The User-Agent header can be used both
in requests and in responses. Table 3 of the
RFC does not restrict this header to only
requests (the "where" column is empty for this
header). So you can insert the header even in
responses to indicate the UAS originating the
response.

Subhash.



                                                                           
             MasashiYamamoto                                               
             <[EMAIL PROTECTED]                                             
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                                       [Sip-implementors] User-Agent on    
                                       UAS                                 
             06/21/04 12:51 PM                                             
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           




I'm trying to get about Information about UAs(UAC,UAS)
(Including Software Version etc..)

RFC3261(20.41) says
The User-Agent header field contains information about the UAC
originating the request.

Mustn't responses (200 etc..) contain User-Agent header?

Or how can the information about UAs(especially about UAS)
be acquired?

Thanks in advance,
Masashi Yamamoto


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