[sr-dev] indicating gruu support

[Juha Heinanen]

Daniel-Constantin Mierla writes:

> On the other hand, if the device doesn't understand gruu, it will just 
> ignore the temp/pub gruu addresses (they are header parameters) -- snom 
> does it since it implement an old draft of gruu (-02 according to their 
> wiki) , where only 'gruu' parameter was specified.

i agree that if ua does not support gruu, it can ignore the extra
params, but it is waste of proxy resources and increases packet size if
gruu params are included for vain.

-- juha