Gerhard Ott is working with test specifications for IMS in ETSI TC INT. The focus is on SIP – ISUP interworking and IMS supplementary services. In ITU, Gerhard would promote the conformance test specification for IAD (POTS and ISDN) and an update of the ITU-T Q.1912.5. Gerhard is also active in the national German interconnection specification group and there he is the editor of the inter carrier test specification. Gerhard is working on the implementation of test specification with Tektronix Spectra2 and in the past with K1297 at Deutsche Telekom.
