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<p class="MsoNormal"><span style="color:#1F497D">That’s a great help Wes. I’ll give this a run through hopefully in the next couple days.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Wes Sisk [mailto:wsisk@cisco.com]
<br>
<b>Sent:</b> Friday, August 12, 2011 4:06 PM<br>
<b>To:</b> Wellnitz, Erick A.<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] MWI stays on without messages...even after resynch<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thinking out loud. Helps me and may trigger something for you.<br>
<br>
Unity Connection sends MWI message to CUCM. I *think* CUCM initiates a call from the MWI Off number. It *should* use the CSS of the MWI Off DN.
<br>
Q1: In DNA how does a call route using the CSS assigned to the MWI Off Number?<br>
<br>
I'm 100% clear on the SIP MWI implementation so it could use the CM service parameter "Message Waiting Indicator Inbound Calling Search Space".
<br>
Q2: What is configured here?<br>
Q3: Test this CSS in DNA?<br>
<br>
<br>
It should be possible to get a bit of clarification on what is happening. In Q.SIG MWI is a call to the DN with special bearer capability and facility APDU).
<br>
<br>
Feb 18 16:44:33.610 CST: ISDN Se1/0:23 Q931: RX <- SETUP pd = 8 <br>
callref = 0x1201<br>
Sending Complete<br>
Bearer Capability i = 0xA880<br>
Standard = ISO/IEC<br>
Transer Capability = Unrestricted Digital<br>
Transfer Mode = Circuit<br>
Transfer Rate = Packet - not specified<br>
Channel ID i = 0xAC<br>
Facility i = 0x9FAA068001008201008B0102A12402020D00020151301BA5090A0104120438383032<br>
0A 0101A10BA5090A0104120433313030<br>
Calling Party Number i = 0xC9, '3100'<br>
Plan:Private, Type:Subscriber(local)<br>
Called Party Number i = 0xC9, '8802'<br>
Plan:Private, Type:Subscriber(local)<br>
<br>
Using raw data as an example:<br>
0x9FAA06800100820100A20B02020D0030050201510500<br>
Starting from A2(APDU type):<br>
A2 Rose = Return result<br>
0B length = 11<br>
02 integer<br>
02 length = 2<br>
0D 13*256<br>
00<br>
30 SEQUENCE<br>
05 length = 5<br>
02 integer<br>
01 length = 1<br>
51 Operatin value = 81 (MWI OFF)<br>
If the operation value is 80, then it is for MWI ON.<br>
<br>
<br>
The important thing for you is the nature of the call - it is a call with the called party set to the line that should set (or clear) MWI. Either read the CM SDI traces looking for this call or enable CDR for zero duration calls and check CDR's to see if this
call is being attempted and what is happening to it.<br>
<br>
If you cannot find a call to the affected DN then it's failing in UC or in the UC to CUCM integration.<br>
<br>
Hope this helps,<br>
Wes<br>
<br>
<br>
<br>
<br>
On 8/12/2011 4:18 PM, Wellnitz, Erick A. wrote: <o:p></o:p></p>
<p class="MsoNormal">Okay…here’s an odd one. I didn’t design the topology and we can’t change it without some serious political battles.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Nortel Option 11C -----QSIG----Cisco 2821 with 12.4(24).T4 -------MGCP----CUCM 8.0(3) ------SIP -------Unity Connection 8.0(3)<o:p></o:p></p>
<p class="MsoNormal">Remote Site-----------------------------------------------------------------------Central Site------------------------Remote Site<o:p></o:p></p>
<p class="MsoNormal">(yeah, I know)<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">MWI fails to synch with two users. Media stays local as it should. Latency is averaging about 60ms round trip.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Connection is set up per the integration guide. I’m not familiar with Nortel configurations but our Nortel person tells me these two are identical to everyone else. Routing in CM checks out via DNA. Resynch of MWI doesn’t solve it.
UCONN shows the MWI for both users as ‘off’. Mailboxes are empty.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I’m pretty much throwing things against the wall to see if they stick at this point.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#333333">ERICK A. WELLNITZ
</span></b><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><br>
</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#333333">Network Engineer</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><br>
</span><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#83A6BD">Katten Muchin Rosenman LLP</span></b><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><br>
</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#333333">525 W. Monroe Street / Chicago, IL 60661-3693</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><br>
</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#333333">p / (312) 577-8041
</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><br>
</span><a href="mailto:erick.wellnitz@kattenlaw.com"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">erick.wellnitz@kattenlaw.com</span></a><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> /
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