Install simpleopal by entering the following commands in the terminal:
sudo apt update sudo apt install simpleopal
Description:
Simple example from the OPAL project
This package contains a small H323 and SIP client given as an example. You can find its code on the doc package. . The OPAL project aims to create a full featured, interoperable, Open Source implementation of the H.323 and SIP protocols that can be used freely by everybody. These protocols are most used for Voice over IP (VoIP) conferencing.
Homepage: http://www.opalvoip.org/
Version: 3.10.10~dfsg2-2.1build2
Section: universe/comm