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Re: [sipcore] sip-push Discussion Points - Adam's response code issue

Christer Holmberg <christer.holmberg@ericsson.com> Sun, 13 January 2019 13:34 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Roman Shpount <roman@telurix.com>
CC: Ben Campbell <ben@nostrum.com>, "sipcore@ietf.org" <sipcore@ietf.org>, "draft-ietf-sipcore-sip-push.all@ietf.org" <draft-ietf-sipcore-sip-push.all@ietf.org>
Thread-Topic: [sipcore] sip-push Discussion Points - Adam's response code issue
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Date: Sun, 13 Jan 2019 13:33:55 +0000
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Subject: Re: [sipcore] sip-push Discussion Points - Adam's response code issue
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Hi Roman,


The suggestion is to use RECOMMENDED for 404 and 480, but whatever the community decides...


Regards,


Christer


________________________________
From: Roman Shpount <roman@telurix.com>
Sent: Sunday, January 13, 2019 12:29 AM
To: Christer Holmberg
Cc: Ben Campbell; sipcore@ietf.org; draft-ietf-sipcore-sip-push.all@ietf.org
Subject: Re: [sipcore] sip-push Discussion Points - Adam's response code issue

On Sat, Jan 12, 2019 at 7:15 AM Christer Holmberg <christer.holmberg@ericsson.com<mailto:christer.holmberg@ericsson.com>> wrote:

-What is it about?

Adam indicated that the text is too strict (using MUST) regarding which error response codes to use (404 or 480). He suggested that the text can recommend usage of 404 or 480, and allow others. However, when sending an error response to a mid-dialog request, the proxy needs to take into consideration whether the response code only terminates the transaction, or the whole dialog usage.

-What do I think?

I have no problem with Adam's suggestion.

-What do I suggest?

Recommend usage of 404 or 480, but allow usage of others.

In the mid-dialog request section, add a reference to RFC 5057.


I agree. We should make usage of 404 or 480 a SHOULD, but allow proxy to send other errors.
_____________
Roman Shpount

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