This might not be related to Kamailio but I thought someone would be able to give a hand in resolving dependency during the installation of rtpengine on Debian 8 Jessie.
root@debian-769mb-miami-01:/usr/src/rtpengine# dpkg-buildpackage
dpkg-buildpackage: source package ngcp-rtpengine
dpkg-buildpackage: source version 6.3.0.0+0~mr6.3.0.0
dpkg-buildpackage: source distribution unstable
dpkg-buildpackage: host architecture amd64
dpkg-source --before-build rtpengine
dpkg-source: info: using options from rtpengine/debian/source/options: --extend-diff-ignore=.gitreview
dpkg-checkbuilddeps: Unmet build dependencies: debhelper (>= 10~) libbcg729-dev
dpkg-buildpackage: warning: build dependencies/conflicts unsatisfied; aborting
dpkg-buildpackage: warning: (Use -d flag to override.)