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<title>RE: Private telephone number in H.323v4</title>
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<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Francois,<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>See
H.225.0 Section 7.2.2.4 (Called Party Number):<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal><i style='mso-bidi-font-style:normal'><font size=3
color=navy face="Times New Roman"><span style='font-size:12.0pt;color:navy;
font-style:italic'>Numbering plan identification (octet #3, bit 1-4)</span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></i></p>
<p class=enumlev1><font size=3 color=navy face=Symbol><span lang=EN-GB
style='font-size:12.0pt;font-family:Symbol;color:navy'><span style='mso-bidi-font-size:
10.0pt'>-<span style='mso-tab-count:1'> <FONT FACE="Courier New"></FONT> </span></span></span></font><font
color=navy><span lang=EN-GB style='color:navy'>Encoded following the values and
rules of Table 4-9/Q.931. If set to "1001" (Private Numbering Plan)
in a packet based network originated call, this indicates that (1)the E.164
address is not present in SETUP, and (2)the call will be routed via an alias
address in the user-to-user information.</span></font><font color=navy><span
lang=EN-GB style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>This says
that the identification of the Private Number Plan requires the call to be
routed based on an alias address in the UUI.<span style="mso-spacerun:
yes"> </span>This also means that the Private Number Plan cannot indicate
that a number conforming to a private numbering plan is present in the IE.<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>It is
possible to use the value indicating an Unknown Number Plan and place a private
number in the IE.<span style="mso-spacerun: yes"> </span>However, this is
only a digit string without any defined structure.<o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal><span class=EmailStyle20><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Bob<o:p></o:p></span></font></span></p>
<p class=MsoNormal style='mso-margin-top-alt:12.0pt'><!--[if supportFields]><span
class=EmailStyle20><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><span style='mso-element:
field-begin'></span><span style="mso-spacerun: yes"> </span>AUTOTEXTLIST
\s "E-mail Signature" <span style='mso-element:field-separator'></span></span></font></span><![endif]--><font
color=navy><span style='color:navy'>-------------------------------------------------------</span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color="#339966" face="Cló Gaelach (Twomey)"><span
style='font-size:12.0pt;font-family:"Cló Gaelach \(Twomey\)";color:#339966'>Robert
Callaghan<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=navy face="Times New Roman"><span
style='font-size:8.0pt;mso-bidi-font-size:12.0pt;color:navy'>Siemens Enterprise
Networks</span></font><font size=1 color=navy><span style='font-size:8.0pt;
mso-bidi-font-size:12.0pt;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=navy face="Times New Roman"><span
style='font-size:8.0pt;mso-bidi-font-size:12.0pt;color:navy'>Tel:<span
style="mso-spacerun: yes"> </span>+1.561.997-3756<span
style="mso-spacerun: yes"> </span>Fax:<span style="mso-spacerun:
yes"> </span>+1.561.997-3403</span></font><font size=1 color=navy><span
style='font-size:8.0pt;mso-bidi-font-size:12.0pt;color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=navy face="Times New Roman"><span
style='font-size:8.0pt;mso-bidi-font-size:12.0pt;color:navy'>Email:<span
style="mso-spacerun: yes"> </span><a
href="mailto:Robert.Callaghan@ICN.Siemens.com"><font size=3><span
style='font-size:12.0pt'>Robert.Callaghan@ICN.Siemens.com</span></font></a></span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'>--------------------------------------------------------</span></font><font
color=navy><span style='color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal><!--[if supportFields]><span class=EmailStyle20><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;mso-bidi-font-size:
12.0pt;font-family:Arial'><span style='mso-element:field-end'></span></span></font></span><![endif]--><span
class=EmailStyle20><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=black
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;color:black'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> Francois Audet
[mailto:audet@nortelnetworks.com]<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, June 20, 2001
1:40 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Callaghan, Robert; 'Glenn
FREUNDLICH (E-mail)'<br>
<b><span style='font-weight:bold'>Cc:</span></b> 'SG16 ITU-T (E-mail)'; 'Paul
JONES (E-mail)'<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: Private telephone
number in H.323v4</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></p>
<p style='margin-left:.5in'><font size=2 color=maroon face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:maroon'>Hi Bob,</span></font><font
color=black><span style='color:black'> </span></font><font color=black><span
style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p style='margin-left:.5in'><font size=2 color=maroon face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:maroon'>I'm not sure I
understand your point. </span></font><font color=black><span style='color:black;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p style='margin-left:.5in'><font size=2 color=maroon face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:maroon'>The way I read it now:</span></font><font
