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<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Actually we don’t use Cisco meet-me
conferencing feature. We use our own product. We make a product called WAVE
which runs on two servers associated to our CallManager cluster. One server is
in our <st1:City w:st="on">Amsterdam</st1:City> office and our other office is
in <st1:City w:st="on"><st1:place w:st="on">Seattle</st1:place></st1:City>. The
way we’ve got it set up each location calls into their local WAVE server
and the two WAVE servers connect to each other with a single, mixed audio
stream. This audio stream looks like a single for bandwidth purposes. To our
users at each location it looks like a single conference bridge. We can get two
hundred people in a conference call on each server at the same time but it only
takes up the bandwidth of a single call over the WAN. Also WAVE performs
automatic transcoding for G711, G729a, GSM, and others that Cisco IP Phones don’t
understand. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Cisco’s hardware DSPs are somewhat
brain dead when they are used for conferencing. That’s not what they were
designed for. It’s kind of a “it can also do conferencing thing”.
<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>--Scott</span></font><font color=navy><span
style='color:navy'><o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>Sent:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Wednesday,
February 16, 2005 4:27 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Scott Crosby;
cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [cisco-voip] Maximum
Ad Hoc Conference with 6608 and 4.1(2)</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I hear you about the crossing ports. From my discussions
with the TAC, before a conference call is assigned to a DSP, it has to have X
number of conference streams available where X is the Maximum Ad Hoc Conf
parameter value. So, if it is set to six, chances are pretty high that you may
have 5 unused channels on the DSP at any time.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks for your comments.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>-----
-----<br>
Lelio Fulgenzi,
B.A.
<a href="mailto:lelio@uoguelph.ca.eh">lelio@uoguelph.ca.eh</a><br>
Network Analyst (CCS)<br>
<st1:place w:st="on"><st1:PlaceType w:st="on">University</st1:PlaceType> of <st1:PlaceName
w:st="on">Guelph</st1:PlaceName></st1:place>
FAX:(519) 767-1060 JNHN<br>
<st1:City w:st="on">Guelph</st1:City>, <st1:State w:st="on"><st1:place w:st="on">Ontario</st1:place></st1:State>
N1G
2W1
TEL:(519) 824-4120 x56354<br>
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br>
remove the 1st letter of the canadian alphabet from my
email, eh!<o:p></o:p></span></font></p>
</div>
<blockquote style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>----- Original Message ----- <o:p></o:p></span></font></p>
</div>
<div style='font-color:black'>
<p class=MsoNormal style='background:#E4E4E4'><b><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial;font-weight:bold'>From:</span></font></b><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a
href="mailto:scott.crosby@twistpair.com" title="scott.crosby@twistpair.com">Scott
Crosby</a> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>To:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a
href="mailto:lelio@uoguelph.ca" title="lelio@uoguelph.ca">Lelio Fulgenzi</a> ; <a
href="mailto:cisco-voip@puck.nether.net" title="cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>
<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Sent:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> Wednesday,
February 16, 2005 6:31 PM<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Subject:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> RE: [cisco-voip]
Maximum Ad Hoc Conference with 6608 and 4.1(2)<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The conferencing capabilities of
CallManager along with their hardware DSP resources haven’t expanded
much. Supposedly, you can set parameters higher than 6 but Cisco TAC
doesn’t support it. I believe the issue with the hardware DSP resources
of the 6608 or an HDV-DSP farm module in a IOS router is that audio mixing
can’t cross DSP modules inside the platforms. That’s what limits
the max conference users. When the conference parameter is upped on the software
conference bridge on CallManager it can mix more than six but the higher you
set the value the more processing impact it has on that CallManager. Hence the
lack of TAC support for it, from what I understand. Also the software
conference bridge only supports the G711 codecs without a hardware transcoding
resource. Also the software conference bridge on CallManager can’t cross
servers to provide additional mixing so the conference has to live on one
server or the other at the time it starts.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I believe the parameter you are looking
are in Service>>Service Parameters>> Cisco CallManager>>
Maximum Ad Hoc Conference. The default value is four. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Cisco does offer a full fledged enterprise
conferencing solution to meet the needs of your users. It’s called <st1:Street
w:st="on"><st1:address w:st="on">Meeting Place</st1:address></st1:Street>,
it’s the Ferrari of conferencing but it’s got a Ferrari price.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Meeting Place<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><a
href="http://www.cisco.com/en/US/products/sw/ps5664/ps5669/">http://www.cisco.com/en/US/products/sw/ps5664/ps5669/</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I think Cisco also still sells Cisco
Conferencing Connection. It’s between CallManager native conferencing and
<st1:Street w:st="on"><st1:address w:st="on">Meeting Place</st1:address></st1:Street>.
