* 仕様書

[REFS[
- [2] [CITE@en[RFC 3801 - Voice Profile for Internet Mail - version 2 (VPIMv2)]]
( ([TIME[2014-09-07 15:46:36 +09:00]] 版))
<https://tools.ietf.org/html/rfc3801#section-4.3.3>
- [3] 
[CITE@en[rfc3803]], [TIME[2021-06-11T05:32:22.000Z]] <https://datatracker.ietf.org/doc/html/rfc3803>
]REFS]


* BNF

;; RFC 2424, draft-ietf-vpim-vpimv2r2-dur-03 を元に作成。

[PRE[
 Content-Duration     = "Content-Duration:" SP duration [CFWS]
                      / obs-Content-Duration
 obs-Content-Duration = "Content-Duration" [FWS] ":" [CFWS] duration [CFWS]
 duration             = 1*10DIGIT	;; 1〜2147483647 (= 2^31-1)
]PRE]


* メモ

- <urn:ietf:id:draft-ietf-vpim-vpimv2r2-dur-03>


[1]
6月に [[RFC 3803]] が出て [[RFC 2424]] は obsolete になりました。

([[名無しさん]] [WEAK[2004-07-12 08:31:45 +00:00]])