Hi Mauro, VSA means Vendor Specific Attribute. Vendors can provide 'private' attribute value pairs (AVPs) that are only understood by their equipment so that you can send them information that is not supported natively by the standard RADIUS protocol. If the vendor of your device that would actually perform the header enrichment function can make a query to a RADIUS server based on some 'username' derived from the information available to it (would the user have to login via a web portal first?) then the RADIUS server could return attributes associated with that user. You could theoretically create 'groups' that relate to particular handsets/UA strings and return attributes based on that info, but you still have to have a username. Rgds, Guy On 29/02/2008, mauro <zedder_hallen@yahoo.it> wrote:

thanks , this can really helps my. So you suggest to investigate about supported RADIUS attributes admitelly I'm not ARADIUS expert and I don't know what VSA means. but I think we can procede togheter, also if we could find a way to introduce Freeradius into the Mobile Network. if you think we are OT please feel free to contact me privately to not disturb the list thanks very much

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If there is a RADIUS attribute/VSA that can be interpreted by the RADIUS client as containing the information required to enrich your headers, and the client then does the right thing with the Value of that AV pair, then yes, it can be done. If the RADIUS client cannot take the information from a specific AVP, then no it cannot be done without development work by your client vendor (nothing the server can do to force it).

Hope that helps,

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