To add a more specific version as `5.2.0-pre1` doesn't say much...:
``` root@sbc01:/var/tmp# dpkg -l | grep kam ii kamailio 5.2.0~pre1+0~20181020005754.1238+stretch amd64 very fast, dynamic and configurable SIP server ii kamailio-dbg:amd64 5.2.0~pre1+0~20181020005754.1238+stretch amd64 very fast and configurable SIP server [debug symbols] ii kamailio-extra-modules:amd64 5.2.0~pre1+0~20181020005754.1238+stretch amd64 Extra modules for the Kamailio SIP Server ii kamailio-geoip2-modules:amd64 5.2.0~pre1+0~20181020005754.1238+stretch amd64 The geoip2 module for the Kamailio SIP Server ii kamailio-mysql-modules:amd64 5.2.0~pre1+0~20181020005754.1238+stretch amd64 MySQL database connectivity module for Kamailio ii kamailio-outbound-modules:amd64 5.2.0~pre1+0~20181020005754.1238+stretch amd64 SIP Outbound module for the Kamailio SIP server ii kamailio-phonenum-modules:amd64 5.2.0~pre1+0~20181020005754.1238+stretch amd64 phonenum modules for the Kamailio SIP server ii kamailio-utils-modules:amd64 5.2.0~pre1+0~20181020005754.1238+stretch amd64 Utility functions for the Kamailio SIP server root@sbc01:/var/tmp# ```