[sr-dev] [kamailio/kamailio] Incorrect translation of tel: uri to sip: uri in tel2sip() (#1173)

[Juha Heinanen]

Donald Carr writes:

> At the link below, you can go to 19.1.6. It is a very strange ordering
> giving priority to two parameters that should be first, if present.
> 
> https://www.ietf.org/rfc/rfc3261.txt
> 
> 19.1.6 Relating SIP URIs and tel URLs
> . . . . 
> ```
>    To mitigate this problem, elements constructing telephone-subscriber
>    fields to place in the userinfo part of a SIP or SIPS URI SHOULD fold
>    any case-insensitive portion of telephone-subscriber to lower case,
>    and order the telephone-subscriber parameters lexically by parameter
>    name, excepting isdn-subaddress and post-dial, which occur first and
>    in that order.  (All components of a tel URL except for future-
>    extension parameters are defined to be compared case-insensitive.)
> ```

OK, telephone world is very weird.

-- Juha