Package: freeswitch*
Pin: version 1.10.3* 
Pin-Priority: 510

Package: postgresql-*-9.6 
Pin: version 9.6.18*
Pin-Priority: 510

Package: postgresql-*-common
Pin: version 215*
Pin-Priority: 510

Package: swig
Pin: version 3*
Pin-Priority: 510

Package: libsofia-sip*
Pin: release a=stable
Pin-Priority: 510