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Re: [dispatch] draft-jesske-sipping-etsi-ngn-reason-04

Adam Roach <adam@nostrum.com> Tue, 10 November 2009 05:50 UTC

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Date: Tue, 10 Nov 2009 14:51:02 +0900
From: Adam Roach <adam@nostrum.com>
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To: Christer Holmberg <christer.holmberg@ericsson.com>
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Cc: dispatch@ietf.org, Gonzalo Camarillo <gonzalo.camarillo@ericsson.com>, R.Jesske@telekom.de
Subject: Re: [dispatch] draft-jesske-sipping-etsi-ngn-reason-04
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It was pointed out to me that this email was somewhat nonsensical to 
people who were not in attendance at the face-to-face meeting.

My point is that increasing the amount of ISUP information that we 
include in SIP message headers is going down a slippery slope, the 
ultimate conclusion of which is including SIP header fields for every 
ISUP parameter.

We have a means for sending ISUP fields transparently through a SIP 
network (RFC 3398). I think it's folly to revisit that set of decisions 
simply because someone wants a less-general point solution.

/a

On 11/10/09 11:04 AM, Adam Roach wrote:
> To clarify the point I was trying to make in the meeting today -- if 
> we've decided to go down this path, I'll save you the trouble of 
> creating the new ABNF for the new INVITE header fields. Here's what 
> they look like:
>
> Nature-Of-Connection-Indicators          = 
> "Nature-Of-Connection-Indicators"
>                                            HCOLON quoted-string
>
> Forward-Call-Indicators                  = "Forward-Call-Indicators"
>                                            HCOLON quoted-string
>
> Calling-Party's-Category                 = "Calling-Party's-Category"
>                                            HCOLON quoted-string
>
> Transmission-Medium-Requirement          = 
> "Transmission-Medium-Requirement"
>                                            HCOLON quoted-string
>
> Called-Party-Number                      = "Called-Party-Number"
>                                            HCOLON quoted-string
>
> Transit-Network-Selection                = "Transit-Network-Selection"
>                                            HCOLON quoted-string
>
> Call-Reference                           = "Call-Reference"
>                                            HCOLON quoted-string
>
> Calling-Party-Number                     = "Calling-Party-Number"
>                                            HCOLON quoted-string
>
> Optional-Forward-Call-Indicators         = 
> "Optional-Forward-Call-Indicators"
>                                            HCOLON quoted-string
>
> Redirecting-Number                       = "Redirecting-Number"
>                                            HCOLON quoted-string
>
> Redirection-Information                  = "Redirection-Information"
>                                            HCOLON quoted-string
>
> Closed-User-Group-Interlock-Code         = 
> "Closed-User-Group-Interlock-Code"
>                                            HCOLON quoted-string
>
> Connection-Request                       = "Connection-Request"
>                                            HCOLON quoted-string
>
> Original-Called-Number                   = "Original-Called-Number"
>                                            HCOLON quoted-string
>
> User-to-user-Information                 = "User-to-user-Information"
>                                            HCOLON quoted-string
>
> Access-Transport                         = "Access-Transport"
>                                            HCOLON quoted-string
>
> User-Service-Information                 = "User-Service-Information"
>                                            HCOLON quoted-string
>
> User-to-user-Indicators                  = "User-to-user-Indicators"
>                                            HCOLON quoted-string
>
> Generic-Number                           = "Generic-Number"
>                                            HCOLON quoted-string
>
> Propagation-Delay-Counter                = "Propagation-Delay-Counter"
>                                            HCOLON quoted-string
>
> User-Service-Information-Prime           = 
> "User-Service-Information-Prime"
>                                            HCOLON quoted-string
>
> Network-Specific-Facility                = "Network-Specific-Facility"
>                                            HCOLON quoted-string
>
> Generic-Digits                           = "Generic-Digits"
>                                            HCOLON quoted-string
>
> Origination-ISC-Point-Code               = "Origination-ISC-Point-Code"
>                                            HCOLON quoted-string
>
> User-Teleservice-Information             = "User-Teleservice-Information"
>                                            HCOLON quoted-string
>
> Remote-Operations                        = "Remote-Operations"
