Install libexosip2-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libexosip2-dev
Description:
eXtended osip library development files
Hides the complexity of using the SIP protocol for multimedia session establishment. This protocol is mainly to be used by VoIP telephony applications (endpoints or conference server) but might be also useful for any application that wish to establish sessions like multi-player games. . Development files for the eXtended osip library
Homepage: http://savannah.gnu.org/projects/exosip/
Version: 4.1.0-2.2~build1
Section: universe/libdevel