It very limited, only supports G711 and in my opinion very buggy with poor
support from the TAC. I used to work for a premier integrator of Cisco IP Telephony
solutions who deployed this for a customer. We didn’t deploy it ever
again.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Cisco Conferencing Connection<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><a
href="http://www.cisco.com/en/US/products/sw/voicesw/ps752/">http://www.cisco.com/en/US/products/sw/voicesw/ps752/</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>--Scott</span></font><font color=navy><span
style='color:navy'><o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Lelio Fulgenzi<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, February 16, 2005
1:45 PM<br>
<b><span style='font-weight:bold'>To:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> [cisco-voip] Maximum Ad
Hoc Conference with 6608 and 4.1(2)</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I can see plain and simple from this <a
href="http://www.cisco.com/en/US/customer/products/sw/voicesw/ps556/products_administration_guide_chapter09186a008013937b.html#xtocid10">link</a>
, that the maximum number of conference participants per conference call is six
for v3.3(2).<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<blockquote style='margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<blockquote style='margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<blockquote style='margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<h3><a name=xtocid10><b><font size=4 face="Times New Roman"><span
style='font-size:13.5pt'>Conferencing Design Details</span></font></b></a><a
name=1025300></a><o:p></o:p></h3>
<p><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>The
following points summarize the design capabilities and requirements of the
CiscoCatalyst voice modules:<o:p></o:p></span></font></p>
<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l0 level1 lfo3'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Support exists for a maximum of six participants
per conference call. <o:p></o:p></span></font></li>
</ul>
</div>
</blockquote>
</blockquote>
</blockquote>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>However, the documentation for 4.1(2) is not as clear.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Does anyone have any idea what the maximum number of participants for a
6608 DSP is with 4.1(2)? Can you point me to the documentation that helps you
come to this number?<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>According to this <a
href="http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_administration_guide_chapter09186a00802e0692.html#wp1023249">link</a>,
it seems the maximum is 16.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<ul type=disc>
<li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
mso-list:l3 level1 lfo6'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>For a G.711 or G.723 conference—32
conferencing participants per physical port; maximum conference size of 16
participants <o:p></o:p></span></font></li>
</ul>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I am looking for the maximum value to enter in the<strong><b><font
face="Times New Roman">Maximum Ad Hoc Conference</font></b></strong>
CallManager service parameter.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>--------------------------------------------------------------------------------<br>
Lelio Fulgenzi, B.A.<br>
Network Analyst (CCS) * <st1:PlaceType w:st="on">University</st1:PlaceType> of <st1:PlaceName
w:st="on">Guelph</st1:PlaceName> * <st1:place w:st="on"><st1:City w:st="on">Guelph</st1:City>,
<st1:State w:st="on">Ontario</st1:State> <st1:PostalCode w:st="on">N1G 2W1</st1:PostalCode></st1:place><br>
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)<br>
<br>
"That's a UNIX book. Cool!" -- Garth <br>
--------------------------------------------------------------------------------<br>
<o:p></o:p></span></font></p>
</div>
</blockquote>
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