wireless handsets, and other always-on UC endpoints. Because these devices normally operate continuously across hundreds or even thousands of users, even modest reductions in per-device power consumption can translate into significant energy savings over time. Many of these devices already have built-in energy savings features, some of which just need to be enabled. These can include turning on intelligent power-saving or sleep modes, automatically turning off display backlights during inactivity, and replacing older equipment with newer, more energy-efficient models when lifecycle replacement is justified. Many devices also [conform to standards](https://info.teledynamics.com/blog/why-pay-attention-to-telecom-networking-equipment-certifications) or carry energy-efficiency certifications such as [ENERGY STAR](https://www.energystar.gov/), which certifies that products meet defined energy-performance requirements, helping reduce energy consumption and greenhouse gas emissions. ### **Smarter PoE management for lower energy costs** [Power over Ethernet](https://info.teledynamics.com/blog/evolution-of-poe-technology) is a technology that plays a significant role in improving energy efficiency. PoE powers endpoints over the Ethernet cable, eliminating the need for local transformers plugged into high-voltage AC power sockets for each individual device. Using low-voltage DC power over Ethernet and centralized power supplies in PoE switches simplifies power distribution and, more importantly, enables centralized monitoring and management of endpoint power. As one example, a 48-port switch can centrally power and manage dozens of IP phones. The power savings come not just from using PoE but also from intelligent power design. Although not a PoE standard itself, IEEE 802.3az, also known as Energy-Efficient Ethernet (EEE), is relevant to IP phones, switches, conference systems, and other Ethernet-connected UC devices. It introduces Low Power Idle (LPI), a state that allows Ethernet interfaces to reduce power consumption when little or no traffic is being transmitted and to quickly return to normal operation when needed. The appropriate switch power budget should be selected based on the requirements of the endpoints in use. PoE scheduling can also be used to explicitly deactivate unnecessary devices during out-of-office hours. Using technologies such as [LLDP-MED](https://info.teledynamics.com/blog/simplify-ip-phone-deployments-with-dhcp-and-lldp-med) or similar mechanisms helps devices negotiate appropriate power requirements and improve PoE power budget management. PoE power consumption can be easily monitored on PoE switches using standardized monitoring techniques such as SNMP, CLI commands, and centralized management platforms to gain detailed visibility into usage, enabling the identification and rectification of inefficiencies. ### **Reducing power and cooling costs through virtualization** Traditional UC and VoIP deployments require one or more dedicated appliances or servers for call control, voicemail, conferencing, management, interfacing with the PSTN, and other applications. Consolidating multiple UC and VoIP workloads into fewer physical hosts helps reduce energy consumption and costs. [Virtual machines and containerized services](https://info.teledynamics.com/blog/grandstream-softwareucm-pbx-platform) are one of the primary ways to achieve this goal. Virtualization can significantly improve efficiency through better utilization of server resources, reduced power and cooling requirements, and simpler lifecycle management. To reap these benefits, implementations should be sized correctly, because consolidation saves energy only when the infrastructure is efficiently utilized rather than simply adding another layer of capacity that remains unused. ### **Green data center practices** For organizations that choose to run their UC and VoIP servers locally, the supporting data center or server room adds its own energy requirements. These include cooling, power distribution, [UPS (uninterruptible power supply) systems](https://info.teledynamics.com/blog/prevent-network-failures-with-effective-power-management), and other supporting infrastructure. Time and effort must be devoted to hot-aisle/cold-aisle management, redundant power, and the server consolidation and virtualization that we’ve already discussed. In addition, a power usage monitoring system is useful for tracking the total power consumed by each data center component type, enabling appropriate energy- and cost-saving decisions. Replacing older, inefficient equipment with more energy-efficient infrastructure when lifecycle replacement is justified helps organizations achieve long-term energy-efficiency goals. When paired with local renewable energy options such as solar power and wind, and with battery storage of excess energy, these approaches help make data centers—and the UC and VoIP systems that they support—greener and more environmentally friendly. ### **Making UC greener with smarter cloud choices** Cloud infrastructure can often improve energy efficiency and related costs compared with on-premises options. [UCaaS](https://info.teledynamics.com/blog/yeastar-ucaas-turnkey-solutions), hosted UC systems, and [cloud-based VoIP systems](https://info.teledynamics.com/blog/why-resellers-love-yeastar-cloud-pbx-and-why-you-will-too) typically improve efficiency through extensive shared infrastructure, higher server