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Re: [sipcore] Session Timers (RFC 4028) for REFER, PUBLISH, MESSAGE not defined

Christer Holmberg <christer.holmberg@ericsson.com> Sun, 10 May 2020 13:35 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Samir Srivastava <srivastava_samir=40hush.com@dmarc.ietf.org>, "sipcore@ietf.org" <sipcore@ietf.org>
Thread-Topic: [sipcore] Session Timers (RFC 4028) for REFER, PUBLISH, MESSAGE not defined
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Date: Sun, 10 May 2020 13:35:48 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/sipcore/K1ctusSMNSqIhjUXPmc7eREBxZw>
Subject: Re: [sipcore] Session Timers (RFC 4028) for REFER, PUBLISH, MESSAGE not defined
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Hi Samir,

Note that there is work ongoing to create a new version of the session-timer specification, so this is one thing that could be clarified in the new spec.

Regards,

Christer

________________________________
From: sipcore <sipcore-bounces@ietf.org> on behalf of Samir Srivastava <srivastava_samir=40hush.com@dmarc.ietf.org>
Sent: Sunday, May 10, 2020 4:12 PM
To: sipcore@ietf.org <sipcore@ietf.org>
Subject: [sipcore] Session Timers (RFC 4028) for REFER, PUBLISH, MESSAGE not defined

Hi,

  The table mentioned in Section 4 in RFC 4028 does not contain entries for REFER, PUBLISH and MESSAGE methods Below is the table from Section 4



   +---------------+-----+-----+---+---+---+---+---+---+---+---+---+---+
   |     Header    |where|proxy|ACK|BYE|CAN|INV|OPT|REG|PRA|UPD|SUB|NOT|
   +---------------+-----+-----+---+---+---+---+---+---+---+---+---+---+
   |Session-Expires|  R  | amr | - | - | - | o | - | - | - | o | - | - |
   |               |     |     |   |   |   |   |   |   |   |   |   |   |
   |Session-Expires| 2xx | ar  | - | - | - | o | - | - | - | o | - | - |
   |               |     |     |   |   |   |   |   |   |   |   |   |   |
   |Min-SE         |  R  | amr | - | - | - | o | - | - | - | o | - | - |
   |               |     |     |   |   |   |   |   |   |   |   |   |   |
   |Min-SE         | 422 |     | - | - | - | m | - | - | - | m | - | - |
   +---------------+-----+-----+---+---+---+---+---+---+---+---+---+---+

  They are not applicable for these, but it would have been better if it is said categorically.

Thanks
Samir Srivastava

https://samirsrivastava.typepad.com/

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