<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40">

<head>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<!--[if !mso]>
<style>
v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
..shape {behavior:url(#default#VML);}
</style>
<![endif]--><o:SmartTagType
 namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PostalCode"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
 name="Street"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
 name="country-region"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
 name="address"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
 name="City"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
 name="place"/>
<!--[if !mso]>
<style>
st1\:*{behavior:url(#default#ieooui) }
</style>
<![endif]-->
<style>
<!--
 /* Font Definitions */
 @font-face
        {font-family:Wingdings;
        panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
        {font-family:Tahoma;
        panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
        {font-family:"Z\@R44A\.tmp";
        panose-1:0 0 0 0 0 0 0 0 0 0;}
@font-face
        {font-family:"Z\@R44A\.tmpOOEnc";
        panose-1:0 0 0 0 0 0 0 0 0 0;}
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:Tahoma;}
a:link, span.MsoHyperlink
        {color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {color:purple;
        text-decoration:underline;}
span.emailstyle17
        {font-family:Arial;
        color:windowtext;}
span.EmailStyle18
        {mso-style-type:personal-reply;
        font-family:Arial;
        color:navy;}
@page Section1
        {size:595.3pt 841.9pt;
        margin:1.0in 1.25in 1.0in 1.25in;}
div.Section1
        {page:Section1;}
 /* List Definitions */
 @list l0
        {mso-list-id:2002419082;
        mso-list-type:hybrid;
        mso-list-template-ids:1716698836 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l0:level1
        {mso-level-number-format:bullet;
        mso-level-text:\F0B7;
        mso-level-tab-stop:.5in;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Symbol;}
@list l0:level2
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:1.0in;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:"Courier New";}
ol
        {margin-bottom:0in;}
ul
        {margin-bottom:0in;}
-->
</style>
<!--[if gte mso 9]><xml>
 <o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
 <o:shapelayout v:ext="edit">
  <o:idmap v:ext="edit" data="1" />
 </o:shapelayout></xml><![endif]-->
</head>

<body lang=EN-US link=blue vlink=purple>

<div class=Section1>

<p class=MsoNormal style='text-autospace:none'><font size=2 face="Z@R44A.tmp"><span
style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Nick,<o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 face="Z@R44A.tmp"><span
style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 face="Z@R44A.tmp"><span
style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>This is from the GWGK
course book:<o:p></o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><b><font size=2 face="Z@R44A.tmp"><span
style='font-size:11.0pt;font-family:"Z\@R44A\.tmp";font-weight:bold'><o:p>&nbsp;</o:p></span></font></b></p>

