VoLTE in 4G and 5G Networks: What You Need to Know
In today’s mobile world, it’s not just about fast internet — high-quality calls are just as important. This is where the modern communication technology VoLTE comes in. It allows you to make phone calls over the 4G network and offers many benefits. In this article, you’ll learn everything you need to know about VoLTE, how it works on your phone, how to activate it with different providers, and what to keep in mind when it comes to 5G and roaming — so you’re always reachable.
Comparison of 4G VoLTE and VoLTE 5G-Compatible Mobile Subscriptions
If you want to take advantage of VoLTE benefits—such as crystal-clear voice quality, faster connection setup, and simultaneous browsing while on a call—it’s crucial to choose the right mobile subscription.
Below is a current overview of carefully selected Swiss mobile providers whose offers support VoLTE over 4G and, in some cases, already offer support for VoLTE over 5G. This ensures you’re well-connected today and prepared for the mobile future.
Comparison Table: Mobile Subscriptions with VoLTE Support
| Provider | Subscription Name | Data Volume | Calls & SMS | Contract Duration | Special Features |
|---|---|---|---|---|---|
| Salt | Start Max | 5 GB | Unlimited | 24 months | Most affordable option from Salt |
| Wingo | Fair Flat | Unlimited | Unlimited | 0 months | Exclusive to alao |
| yallo | Swiss | 6 GB | Unlimited | None | No contract commitment |
| M-Budget | Mobile Maxi | 8 GB | Unlimited | None | No contract commitment |
| TalkTalk | Swiss Platinum | Unlimited | Unlimited | 24 months | Includes 40 GB EU roaming per month |
| Quickline | Mobile M | 5 GB | Unlimited | 24 months | Most affordable option from Quickline |
What Is VoLTE and How Does It Work?
VoLTE stands for “Voice over LTE“, meaning voice calls are transmitted over the 4G/LTE network. Unlike traditional calls that often use 2G or 3G networks, VoLTE uses the significantly faster LTE network. This results in much better voice quality and quicker call setup times. Another benefit is that you can browse the web or check emails at high speed during a call — without slowing down your connection.
This means you can multitask effortlessly during a call, which boosts productivity and gives you more freedom. Here’s a summary of the key advantages in a handy table:
| Advantage | Description |
|---|---|
| HD Voice Quality | Clearer calls thanks to higher audio bandwidth |
| Faster Call Setup | Connections are established much more quickly |
| Simultaneous Data Use | Surf, stream or navigate while calling |
| More Stable Connection | More reliable than 3G/2G, especially in busy networks |
| Energy Efficient | Uses less battery than older network technologies |
How to Activate VoLTE with Your Provider
Wondering how VoLTE works with your provider? The good news is all major providers in Switzerland support this standard. All you need is a plan that supports VoLTE and a compatible phone. Once both are in place, you’re ready to enjoy 4G calls and all the benefits that come with them.
Step-by-Step Guide to Activating VoLTE
- Check if your phone is compatible: Not all phones support VoLTE.
- Update your smartphone: Make sure your device is running the latest software.
- Enable VoLTE in your phone’s settings:
For Android devices:- Go to Settings
- Select Connections or Network & Internet
- Tap Mobile Networks
- Enable VoLTE calls
- For iOS devices:
- Open Settings
- Go to Mobile Data, then Mobile Data Options
- Tap Enable LTE, then select Voice & Data
- Restart your phone: This ensures the new settings are applied.
If you still only get 3G service after these steps, it’s a good idea to contact your provider’s support team.
VoLTE in 4G Networks – Why It’s Becoming the Standard
As 4G/LTE networks become more widespread, VoLTE is set to become the new standard for voice services. The main reasons: improved call quality and faster connections compared to older technologies. 4G VoLTE also provides more stable connections — particularly useful in crowded areas. Plus, it’s more energy-efficient and helps extend your phone’s battery life.
VoLTE in 5G Networks – What You Should Know
With the rise of 5G, people are wondering how VoLTE fits in. Currently, many mobile providers still rely on VoLTE for voice calls, even on 5G networks. However, “Voice over 5G” (Vo5G) is expected to take over eventually. For now, you’ll continue to enjoy VoLTE benefits while the transition to Vo5G happens gradually. It’s a good idea to regularly check your network coverage to ensure you’re using the best available technology and avoid any unpleasant surprises when switching networks.
VoLTE While Roaming – Is It Possible?
A common question is whether VoLTE works abroad. The answer: it depends. Not all foreign network providers support VoLTE for roaming customers. Your home provider might have specific agreements with certain foreign networks that allow VoLTE roaming. It’s best to check with your provider before traveling to see if and where VoLTE roaming is supported. Alternatively, consider using a local SIM card or Wi-Fi calling abroad to maintain good call quality and enjoy your usual services.
Here’s a quick overview of VoLTE usage abroad:
| Question | Answer |
|---|---|
| Does VoLTE work abroad? | Not always — depends on the partner network in the destination country |
| Does Sunrise support VoLTE roaming? | Yes, but only in selected countries — check the Sunrise website |
| Alternatives if it doesn’t work? | Wi-Fi calling or local SIM cards for better quality |
| Extra cost for VoLTE abroad? | According to your roaming plan — no extra charges just for VoLTE |
Conclusion
VoLTE offers many benefits: better voice quality, faster call setup, and the ability to surf the web while talking — all with lower battery consumption. It’s easy to activate and brings noticeable improvements to your mobile experience. Even with the rise of 5G, VoLTE remains a key technology, helping bridge the gap to newer standards. It’s definitely worth enabling VoLTE to get the most out of your mobile service.
Frequently Asked Questions about VoLTE on 4G and 5G
VoLTE stands for “Voice over LTE” — phone calls are made via the 4G/LTE network. The benefits: better voice quality (HD Voice), faster connections, and simultaneous use of voice and data, all while using less battery than 3G.
VoLTE is usually activated automatically if your device and SIM card are compatible. If not, you can activate it as follows:
• Android: Settings > Connections > Mobile Networks > Enable “VoLTE calls”
• iPhone: Settings > Mobile Data > Options > Enable “4G” > Choose “Voice & Data”
Not always. VoLTE roaming depends on the local network provider. Sunrise supports VoLTE roaming in more and more countries, but it’s not available everywhere.
No, VoLTE is independent of 5G. However, if you want to make voice calls on a 5G-capable phone using LTE, VoLTE is required — otherwise, your phone may fall back to 3G or 2G.
Most modern smartphones (e.g. iPhones from iPhone 6, Samsung Galaxy from S6, Huawei, Xiaomi, etc.) support VoLTE with Sunrise. You’ll find a compatibility list on Sunrise’s website.
“Regular” calls go over 2G or 3G networks. VoLTE uses the faster 4G network, resulting in clearer voice quality and faster call setup.
VoLTE is usually activated automatically if your phone and SIM are compatible. But you can check manually in your device settings.
No, VoLTE does not incur additional charges. Calls are billed like any other according to your plan.
Possible reasons include: your phone doesn’t support VoLTE, your software is outdated, VoLTE is disabled in settings, your SIM is too old, or you’re outside LTE coverage.
Yes, all major providers in Switzerland support VoLTE. However, device compatibility and availability may vary. It’s worth checking with your specific provider.
