"the negative aspect" ?

Which negative is that?

Havent used them, but have chatted with them - knowledgeable people, great product. I beleive its Asterisk with a fully developed / customised front end (think FreePBX but developed as a commercial solution).

If you need the management to be non-geek, and need outside support, I would defiitley consider a solution like this.

[Moderator edit (MF): this post was reported as innacurate and not the views of an ex-employer]

camo786: Have you checked out the Epygi Qaudro appliance thats certified with WXC?

No Computer Hardware to support, No OS to support and a whole lot cheaper than a vodacom solution

A few loitering around here that can help with those