<p class=MsoNormal style='text-autospace:none'><b><font size=2 face="Z@R44A.tmp"><span
style='font-size:11.0pt;font-family:"Z\@R44A\.tmp";font-weight:bold'>Using
H.323 as the call control protocol to a gateway has the following advantages:<o:p></o:p></span></font></b></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 face="Z@R44A.tmp"><span
style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'><o:p>&nbsp;</o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>H.323
     provides integrated access. Data and voice channels can be placed on the
     same T1.<o:p></o:p></span></font></li>
</ul>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>For
example, for a service provider like AT&amp;T, FR and PRI can be placed on the
same T1.<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>H.323
     provides support for fractional PRI.<o:p></o:p></span></font></li>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Gateways
     support caller ID on FXO ports. CallManager does not support caller ID on
     FXO<o:p></o:p></span></font></li>
</ul>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>ports
from MGCP gateways.<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmpOOEnc"><span style='font-size:11.0pt;font-family:
     "Z\@R44A\.tmpOOEnc"'>Many more TDM interface types and signaling protocols</span></font><font
     size=2 face=Arial><span style='font-size:11.0pt;font-family:Arial'>&#8212;</span></font><font
     size=2 face="Z@R44A.tmpOOEnc"><span style='font-size:11.0pt;font-family:
     "Z\@R44A\.tmpOOEnc"'>for example, analog-Direct<o:p></o:p></span></font></li>
</ul>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Inward
Dialed (DID), recEive and transMit (E&amp;M), T1 Feature Group-D (FGD), and E1<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmpOOEnc"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmpOOEnc"'>R2</span></font><font
size=2 face=Arial><span style='font-size:11.0pt;font-family:Arial'>&#8212;</span></font><font
size=2 face="Z@R44A.tmpOOEnc"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmpOOEnc"'>can
be used.<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>H.323
     drops DSPs on hairpinned calls to enable capabilities like ISDN video
     switching.<o:p></o:p></span></font></li>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Gateway
     resident applications like Toolkit Command Language (TCL) and voice<o:p></o:p></span></font></li>
</ul>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>extensible
markup language (VXML) can be used. TCL and VXML applications provide<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>IVR
features and call control functionality such as call forwarding, conference
calling, and<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>voice
mail.<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>CAC
     network design with H.323 gatekeepers is often necessary when voice and
     video<o:p></o:p></span></font></li>
</ul>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>coexist
in a network and Cisco CallManager is not the only call controller in the
network.<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>There
     are no release dependencies between gateways and Cisco CallManager for<o:p></o:p></span></font></li>
</ul>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>supporting
new voice hardware. New hardware cards on Cisco IOS gateways become<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>immediately
available for use with all existing Cisco CallManager releases.<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>H.323
     enables a much easier migration architecture to SIP because the
     fundamental<o:p></o:p></span></font></li>
</ul>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmpOOEnc"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmpOOEnc"'>concepts
of H.323 and SIP</span></font><font size=2 face=Arial><span style='font-size:
11.0pt;font-family:Arial'>&#8212;</span></font><font size=2 face="Z@R44A.tmpOOEnc"><span
style='font-size:11.0pt;font-family:"Z\@R44A\.tmpOOEnc"'>for example,
distributed control with dial-peer<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmpOOEnc"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmpOOEnc"'>configurations</span></font><font
size=2 face=Arial><span style='font-size:11.0pt;font-family:Arial'>&#8212;</span></font><font
size=2 face="Z@R44A.tmpOOEnc"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmpOOEnc"'>are
the same.<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Calls
     from IP phones through an H323 gateway are dropped on a CallManager
     failover<o:p></o:p></span></font></li>
</ul>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>unless
SRST mode is enabled. With SRST enabled, the calls are preserved.</span></font><font
size=2 face="Z@R44A.tmp"><span style='font-size:10.0pt;font-family:"Z\@R44A\.tmp"'><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>&nbsp;</o:p></span></font></p>

<p class=MsoNormal style='text-autospace:none'><b><font size=2 face="Z@R44A.tmp"><span
style='font-size:11.0pt;font-family:"Z\@R44A\.tmp";font-weight:bold'>Using MGCP
as the call control protocol to a gateway has the following advantages:<o:p></o:p></span></font></b></p>

<p class=MsoNormal style='text-autospace:none'><font size=2 face="Z@R44A.tmp"><span
style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'><o:p>&nbsp;</o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Centralized
     configuration, control, and download from Cisco CallManager<o:p></o:p></span></font></li>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Better
     feature interaction with capabilities like caller ID and name display<o:p></o:p></span></font></li>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Easy,
     centralized dial-plan management<o:p></o:p></span></font></li>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Gateway
     voice security features (voice encryption) as of Cisco IOS Software
     Release<o:p></o:p></span></font></li>
</ul>

<p class=MsoNormal style='margin-left:.25in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>12.3.(5</span></font><font
size=1 face="Z@R44A.tmp"><span style='font-size:7.0pt;font-family:"Z\@R44A\.tmp"'>th</span></font><font
size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>)T<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Q
     Signaling (QSIG) supplementary services as supported by Cisco CallManager:<o:p></o:p></span></font></li>
 <ul style='margin-top:0in' type=circle>
  <li class=MsoNormal style='mso-list:l0 level2 lfo1;text-autospace:none'><font
      size=2 face=Arial><span style='font-size:11.0pt;font-family:Arial'>&#8212;</span></font><font
      size=2 face="Z@R44A.tmpOOEnc"><span style='font-size:11.0pt;font-family:
      "Z\@R44A\.tmpOOEnc"'> </span></font><font size=2 face="Z@R44A.tmp"><span
      style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Cisco CallManager
      interconnects to a QSIG network using an MGCP gateway and<o:p></o:p></span></font></li>
 </ul>
</ul>

