Compatible Yealink Phones with Yeastar VoIP PBX Systems
July 19, 2016
VoLTE (Voice over LTE) is a technology that allows voice calls to be carried over a 4G LTE network instead of traditional voice networks like 2G or 3G. With its ability to deliver HD-quality voice, faster call setup times, and simultaneous voice and data usage, VoLTE is transforming mobile communication for both personal and business users.
This article explores how VoLTE works, its benefits, and how businesses—especially those using SIP or VoIP infrastructure—can leverage VoLTE for improved mobile voice quality and efficiency.
VoLTE stands for Voice over Long-Term Evolution, which is the protocol that enables voice services over a 4G LTE data network. Unlike legacy mobile calls that switch to 2G/3G networks, VoLTE allows both voice and data to travel over the same high-speed 4G network.
By utilizing LTE, VoLTE eliminates the need to switch between different mobile technologies during a call, leading to clearer audio and reduced call drop rates.
VoLTE uses IP-based packet switching for voice traffic, much like VoIP. However, it is specifically optimized for mobile LTE networks and typically integrated directly into the carrier’s infrastructure.
Calls are established through the IP Multimedia Subsystem (IMS), which manages call setup, routing, and quality of service (QoS). This ensures reliable voice quality and seamless integration with existing mobile data services.
Reliable Voice Quality: One of VoLTE’s most compelling advantages is its consistent and high-definition audio clarity. Because VoLTE operates over 4G LTE networks that are designed for high-speed data transmission, the voice packets are prioritized and transmitted more efficiently. This results in fewer dropped calls, minimal background noise, and a clearer overall experience—particularly important for professionals conducting client calls, video meetings, or remote check-ins while on the go.
Seamless Data Integration: Unlike traditional voice calls that force a device to switch to a 2G or 3G network, VoLTE allows both voice and data to remain active on the 4G LTE network simultaneously. This means users can speak on the phone while continuing to use mobile apps, browse the web, or navigate using GPS—all without interruption. This seamless integration is especially valuable for multitasking professionals and mobile teams who depend on uninterrupted connectivity to stay productive.
For businesses that rely on mobile connectivity, VoLTE offers a range of advantages that go beyond traditional voice calls. By operating entirely on 4G LTE networks, VoLTE brings enterprise-grade communication features to mobile devices, enhancing both performance and productivity.
While both VoLTE and VoIP transmit voice over data networks, they serve slightly different purposes. VoLTE is tailored for mobile voice communication, leveraging the carrier’s LTE network to ensure optimal call quality on smartphones. In contrast, VoIP uses any internet connection to enable voice communication across a range of devices, including desktops and IP phones. Understanding their respective roles can help businesses decide which solution—or combination—is best for their unique communication setup:
Feature | VoLTE | VoIP |
Network | Carrier LTE | Any IP network (Wi-Fi, Ethernet) |
Devices | Mobile phones | IP phones, softphones, desktops |
Setup | Managed by carrier | Requires PBX or VoIP platform |
Use Case | Mobile voice | Office or remote communication |
Quality | Optimized for mobile | Depends on internet quality |
VoLTE is best suited for users who rely heavily on mobile communication, especially when high call quality and multitasking are priorities. It ensures uninterrupted connectivity while on the move and integrates voice seamlessly with mobile data applications.
VoIP, on the other hand, is ideal for office or remote work environments where calls are handled via IP phones, desktops, or softphone apps. It offers flexibility, cost-effectiveness, and better integration with enterprise systems such as PBX and CRM platforms.
Choosing between VoLTE and VoIP depends on your business’s specific communication needs. In many cases, leveraging both technologies in a complementary way offers the best of both worlds.
Major carriers in Singapore like Singtel, StarHub, and M1 offer VoLTE services across the island. Businesses using mobile voice frequently—such as logistics, field service, and sales teams—can benefit from the higher call quality and reliability of VoLTE.
When integrated with SIP or unified communications platforms, VoLTE allows businesses to extend the benefits of enterprise-grade telephony to mobile users.
Not all phones support VoLTE. Ensure your device is VoLTE-enabled and supported by your carrier.
Yes, but it may revert to other technologies depending on the roaming agreement between carriers.
Yes. VoLTE uses carrier-grade encryption similar to 4G data services.
VoLTE bridges the gap between mobile convenience and voice quality—giving your business a clear edge in today’s fast-paced, mobile-first world.
By reducing call drops, enhancing audio clarity, and supporting multitasking, VoLTE ensures your team stays connected and professional on the move. Whether it’s field staff, customer service, or sales reps, better voice quality and faster connections create smoother conversations and stronger client relationships.
In short, VoLTE strengthens communication and boosts customer satisfaction—where it matters most.
To learn more about how VoLTE can complement your SIP or VoIP setup, contact us or visit our homepage.
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