Francois Audet wrote:
Yes, that's exactly my point. If you're given a SIPS URI, use
it. Don't downgrade to SIP. Ever. Not at a proxy, not at a
UA, not at a user.
I think everybody agrees on this.
So we are in agreement.
Well...
IMO its pointless to base any decisions on the assumption that everyone
will conform to the above.
It sounds good until a user with a UA that doesn't support sips wants to
call somebody that he only has a sips URI for. At that point his choices
are:
- give up
- try the downgraded URI
If there is *any* chance that downgrading will work then a lot of users
will try it. And even if there is *no* chance of it working some number
of users will try it. And its quite likely that often the downgrading
will be done by *mistake*, by somebody that does understand there is a
difference between sip and sips.
And it probably *will* work in a lot of cases, because a lot of people
will want to support both.
So, you can say that users SHOULD NOT do it, or MUST NOT do it, but
assume that it will be done anyway.
Paul
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