color=black><span style='color:black'> </span></font><font color=black><span
style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:1.0in;text-indent:-.25in;mso-list:l0 level1 lfo1;tab-stops:list 1.0in'><![if !supportLists]><font
size=2 color=black face=Symbol><span style='font-size:10.0pt;mso-bidi-font-size:
12.0pt;font-family:Symbol;color:black;mso-color-alt:windowtext'>·<font size=1
face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><![endif]><font size=2 color=maroon face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:maroon'>H.323 says "Put a
private number in the Q.931 IE"; and</span></font><font color=black><span
style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
margin-left:1.0in;text-indent:-.25in;mso-list:l0 level1 lfo1;tab-stops:list 1.0in'><![if !supportLists]><font
size=2 color=black face=Symbol><span style='font-size:10.0pt;mso-bidi-font-size:
12.0pt;font-family:Symbol;color:black;mso-color-alt:windowtext'>·<font size=1
face="Times New Roman"><span style='font:7.0pt "Times New Roman"'>
</span></font></span></font><![endif]><font size=2 color=maroon face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:maroon'>H.225.0 says "Put
a private number in the UUIE".</span></font><font color=black><span
style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:1.0in'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'><![if !supportEmptyParas]> <![endif]></span></font><font
color=black><span style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p style='margin-left:.5in'><font size=2 color=maroon face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:maroon'>Which one is it? I
think you are saying H.225.0 is right (I tend to agree and so does Paul). We
need to make sure everybody does (Glenn in particular), and H.323 should be
clarified, because I would assume most people who read it will think they are
supposed to put the IE in the Q.931 information element.</span></font><font
color=black><span style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p style='margin-left:1.0in'><font size=1 color=black face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:black'>-----Original
Message-----</span></font><font color=black><span style='color:black'> <br>
</span></font><b><font size=1 color=black face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:black;font-weight:bold'>From: </span></font></b><font
color=black><span style='color:black'> </span></font><font size=1 color=black
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:black'>Callaghan,
Robert [SMTP:Robert.Callaghan@icn.siemens.com]</span></font><font color=black><span
style='color:black'> <br>
</span></font><b><font size=1 color=black face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:black;font-weight:bold'>Sent: </span></font></b><font
color=black><span style='color:black'> </span></font><font size=1 color=black
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:black'>Wednesday,
June 20, 2001 05:00</span></font><font color=black><span style='color:black'> <br>
</span></font><b><font size=1 color=black face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:black;font-weight:bold'>To: </span></font></b><font
color=black><span style='color:black'> </span></font><font size=1 color=black
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:black'>Audet,
Francois [SC2:4K02:EXCH]; 'Glenn FREUNDLICH (E-mail)'</span></font><font
color=black><span style='color:black'> <br>
</span></font><b><font size=1 color=black face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:black;font-weight:bold'>Cc: </span></font></b><font
color=black><span style='color:black'> </span></font><font size=1 color=black
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:black'>'SG16
ITU-T (E-mail)'; 'Paul JONES (E-mail)'</span></font><font color=black><span
style='color:black'> <br>
</span></font><b><font size=1 color=black face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:black;font-weight:bold'>Subject: </span></font></b><font
color=black><span style='color:black'> </span></font><font size=1 color=black
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:black'>RE:
Private telephone number in H.323v4</span></font><font color=black><span
style='color:black'> </span></font><font color=black><span style='color:black;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p style='margin-left:1.0in'><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Francois,</span></font><font
color=black><span style='color:black'> <br>
</span></font><font size=2 color=navy face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:navy'> </span></font><font color=black><span
style='color:black'> <br>
</span></font><font size=2 color=navy face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:navy'>The problem is that both H.323 and H.225.0 state
that in the Q.931 elements used for "telephone numbers" the code
point indicating the presence of a private number is used to indicate that the
address is in the UUI. It is not possible to conform to this usage and to
use this value to indicate that the Q.931 element contains a private number.</span></font><font
color=black><span style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p style='margin-left:1.0in'><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'> </span></font><font
color=black><span style='color:black'> <br>
