Loader
Quick troubleshooting checklist for WebRTC call failures

 

01/Aug/2025

Introduction: WebRTC Softphones Are Smart—Until They’re Not

By 2025, the usage of WebRTC softphone has become indispensable to any business and remote teamwork. The browser-based communication applications will allow you to place secure, voice, and video calls in real-time- no downloads, no desk phones, and the only thing one needs is the internet. And what occurs when they are suddenly left without work?

There will always be something wrong with it, whether it is no sound, no microphone found or connectivity problems and this most of the time only happens when it is most needed: when one has to make an outside call to a client. The silver lining? ??? Wahl, unimpressed by the contemporary drama in the mix, devised the plan of speeding up the processes in order to reduce the building down to a size that would fit in the village. Wahl, though, was never satisfied with the modern drama content in the brew as he plotted how to quicken up the operations so that the building can be reduced in size to be accommodated in the village. The short term solutions to most problems are readily available

This gives you instructions on how to troubleshoot WebRTC softphone problems in a span of not more than 5 minutes through simple, tried and tested steps. So you got what you need? Well, the following guide is easy to adapt to your Voizcall, custom Voice over Internet Protocol platform or even another softphone client, in order to never lose time and feel connected.

Common WebRTC softphone Problems and why they occur

The following are the most frequently reported issues that users are encountering on WebRTC-based softphones:

Call / Email for Sales Inquiry Today

No sound or microphone access

WebRTC call not connecting

Call drops after a few seconds

Echo or distorted voice during calls

Softphone app not detecting headset

Permission errors in browser

Network or NAT-related problems

These may take place because of browser permission, firewall setting, slow internet speed, or incapable devices.

Find WebRTC Softphone Problems Quickly (Less Than 5 Minutes)

And here is your fix-it checklist that can be applied to most any WebRTC softphone app:

1. Check Browser Permissions First

Go to settings in the browser (Chrome, Edge, Firefox, etc.)

Permission to access the microphone and camera should be granted to the softphone site (e.g. https://app.voizcall.com)

Refresh the site after changing the permissions

2. Use Google Chrome or Firefox (Latest Version)

WebRTC softphones work best on modern browsers

Avoid using Safari or outdated versions

Always update your browser before troubleshooting

3. Restart Your Audio Devices

Unplug your headset or microphone

Replug and set it as the default device

Restart your softphone or refresh the tab

 Wireless headphones? Make sure the Bluetooth is not switching between devices.

4. Test Your Internet Connection

It should use at least 5 Mbps upload/download speed

Prevents Wi-Fi congestion (pausing downloads, idle device disconnection)

Considering the use of wired connection to place stable calls

5. Clear Cache & Restart Softphone

Clear browser cache to reset WebRTC session data

Close all other tabs in browsers to minimize the CPU usage

Reload the softphone or your WebRTC Web app

6. Check for VPN or Firewall Conflicts

Some VPNs block WebRTC traffic

Disconnecting VPN enables you to test it temporarily

When you have a corporate network, request the IT department to open UDP ports and WebRTC signaling traffic

7. Use Voizcall Softphone Troubleshooter (Bonus Tip)

If you’re using Voizcall’s softphone, it includes a built-in diagnostics tool that detects:

Microphone issues

Codec mismatch

Firewall blocks

Connection timeouts

It’s accessible right from the Voizcall dashboard → SettingsTroubleshooter

Goodbye and Good Luck: Tech Glitches No Stopping You

Regular WebRTC softphones are secure, quick, and exactly what is required by the contemporary business communication, but even the most perfect tools are not always used. These are the steps that usually resolve most WebRTC problems within 5 minutes so that you can open your WebRTC application and start connecting with your team or clients or customers.

When you are using a provider such as the Voizcall, you already have one step forward. Their infrastructure is optimized with WebRTC, real time monitoring, and real time box troubleshooting in order to ensure your calls are smooth and never compromised.