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<p class=MsoNormal>Per the SRND for CallManager:<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Times-Roman","serif"'>In addition to the option of adding multiple
clusters by adding additional integrations for each new<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Times-Roman","serif"'>Unified CM cluster in Cisco Unity, Unified
CM supports Annex M.1, Message Tunneling for QSIG,<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Times-Roman","serif"'>which gives administrators the ability to
enable QSIG on intercluster trunks (ICTs) between Unified CM<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Times-Roman","serif"'>clusters. When QSIG is enabled on ICTs,
Cisco Unity needs to integrate with only one Unified CM<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Times-Roman","serif"'>cluster and designate ports only in this one
cluster for turning MWIs on and off, even when supporting<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Times-Roman","serif"'>multiple clusters. The Annex M.1 feature in
Unified CM allows for propagation of the MWI requests<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Times-Roman","serif"'>across the ICTs to the proper Unified CM
cluster and phone within that cluster. All calls originating in<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Times-Roman","serif"'>other clusters can be forwarded to the Unity
server integrated to that one cluster. There is no need to<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Times-Roman","serif"'>designate MWI ports on the other clusters
when Annex M.1 is enabled on the ICT.<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I have setup the ICT with QSig on two CallManager clusters. It
is Unity version 4.2(1). The cluster that has Unity directly connected is version
4.2(3). The version on the other side of that QSig ICT is 6.0. I can dial
numbers to and from either CallManager cluster without problem. I am finding
that when calling a phone registered to the CallManager that is NOT directly
connected to Unity that the redirecting number is not present and the call goes
to the opening greeting via the CFB, CFNA, or CFA. Redirecting number is NOT an
option when using QSig on the ICT. So how does this work? If I get rid of the
QSig on the ICT and select the redirecting number it goes to the appropriate VM
box everytime. Also, with the ICT using QSig MWI does not work when a message
is left on a phone across the trunk. <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Has anyone gotten this to work? Any tips would be great!<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks!<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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