Rebuild Debian/Ubuntu binary package from source package

In short:

$ dpkg-source -x foo_version-revision.dsc
$ dpkg-buildpackage -rfakeroot -b

For more information see: How to: Recompiling / Rebuild Debian / Ubuntu Linux Binary Source File Packages.

Build OpenSIPS deb package from SVN. Step by step.

If you want to build OpenSIPS package for debian/ubuntu from svn, that this is post for you.

First, checkout OpenSIPS sourses from svn as described here.

For example, to download latest 1.6 branch do:
$ svn co https://opensips.svn.sourceforge.net/svnroot/opensips/branches/1.6 opensips

Enter opensips directory and move debian-directory on top-level:
$ cd opensips
$ ln -s packaging/debian debian

Increase the Debian release number:
$ debchange -i

Finally, build package:
$ debuild -us -uc

Debian packaging utilites can be installed with "sudo aptitude install devscripts build-essential fakeroot".