Install libopal-dbg by entering the following commands in the terminal:
sudo apt update sudo apt install libopal-dbg
Description:
OPAL library debug symbols
This package contains the shared and static debug symbols of the OPAL library. . 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/debug