MIME media types for DPNSS Objects in SIP {draft-mukundan-sipping-dpnss-02.txt : R Mukundan, V Seshasayee/ K Morneault/ R Shiroor/ N Mangalpally/ S Naganathan
... NZ, Australia, India and parts of NA; ISDN-like; similar to QSIG (Europe/Germany) ... would be almost impossible to map every detail of DPNSS to SIP (as is ...