<p class=MsoNormal style='margin-left:.5in;text-indent:.5in;text-autospace:
none'><font size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:
"Z\@R44A\.tmp"'>T1 or E1 PRI connections to a private integrated services
network (PISN). The<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:.5in;text-autospace:
none'><font size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:
"Z\@R44A\.tmp"'>MGCP gateway establishes the call connections. Using the PRI
backhaul<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:.5in;text-autospace:
none'><font size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:
"Z\@R44A\.tmp"'>mechanism, the gateway passes the QSIG messages to the Cisco
CallManager to set<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:.5in;text-autospace:
none'><font size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:
"Z\@R44A\.tmp"'>up QSIG calls and send QSIG messages to control features.<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <ul style='margin-top:0in' type=circle>
  <li class=MsoNormal style='mso-list:l0 level2 lfo1;text-autospace:none'><font
      size=2 face=Arial><span style='font-size:11.0pt;font-family:Arial'>&#8212;</span></font><font
      size=2 face="Z@R44A.tmpOOEnc"><span style='font-size:11.0pt;font-family:
      "Z\@R44A\.tmpOOEnc"'> </span></font><font size=2 face="Z@R44A.tmp"><span
      style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>When a PBX is
      connected to a gateway that is using QSIG via H.323, calls that are<o:p></o:p></span></font></li>
 </ul>
</ul>

<p class=MsoNormal style='margin-left:.5in;text-indent:.5in;text-autospace:
none'><font size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:
"Z\@R44A\.tmp"'>made between phones on the PBX and IP phones attached to the
Cisco CallManager<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:.5in;text-autospace:
none'><font size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:
"Z\@R44A\.tmp"'>can have only basic PRI functionality. The gateway that
terminates the QSIG<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:.5in;text-autospace:
none'><font size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:
"Z\@R44A\.tmp"'>protocol provides only the calling line ID (CLID) and DID
number, instead of Cisco<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:.5in;text-autospace:
none'><font size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:
"Z\@R44A\.tmp"'>CallManager providing that information.<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <li class=MsoNormal style='mso-list:l0 level1 lfo1;text-autospace:none'><font
     size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Enhanced
     call survivability:<o:p></o:p></span></font></li>
 <ul style='margin-top:0in' type=circle>
  <li class=MsoNormal style='mso-list:l0 level2 lfo1;text-autospace:none'><font
      size=2 face=Arial><span style='font-size:11.0pt;font-family:Arial'>&#8212;</span></font><font
      size=2 face="Z@R44A.tmpOOEnc"><span style='font-size:11.0pt;font-family:
      "Z\@R44A\.tmpOOEnc"'> </span></font><font size=2 face="Z@R44A.tmp"><span
      style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Calls from IP phones
      through an MGCP gateway are preserved on a CallManager<o:p></o:p></span></font></li>
 </ul>
</ul>

<p class=MsoNormal style='margin-left:.75in;text-indent:.25in;text-autospace:
none'><font size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:
"Z\@R44A\.tmp"'>failover. This feature avoids dropped calls when applying the
monthly operating<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:.5in;text-autospace:
none'><font size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:
"Z\@R44A\.tmp"'>system service release on the Cisco CallManagers<o:p></o:p></span></font></p>

<ul style='margin-top:0in' type=disc>
 <ul style='margin-top:0in' type=circle>
  <li class=MsoNormal style='mso-list:l0 level2 lfo1;text-autospace:none'><font
      size=2 face=Arial><span style='font-size:11.0pt;font-family:Arial'>&#8212;</span></font><font
      size=2 face="Z@R44A.tmpOOEnc"><span style='font-size:11.0pt;font-family:
      "Z\@R44A\.tmpOOEnc"'> </span></font><font size=2 face="Z@R44A.tmp"><span
      style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>In SRST mode, calls
      from IP phones through an MGCP gateway are preserved on<o:p></o:p></span></font></li>
 </ul>
</ul>

<p class=MsoNormal style='margin-left:.5in;text-indent:.5in;text-autospace:
none'><font size=2 face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:
"Z\@R44A\.tmp"'>MGCP fallback for calls on analog or CAS circuits. Calls on
ISDN circuits are<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:1.0in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>dropped
on fallback.<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:1.0in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>HTH&#8217;s<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-autospace:none'><font size=2
face="Z@R44A.tmp"><span style='font-size:11.0pt;font-family:"Z\@R44A\.tmp"'>Joe<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>&nbsp;</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>&nbsp;</o:p></span></font></p>

