Re: [sipcore] display-name ABNF rule is incorrect in RFC 3261
Paul Kyzivat <pkyzivat@alum.mit.edu> Fri, 11 January 2019 23:25 UTC
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From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Subject: Re: [sipcore] display-name ABNF rule is incorrect in RFC 3261
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On 1/11/19 4:21 PM, Roman Shpount wrote: > Hi All, > > The name-addr ABNF rule in RFC 3261 specifies: > > name-addr = [ display-name ] LAQUOT addr-spec RAQUOT > addr-spec = SIP-URI / SIPS-URI / absoluteURI > display-name = *(token LWS)/ quoted-string > > > Based on this, LWS is always required between token and the "<" and the > following Name-Address value is invalid: > > foo<sip:foo@bar.com <mailto:sip%3Afoo@bar.com>> > > At the same time https://tools.ietf.org/html/rfc3261#section-20.10 says: > > There may or may not be LWS between the display-name and the "<". Good catch. > This implies that foo<sip:foo@bar.com <mailto:sip%3Afoo@bar.com>> should > be acceptable. > > Based on this, should the display-name rule be updated to be: > > display-name = token *(LWS token)/ quoted-string > > > Should I file an errata or was this ever corrected in subsequent RFC? I'm not aware of this ever being corrected. Thanks, Paul
- [sipcore] display-name ABNF rule is incorrect in … Roman Shpount
- Re: [sipcore] display-name ABNF rule is incorrect… Roman Shpount
- Re: [sipcore] display-name ABNF rule is incorrect… Paul Kyzivat