Install kamailio-websocket-modules by entering the following commands in the terminal:
sudo apt update sudo apt install kamailio-websocket-modules
Description:
WebSocket module for the Kamailio SIP server
Kamailio is a very fast and flexible SIP (RFC3261) server. Written entirely in C, Kamailio can handle thousands calls per second even on low-budget hardware. . This package contains the module implementing WebSocket transport layer for use in SIP over WebSockets, in combination with WebRTC media sessions..
Homepage: http://www.kamailio.org/
Version: 5.1.2-1ubuntu2
Section: universe/net