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We are an open, non-profit making association formed in 2001 with a view to promote an open architecture for inter-domain and multi vendor IP telephony based on ETSI specifications.

In 2002 the International Country Code +878-10 was permanently delegated to VISIONng

The first production service was opened in June 2004 by Sentiro.

 
© 2017 www.visionng.com