Install libsofia-sip-ua-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libsofia-sip-ua-dev
Sofia-SIP library development files
Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification. It can be used as a building block for SIP client software for uses such as VoIP, IM, and many other real-time and person-to-person communication services. . This package provides the headers and libraries needed to build applications against the Sofia-SIP library.