Here you can find a web-based VoIP client that allows you to connect to your VoIP server directly from your web browser. This client utilizes the latest version of the SIP.js Library.
If you encounter issues with audio, such as not hearing the other person or them not hearing you, you may need to configure a TURN server. A TURN server helps with traversing firewalls and NATs to ensure proper audio transmission.
A reliable and free TURN service you can use is provided by Open Relay.
Alternatively, you can use dedicated software to connect to your VoIP server. However, this method requires port forwarding and involves a more complex setup process.