<div>

<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>

<hr size=2 width="100%" align=center tabindex=-1>

</span></font></div>

<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-weight:bold'>From:</span></font></b><font size=2><span style='font-size:
10.0pt'> cisco-voip-bounces@puck.nether.net
[mailto:cisco-voip-bounces@puck.nether.net] <b><span style='font-weight:bold'>On
Behalf Of </span></b>Nick Kassel<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, August 30, 2006
10:35 AM<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] MGCP vs H323</span></font><font
face="Times New Roman"><span style='font-family:"Times New Roman"'><o:p></o:p></span></font></p>

</div>

<p class=MsoNormal><font size=3 face=Tahoma><span style='font-size:12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Does anyone know if there is a document that lists
the differences or benefits of using either MGCP or H323.</span></font><span
lang=EN-GB><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font><span lang=EN-GB><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>I need to install a gateway for PSTN breakout in a DR
site so it won&#8217;t be needed for redundancy or anything like that. </span></font><span
lang=EN-GB><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font><span lang=EN-GB><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>All our branch offices currently use H323 and we have
H323 for our HQ so that they can be used for redundancy should be an issue with
the local branch PSTN. </span></font><span lang=EN-GB><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font><span lang=EN-GB><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Just wondering whether it might be better to go with
MGCP in this instance.</span></font><span lang=EN-GB><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font><span lang=EN-GB><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Is it easier to mask the calling numbers with MGCP?</span></font><span
lang=EN-GB><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font><span lang=EN-GB><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;</span></font><span lang=EN-GB><o:p></o:p></span></p>

<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;font-family:
"Times New Roman"'><o:p>&nbsp;</o:p></span></font></p>