>                                            HCOLON quoted-string
>
> Parameter-Compatibility-Information      = 
> "Parameter-Compatibility-Information"
>                                            HCOLON quoted-string
>
> Generic-Notification-Indicator           = 
> "Generic-Notification-Indicator"
>                                            HCOLON quoted-string
>
> Service-Activation                       = "Service-Activation"
>                                            HCOLON quoted-string
>
> Generic-Reference                        = "Generic-Reference"
>                                            HCOLON quoted-string
>
> MLPP-Precedence                          = "MLPP-Precedence"
>                                            HCOLON quoted-string
>
> Transmission-Medium-Requirement-Prime    = 
> "Transmission-Medium-Requirement-Prime"
>                                            HCOLON quoted-string
>
> Location-Number                          = "Location-Number"
>                                            HCOLON quoted-string
>
> Forward-GVNS                             = "Forward-GVNS"
>                                            HCOLON quoted-string
>
> CCSS                                     = "CCSS"
>                                            HCOLON quoted-string
>
> Network-Management-Controls              = "Network-Management-Controls"
>                                            HCOLON quoted-string
>
> Circuit-Assignment-Map                   = "Circuit-Assignment-Map"
>                                            HCOLON quoted-string
>
> Correlation-Id                           = "Correlation-Id"
>                                            HCOLON quoted-string
>
> Call-Diversion-Treatment-Indicators      = 
> "Call-Diversion-Treatment-Indicators"
>                                            HCOLON quoted-string
>
> Called-IN-Number                         = "Called-IN-Number"
>                                            HCOLON quoted-string
>
> Call-Offering-Treatment-Indicators       = 
> "Call-Offering-Treatment-Indicators"
>                                            HCOLON quoted-string
>
> Conference-Treatment-Indicators          = 
> "Conference-Treatment-Indicators"
>                                            HCOLON quoted-string
>
> SCF-Id                                   = "SCF-Id"
>                                            HCOLON quoted-string
>
> UID-Capability-Indicators                = "UID-Capability-Indicators"
>                                            HCOLON quoted-string
>
> Echo-Control-Information                 = "Echo-Control-Information"
>                                            HCOLON quoted-string
>
> Hop-Counter                              = "Hop-Counter"
>                                            HCOLON quoted-string
>
> Collect-Call-Request                     = "Collect-Call-Request"
>                                            HCOLON quoted-string
>
> Application-Transport-Parameter          = 
> "Application-Transport-Parameter"
>                                            HCOLON quoted-string
>
> Pivot-Capability                         = "Pivot-Capability"
>                                            HCOLON quoted-string
>
> Called-Directory-Number                  = "Called-Directory-Number"
>                                            HCOLON quoted-string
>
> Original-Called-IN-Number                = "Original-Called-IN-Number"
>                                            HCOLON quoted-string
>
> Calling-Geodetic-Location                = "Calling-Geodetic-Location"
>                                            HCOLON quoted-string
>
> Network-Routing-Number                   = "Network-Routing-Number"
>                                            HCOLON quoted-string
>
> QoR-Capability                           = "QoR-Capability"
>                                            HCOLON quoted-string
>
> Pivot-Counter                            = "Pivot-Counter"
>                                            HCOLON quoted-string
>
> Pivot-Routing-Forward-Information        = 
> "Pivot-Routing-Forward-Information"
>                                            HCOLON quoted-string
>
> Redirect-Capability                      = "Redirect-Capability"
>                                            HCOLON quoted-string
>
> Redirect-Counter                         = "Redirect-Counter"
>                                            HCOLON quoted-string
>
> Redirect-Status                          = "Redirect-Status"
>                                            HCOLON quoted-string
>
> Redirect-Forward-Information             = "Redirect-Forward-Information"
>                                            HCOLON quoted-string
>
> Number-Portability-Forward-Information   =
>                                        
> "Number-Portability-Forward-Information"
>                                            HCOLON quoted-string
>
> Perhaps we can refine some the the quoted strings with tokens, but I 
> think this is a good start.
>
> /a
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