RE: [Sip] SIPit 20 survey summary

["Brian Rosen" <br at brianrosen.net>]

I'd like to point out one thing about this:

> This is how they answered for multipart/mime:
>     2% I break if someone sends me multipart/mime
>    24% I pretend multipart/mime doesn't exist if someone sends it to me
>    24% I ignore multipart/mime but will proxy it or hand it to my
> application if it shows up
>    10% I try to do something useful with multipart/mime I receive,
> but I never send it
>     4% I ignore multipart/mime that I receive, but I try to do
> something useful with multipart/mime I send
>    24% I try to do something useful with multipart/mime I send and
> receive
>    12% Other

Moving forward, SIP UAs and proxies will be required to support
location-conveyance (currently draft-ietf-sip-location-conveyance-07) in
order to support location for emergency calls (citizen to authority, like
1-1-2 or
9-1-1).  -conveyance requires multipart support.  

The consequences of not supporting emergency call location will be serious.
I believe it is likely that there will eventually be regulatory requirements
to support emergency calls in some jurisdictions.  Upgrades to several
components of today's infrastructure will be needed before this all works,
but stack vendors and UA developers should put multipart (and
location-conveyance) on their development plans for next year at the latest.

Brian




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