[SIPForum-techwg] Comment on Section 10.3.1.1 Default Calling LineID and Calling Name Presentation

[Spencer Dawkins]

Comment on Section 10.3.1.1 Default Calling Line ID and Calling Name PresentationI think that may be the case...

Spencer
  ----- Original Message ----- 
  From: Brian Lindsay 
  To: Spencer Dawkins ; Elwell, John ; techwg at sipforum.org 
  Sent: Wednesday, February 11, 2009 11:47 AM
  Subject: RE: [SIPForum-techwg] Comment on Section 10.3.1.1 Default Calling LineID and Calling Name Presentation


  Hi Spencer,

      Yes, this section deals with what is presented/provided towards the remote party, away from the SIP PBX. 

      So are you thinking that perhaps 10.3.1.1 (and 10.3.1.2 ?) should be removed as out of scope?

      Thanks
         Brian



----------------------------------------------------------------------------
    From: Spencer Dawkins [mailto:spencer at wonderhamster.org] 
    Sent: Wednesday, February 11, 2009 12:31 PM
    To: Lindsay, Brian (CAR:AR00); Elwell, John; techwg at sipforum.org
    Subject: Re: [SIPForum-techwg] Comment on Section 10.3.1.1 Default Calling LineID and Calling Name Presentation


    Hi, Brian and John,

    I'm sorry, I'm becoming confused.

    As I understand this text, it's telling the SP-SSE what to do with PAI/From on an INVITE it has received from a SIP-PBX within the trust domain, that it will forward AWAY from the SIP-PBX. That's not actually part of SIPconnect, is it?

    I think that's why I'm getting crossed up here...

    If I understand correctly, we're trying to cause the remote-end SIP UA to present something specific to the user, but that entity may not conform to SIPconnect, so wouldn't that presentation be subject to the variety of "caller id" presentation styles that Robert Sparks documented from a recent SIPit?

    Thanks,

    Spencer
      ----- Original Message ----- 
      From: Brian Lindsay 
      To: Elwell, John ; Spencer Dawkins ; techwg at sipforum.org 
      Sent: Tuesday, February 10, 2009 5:53 PM
      Subject: RE: [SIPForum-techwg] Comment on Section 10.3.1.1 Default Calling LineID and Calling Name Presentation


      Hi,

         Implicitly I believe the text is refering to how PAI would be handled/populated. So reworking the material to remove the "Calling Line ID and Calling Name" terminology and just describing handling/populating of PAI at the SP-SSE would be an option.

         Regards
            Brian



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        From: Elwell, John [mailto:john.elwell at siemens.com] 
        Sent: Tuesday, February 10, 2009 4:37 PM
        To: Spencer Dawkins; Lindsay, Brian (CAR:AR00); techwg at sipforum.org
        Subject: RE: [SIPForum-techwg] Comment on Section 10.3.1.1 Default Calling LineID and Calling Name Presentation


        Spencer,

        It would be an improvement, but I am still not sure what this means if the remote party is SIP.

        John



----------------------------------------------------------------------
          From: Spencer Dawkins [mailto:spencer at wonderhamster.org] 
          Sent: 10 February 2009 21:18
          To: Elwell, John; Brian Lindsay; techwg at sipforum.org
          Subject: Re: [SIPForum-techwg] Comment on Section 10.3.1.1 Default Calling LineID and Calling Name Presentation


          Hi, John,

          Just to be clear on what you're asking for - would this be more correct if each sentence ended "... as the Calling Line ID and Calling Name", deleting "for presentation to the user"?

          Thanks,

          Spencer
            ----- Original Message ----- 
            From: Elwell, John 
            To: Brian Lindsay ; Spencer Dawkins ; techwg at sipforum.org 
            Sent: Tuesday, February 10, 2009 2:52 PM
            Subject: RE: [SIPForum-techwg] Comment on Section 10.3.1.1 Default Calling LineID and Calling Name Presentation






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              From: techwg-bounces at sipforum.org [mailto:techwg-bounces at sipforum.org] On Behalf Of Brian Lindsay
              Sent: 09 February 2009 20:28
              To: Spencer Dawkins; techwg at sipforum.org
              Subject: [SIPForum-techwg] Comment on Section 10.3.1.1 Default Calling Line ID and Calling Name Presentation


              Hi, 

                Commnent on the Section 10.3.1.1      Default Calling Line ID and Calling Name Presentation (text below): 

                The section states that if there is no PAI, or the PAI is ignored, the From header MUST be used for Caller ID presentation to the remote user. There's no qualification on whether the From header represents an enterprise identity. This doesn't line up with a previous section (10.2.5 From header) which states: "If the From URI is not an Enterprise Public Identity, the Service Provider's ability to deliver this information as caller identification will depend on policy."

                Some suggested text below to address. 

                Thanks 
                   Brian 

                Current section: 

              10.3.1.1        Default Calling Line ID and Calling Name Presentation 

              On receiving an INVITE from a SIP-PBX inside the SP-SSE trust domain, the SP-SSE MUST use the identity asserted in the P-Asserted-Identity header as the Calling Line ID and Calling Name (aka calling name and number) for presentation to the remote user, unless privacy or a specific Calling Line ID and Calling Name Presentation is being requested by the SIP-PBX as described in the sections that follow.

              If no P-Asserted-Identity header is present, or if it is ignored because it was received from outside the SP-SSE trust domain, the SP-SSE MUST use the From header as the Calling Line ID and Calling Name for presentation to the remote user.  

                 Suggested text (last paragraph changed) 

              10.3.1.1        Default Calling Line ID and Calling Name Presentation 

              On receiving an INVITE from a SIP-PBX inside the SP-SSE trust domain, the SP-SSE MUST use the identity asserted in the P-Asserted-Identity header as the Calling Line ID and Calling Name (aka calling name and number) for presentation to the remote user, unless privacy or a specific Calling Line ID and Calling Name Presentation is being requested by the SIP-PBX as described in the sections that follow.

              If no P-Asserted-Identity header is present, or if it is ignored because it was received from outside the SP-SSE trust domain, and the From header contains an Enterprise Public identity, the SP-SSE MUST use the From header as the Calling Line ID and Calling Name for presentation to the remote user. Otherwise the SP-SSE MAY use a default Enterprise Public Identity as the Calling Line ID and Calling Name for presentation to the remote user
              [JRE]  What is meant by "for presentation to the remote user"? If the remote user is SIP, the SP will just send the From URI and optionally PAI to the UAS, and it is a matter for the UAS, not the SP, what gets presented to the user.

              John 
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