Hi - > From: "Iljitsch van Beijnum" <iljitsch@xxxxxxxxx> > To: "IETF Discussion Mailing List" <ietf@xxxxxxxx> > Sent: Wednesday, April 15, 2009 2:49 AM > Subject: Re: 75th IETF - Hotels ... > Do we have an RFC for how to format phone numbers? ITU E.123 would be what you want. http://www.itu.int/rec/T-REC-E.123-200102-I/e Clause 2.8 hints at those annoying parenthesized things, and 7.2 makes it clear it's not an appropriate notation for international numbers. Randy _______________________________________________ Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf