[SR-Users] NAPTR, SRV and sips vs. transport=tls

Andreas Granig agranig at sipwise.com
Mon Dec 3 10:43:52 CET 2012


Hi Klaus,

On 12/03/2012 10:15 AM, Klaus Darilion wrote:
> The request URI should look like the one which the user enters. E.g. if
> user enters "sip:12345 at example.com" then the request URI should be
> "sip:12345 at example.com" - regardless of the transport protocol chosen by
> the transport layer.
> 
> Thus, if NAPTR records tell you to use SIP over TLS, then use SIP over
> TLS but do not change the request URI.

So how should the NAPTR record look like if you want to use TLS with a
SIP URI? Would it still be SIPS+D2T, or could you use something like
SIP+D2T along with a replacement part "_sip._tcp.example.com;transport=tls"?

Andreas

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