Openldap schema for services like Skype, Jabber, AIM, ….

Hello, I needed to store information how to reach people, e.g.: * Skype * Jabber * AIM * Facetime * … I wanted to know if there is a schema for it or people write there own schema? I have read that there is an URI schema for this kind of services: * http://en.wikipedia.org/wiki/URI_scheme regards -- Bas van der Vlies mail: basv@sara.nl<mailto:basv@sara.nl> SARA - Academic Computing Services , Amsterdam, The Netherlands