</span></font><font size=2 color=navy face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:navy'>Bob</span></font><font color=black><span
style='color:black'> <br>
</span></font><font color=navy face=Arial><span style='font-family:Arial;
color:navy'>-------------------------------------------------------</span></font><font
color=black><span style='color:black'> <br>
</span></font><font color="#339966" face="Cló Gaelach"><span style='font-family:
"Cló Gaelach";color:#339966'>Robert Callaghan</span></font><font color=black><span
style='color:black'> <br>
</span></font><font size=1 color=navy><span style='font-size:7.5pt;color:navy'>Siemens
Enterprise Networks</span></font><font color=black><span style='color:black'> <br>
</span></font><font size=1 color=navy><span style='font-size:7.5pt;color:navy'>Tel:
+1.561.997-3756 Fax: +1.561.997-3403</span></font><font
color=black><span style='color:black'> <br>
</span></font><font size=1 color=navy><span style='font-size:7.5pt;color:navy'>Email:
Robert.Callaghan@ICN.Siemens.com <<a
href="mailto:Robert.Callaghan@ICN.Siemens.com">mailto:Robert.Callaghan@ICN.Siemens.com</a>></span></font><font
color=black><span style='color:black'> <br>
</span></font><font color=navy><span style='color:navy'>--------------------------------------------------------</span></font><font
color=black><span style='color:black'> <br>
</span></font><font size=2 color=navy face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:navy'> </span></font><font color=black><span
style='color:black'> <br>
</span></font><font size=2 color=black face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;color:black'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> Francois Audet [<a
href="mailto:audet@nortelnetworks.com">mailto:audet@nortelnetworks.com</a>]<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, June 19, 2001 7:27
PM<br>
<b><span style='font-weight:bold'>To:</span></b> Callaghan, Robert; 'Glenn
FREUNDLICH (E-mail)'<br>
<b><span style='font-weight:bold'>Cc:</span></b> 'SG16 ITU-T (E-mail)'; 'Paul
JONES (E-mail)'<br>
<b><span style='font-weight:bold'>Subject:</span></b> Private telephone number
in H.323v4</span></font><font color=black><span style='color:black'> <br>
<br>
</span></font><font size=2 color=black face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:black'>Hi,</span></font><font color=black><span
style='color:black'> <br>
<br>
</span></font><font size=2 color=black face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:black'>I just realize a contradiction in H.323v4 and
H.225.0v4 concerning the encoding of "private telephone numbers"
(i.e., the type we all use at work):</span></font><font color=black><span
style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p style='margin-left:1.0in'><font size=2 color=black face=Symbol><span
style='font-size:10.0pt;font-family:Symbol;color:black'>·</span></font><font
size=1 color=black><span style='font-size:7.5pt;color:black'> </span></font><font
color=black><span style='color:black'> </span></font><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>H.225.0v4
says that "Private telephone numbers" shall be encoded in the UUIE as
private numbers, and NOT in the Q.931 information elements (Calling party IE,
etc.). Let's call this the "Bob method". See Table 18/H.225.0 Note 1.</span></font><font
color=black><span style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p style='margin-left:1.0in'><font size=2 color=black face=Symbol><span
style='font-size:10.0pt;font-family:Symbol;color:black'>·</span></font><font
size=1 color=black><span style='font-size:7.5pt;color:black'> </span></font><font
color=black><span style='color:black'> </span></font><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>H.323v4
says that the Q.931 information element is used for "telephone
numbers", and that the UUIE is used for things that are not telephone
numbers. Let's call this the "Glenn method". See H.323v4/7.8.2.1 and
7.8.2.2.</span></font><font color=black><span style='color:black;mso-color-alt:
windowtext'><o:p></o:p></span></font></p>
<p style='margin-left:1.0in'><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black'>There is no conflict with
both method for "public" telephone number, but there is a conflict
for "private" telephone numbers.</span></font><font color=black><span
style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>
<p style='margin-left:1.0in'><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'> <br>
</span></font><font size=2 color=black face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:black'>Which method is right, Bob's or Glenn's?</span></font><font
color=black><span style='color:black'> <br>
<br>
</span></font><font size=2 color=black face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:black'>----</span></font><font color=black><span
style='color:black'> <br>
</span></font><font size=2 color=black face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:black'>François AUDET, Nortel Networks</span></font><font
color=black><span style='color:black'> <br>
</span></font><u><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'><<a
href="mailto:audet@nortelnetworks.com">mailto:audet@nortelnetworks.com</a>></span></font></u><font
size=2 color=black face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:black'>, tel:+1 408 495 3756</span></font><font color=black><span
style='color:black'> <br>
</span></font><font color=black><span style='color:black;mso-color-alt:
windowtext'><o:p></o:p></span></font></p>
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