Unable to upgrade

I am currently due for an upgrade with Vodacom. Recently,just last week, I was able to process an application on line without speaking to a sales consultant.<br> <br> On my profile on Myvodacom portal, the system suggests that I qualify for specific cellphones. When I click on the green \ Upgrade on-line"iconhe stupd system transfers me to a \""call me back\"" page. I dont want to be called back"