<table class=MsoNormalTable border=0 cellpadding=0 bgcolor=white
 style='background:white'>
 <tr>
  <td style='padding:.75pt .75pt .75pt .75pt'>
  <p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
  style='font-size:12.0pt;font-family:"Times New Roman";color:black'><br>
  ***********************************************************************************************<br>
  <br>
  The&nbsp;information&nbsp;contained&nbsp;in&nbsp;this&nbsp;e-mail&nbsp;is&nbsp;strictly&nbsp;confidential,&nbsp;some&nbsp;or&nbsp;all<br>
  of&nbsp;which&nbsp;may&nbsp;be&nbsp;legally&nbsp;privileged.&nbsp;It&nbsp;is&nbsp;for&nbsp;the&nbsp;intended&nbsp;recipient&nbsp;only.<br>
  Access&nbsp;to&nbsp;this&nbsp;e-mail&nbsp;by&nbsp;any&nbsp;other&nbsp;person&nbsp;is&nbsp;prohibited.&nbsp;If&nbsp;you&nbsp;are&nbsp;not&nbsp;the<br>
  intended&nbsp;recipient,&nbsp;any&nbsp;use,&nbsp;disclosure,&nbsp;copying,&nbsp;printing,&nbsp;distribution&nbsp;of,<br>
  replying&nbsp;to&nbsp;or&nbsp;any&nbsp;action&nbsp;taken&nbsp;or&nbsp;omitted&nbsp;to&nbsp;be&nbsp;taken&nbsp;in&nbsp;reliance&nbsp;on&nbsp;this<br>
  e-mail,&nbsp;is&nbsp;prohibited&nbsp;and&nbsp;may&nbsp;be&nbsp;unlawful.&nbsp;Please&nbsp;contact&nbsp;the&nbsp;sender&nbsp;immediately<br>
  should&nbsp;this&nbsp;e-mail&nbsp;have&nbsp;been&nbsp;incorrectly&nbsp;addressed&nbsp;or&nbsp;transmitted.<br>
  <br>
  You&nbsp;accept&nbsp;that&nbsp;any&nbsp;instructions&nbsp;are&nbsp;deemed&nbsp;to&nbsp;have&nbsp;been&nbsp;given&nbsp;at&nbsp;the&nbsp;time&nbsp;the<br>
  recipient(s)&nbsp;accesses&nbsp;them&nbsp;and&nbsp;that&nbsp;delivery&nbsp;receipt&nbsp;does&nbsp;not&nbsp;constitute<br>
  acknowledgement&nbsp;or&nbsp;receipt&nbsp;by&nbsp;the&nbsp;intended&nbsp;recipient(s).&nbsp;You&nbsp;accept&nbsp;that&nbsp;there<br>
  may&nbsp;be&nbsp;a&nbsp;delay&nbsp;in&nbsp;processing&nbsp;the&nbsp;instructions&nbsp;received&nbsp;from&nbsp;e-mails&nbsp;after<br>
  Charles&nbsp;Stanley&nbsp;has&nbsp;received&nbsp;them.&nbsp;You&nbsp;are&nbsp;advised&nbsp;that&nbsp;urgent,&nbsp;time&nbsp;sensitive<br>
  and&nbsp;confidential&nbsp;communications&nbsp;should&nbsp;not&nbsp;be&nbsp;sent&nbsp;by&nbsp;e-mail.&nbsp;<br>
  <br>
  You&nbsp;acknowledge&nbsp;that&nbsp;e-mails&nbsp;are&nbsp;not&nbsp;secure&nbsp;and&nbsp;you&nbsp;accept&nbsp;the&nbsp;risk&nbsp;of<br>
  malfunction,&nbsp;viruses,&nbsp;unauthorised&nbsp;interference,&nbsp;mis-delivery&nbsp;or&nbsp;delay.<br>
  ************************************************************************************************<br>
  <br>
  <br>
  Charles&nbsp;Stanley&nbsp;&amp;&nbsp;Co.&nbsp;Ltd<br>
  Registered&nbsp;Office:&nbsp;<st1:address w:st="on"><st1:Street w:st="on">25&nbsp;Luke&nbsp;Street</st1:Street>&nbsp;<st1:City
   w:st="on">London</st1:City>&nbsp;<st1:PostalCode w:st="on">EC2A&nbsp;4AR</st1:PostalCode></st1:address><br>
  <br>
  Tel:&nbsp;0207&nbsp;739&nbsp;8200&nbsp;Fax:&nbsp;0207&nbsp;739&nbsp;7798<br>
  Registered&nbsp;in&nbsp;<st1:country-region w:st="on"><st1:place w:st="on">England</st1:place></st1:country-region>&nbsp;No.&nbsp;1903304<br>
  <br>
  Charles&nbsp;Stanley&nbsp;Sutherlands&nbsp;and&nbsp;Charles&nbsp;Stanley&nbsp;Securities&nbsp;are&nbsp;divisions&nbsp;of&nbsp;Charles&nbsp;Stanley&nbsp;&amp;&nbsp;Co.&nbsp;Ltd<br>
  <br>
  Authorised&nbsp;and&nbsp;Regulated&nbsp;by&nbsp;the&nbsp;Financial&nbsp;Services&nbsp;Authority,&nbsp;Member&nbsp;of&nbsp;the<br>
<st1:City w:st="on">London</st1:City>&nbsp;Stock&nbsp;Exchange,&nbsp;International&nbsp;Securities&nbsp;Markets&nbsp;Association,&nbsp;and&nbsp;The&nbsp;<st1:City
  w:st="on"><st1:place w:st="on">London</st1:place></st1:City>&nbsp;International&nbsp;Financial&nbsp;Futures&nbsp;&amp;<br>
  Options&nbsp;Exchange.<br>
  <br>
  This&nbsp;footnote&nbsp;also&nbsp;confirms&nbsp;that&nbsp;this&nbsp;email&nbsp;message&nbsp;has&nbsp;been&nbsp;swept&nbsp;by&nbsp;McAfee<br>
  VirusScan&nbsp;and&nbsp;SurfControl&nbsp;Email&nbsp;Filter&nbsp;software.<o:p></o:p></span></font></p>
  </td>
 </tr>
</table>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></font></p>

</div>

</body>

</html>


<HTML><BODY><P><hr size=1></P><br>
<P><STRONG><br>
Disclaimer:<br>
<br>
This e-mail communication and any attachments may contain<br>
confidential and privileged information and is for use by the<br>
designated addressee(s) named above only.  If you are not the<br>
intended addressee, you are hereby notified that you have received<br>
this communication in error and that any use or reproduction of<br>
this email or its contents is strictly prohibited and may be<br>
unlawful.  If you have received this communication in error, please<br>
notify us immediately by replying to this message and deleting it<br>
from your computer. Thank you.<br>
</STRONG></P></BODY></HTML>