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I want to have my registered users be added to an address book to use it as a Contacts page on an intranet. This list should include a phone number/fax number/email/IM handle/job title/office... is there a way to make this?
There is a greater scope for usuer management in the xops 2.2x series, including customisable fileds such as you request here. Otherwise, look for membership modules, address modules, etc in 2.0.x series.