RE: [Enum] [Fwd: RFC 4238 on Voice Message Routing Service]

["Creighton, Tom" <[e-mail]>]

>From section 2.2 of RFC 4238:

>   Example:
>
>         Query: 2.1.2.1.5.5.5.3.1.6.1.e164.arpa
>         Responses:
>           IN NAPTR  10 10 "U" "E2U+VPIM:LDAP" \
>            "!^.*$!ldap://vdir1.Zcorp.com/telephoneNumber=\1!" .
>
>           IN NAPTR  10 20 "U" " E2U+VPIM:LDAP" \
>            "!^.*$!ldap://vdir2.Zcorp.com/telephoneNumber=\1!" .


It appears that a backref expression is being used in the repl portion
of the substitution expression.  Since the ERE section of the
substituion expression is not enclosed by '(' and ')', it doesn't appear
to be a properly formatted substituion expression.  

If the desired result is to have the '\1' replaced by original telephone
number used in the query, then the regular expression would have to look
like one of the following:

           IN NAPTR  10 10 "U" "E2U+VPIM:LDAP" \
            "!(^.*$)!ldap://vdir1.Zcorp.com/telephoneNumber=\1!" .

Which would result in:

		ldap://vdir1.Zcorp.com/telephoneNumber=[phone]

Or:

           IN NAPTR  10 10 "U" "E2U+VPIM:LDAP" \
            "!^+(.*)$!ldap://vdir1.Zcorp.com/telephoneNumber=\1!" .

Which would result in:

		ldap://vdir1.Zcorp.com/telephoneNumber=16135551212

Regards,

Tom


-----Original Message-----
From: [e-mail] [mailto:[e-mail]] On Behalf Of
Richard Shockey
Sent: Monday, October 31, 2005 9:22 PM
To: '[e-mail]'
Subject: [Enum] [Fwd: RFC 4238 on Voice Message Routing Service]

FYI

-------- Original Message --------
Subject: RFC 4238 on Voice Message Routing Service
Date: Mon, 31 Oct 2005 16:56:33 -0800
From: [e-mail]
To: [e-mail]
CC: [e-mail], [e-mail]


A new Request for Comments is now available in online RFC libraries.


         RFC 4238

         Title:      Voice Message Routing Service
         Author(s):  G. Vaudreuil
         Status:     Standards Track
         Date:       October 2005
         Mailbox:    [e-mail]
         Pages:      10
         Characters: 18902
         Updates/Obsoletes/SeeAlso:    None

         I-D Tag:    draft-ietf-vpim-routing-10.txt

         URL:        ftp://ftp.rfc-editor.org/in-notes/rfc4238.txt


Voice messaging is traditionally addressed using telephone number
addressing.  This document describes two techniques for routing
voice messages based on a telephone number.  The complete service
uses the Voice Profile for Internet Mail (VPIM) Directory service to
lookup a VPIM email address with a telephone number and confirm that
the address is both valid and associated with the intended recipient.
However, this service will take time to become widely deployed in the
near term.  This document also describes a basic send-and-pray service
that routes and delivers messages using only the ENUM telephone number
resolution service and the existing DNS mail routing facilities.

This document is a product of the Voice Profile for Internet Mail
Working Group of the IETF.

This is now a Proposed Standard Protocol.

This document specifies an Internet standards track protocol for
the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the
"Internet Official Protocol Standards" (STD 1) for the
standardization state and status of this protocol.  Distribution
of this memo is unlimited.

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Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute

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