VISIONng is a non-profit making association dedicated to support its members for the deployment of worldwide inter-domain and multi-vendor IP Telephony services based primarily on the TIPHON / TISPAN  specifications.

The mission of VISIONng is to provide a framework for all the necessary measures to be taken by the signatories together to ensure the opening of a commercial global public IP-Telephony service in their respective countries or regions in 2001 and beyond.

TIPHON is currently being registered as a Trade Mark by ETSI for the benefit of its Members.
Board #43 approved the closure of TC SPAN and EP TIPHON.
The Board approved the creation of a new TC "TISPAN" to be responsible for all aspects of standardisation for present and future converged networks including the NGN.