utilization, large-scale virtualization, and purpose-built data centers. Cloud options can eliminate much of the local server infrastructure and its associated power, cooling, UPS capacity, and maintenance requirements. This, in turn, also reduces hardware and software maintenance costs. It’s important to note that simply moving UC and VoIP to the cloud does not eliminate its energy footprint; rather, it essentially transfers much of it to the service provider. The potential sustainability benefit comes from the scale of cloud providers, higher infrastructure utilization, efficient data-center design, and, in some cases, greater use of renewable or lower-carbon energy. Of course, the actual benefit depends on the provider, its infrastructure, and the geographic locations of the data centers that support the service, so choosing the “greenest” cloud provider is also a consideration in minimizing your environmental footprint. ### **Lowering travel costs and emissions with UC** Although not a technological benefit, the use of UC can indirectly reduce an enterprise’s energy and carbon footprint while lowering costs by reducing the need for travel. Meetings with remote partners, customers, and clients can be conducted effectively via collaboration and videoconferencing systems, allowing users to work from home and reduce the environmental impact of commuting. Remote parties can collaborate without meeting face to face. In this way, the environmental value of UC can extend well beyond the energy savings within the communications system itself. ### **A practical UC and VoIP green checklist** A greener UC environment does not require a complete redesign of the communications infrastructure. In many cases, meaningful savings come from a combination of better equipment choices and configurations, smarter power management, and more efficient use of existing resources. The following checklist provides a practical starting point for any business leveraging UC, VoIP, videoconferencing, or collaboration systems: - Choose energy-efficient IP phones and conferencing devices - Enable sleep, screen dimming, and other power-saving features - Monitor and right-size PoE consumption - Use PoE scheduling for devices that do not need 24/7 power - Consolidate UC servers through virtualization where supported - Retire unused legacy hardware and services - Improve cooling and UPS efficiency in communications rooms and data centers - Evaluate UCaaS providers for data-center efficiency and sustainability practices - Track energy use as part of UC lifecycle and procurement decisions - Use video, remote support, and collaboration tools to reduce unnecessary travel ### **Conclusion** A greener UC environment is usually also a more efficient one. Reducing unnecessary endpoints, consolidating infrastructure, improving PoE efficiency, and using cloud resources intelligently can reduce both your carbon footprint and the ongoing cost of communications. By making common-sense green initiatives part of the enterprise network design and operational policies, organizations can benefit from lower operating costs while reducing the environmental impact of their communication infrastructure.   --- You may also like: [The future is low voltage: unlocking value with PoE lighting](https://info.teledynamics.com/blog/the-future-is-low-voltage-unlocking-value-with-poe-lighting) [Data center cabling: an overlooked key to performance and reliability](https://info.teledynamics.com/blog/data-center-cabling-an-overlooked-key-to-performance-and-reliability) [Prevent network failures with effective power management](https://info.teledynamics.com/blog/prevent-network-failures-with-effective-power-management)     Topics: [VoIP](https://info.teledynamics.com/blog/topic/voip), [Network Design](https://info.teledynamics.com/blog/topic/network-design), [Cloud](https://info.teledynamics.com/blog/topic/cloud), [Unified Communications](https://info.teledynamics.com/blog/topic/unified-communications), [UCaaS](https://info.teledynamics.com/blog/topic/ucaas), [PoE](https://info.teledynamics.com/blog/topic/poe), [Power Management](https://info.teledynamics.com/blog/topic/power-management), [Network Infrastructure](https://info.teledynamics.com/blog/topic/network-infrastructure) ### Comments ## 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! ### Receive New Articles by Email ![BiBA-2017-silver-midres](https://info.teledynamics.com/hs-fs/hubfs/Teledynamics_August2024/Images/BiBA-2017-silver-midres.jpg?width=170&name=BiBA-2017-silver-midres.jpg "BiBA-2017-silver-midres") ### Recent Posts - [Grandstream GWN7673: Wi-Fi 7 performance without the 6 GHz band](https://info.teledynamics.com/blog/grandstream-gwn7673-wi-fi-7-performance-without-the-6-ghz-band) - [Yealink WH64 hits the sweet spot for business headsets](https://info.teledynamics.com/blog/yealink-wh64-hits-the-sweet-spot-for-business-headsets) - [Yeastar AI: from employee assistance to smart customer interactions](https://info.teledynamics.com/blog/yeastar-ai-from-employee-assistance-to-smart-customer-interactions) - [UC and VoIP auto-provisioning: common pitfalls to avoid](https://info.teledynamics.com/blog/uc-and-voip-auto-provisioning-common-pitfalls-to-avoid) - [Stop selling UC like a product: 7 mistakes to avoid](https://info.teledynamics.com/blog/stop-selling-uc-like-a-product-7-mistakes-to-avoid) ### Posts by Topic - 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