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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">Just ran a quick test.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">phnA: BT=2 MC=</span><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">8<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">phnB: BT=</span><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:red">4</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:red">
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">MC=6<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">Inbound call to shared line appearance…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">LineControl reports a BT of
</span><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:red">4</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:red">
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">and a MC of
</span><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060">8</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">, essentially taking the higher value of each device-level BT/MC parameter,
whereas the StationD process accurately represent the BT/MC at each line appearance, BT2/MC8 and BT4/MC6 in this case. Definitely makes sense and I understand your previous explanation much better now.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">Thanks again for the clarification!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">- Dan<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040"><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"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> cisco-voip [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Daniel Pagan<br>
<b>Sent:</b> Thursday, October 24, 2013 5:09 PM<br>
<b>To:</b> Wes Sisk (wsisk)<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] Child Process & Clarification<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I should have mentioned this, yes. I assigned different BT/MC values to each line appearance for the purpose of viewing the BT/MC values reported by LineControl.
I guess what I should have said was that LineControl is reporting a BT/MC of 5/5 regardless of what device-specific BT/MC values are configured elsewhere, which in this example is 1/1 on phnB.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">What threw me off was that LineControl is accurately describing these values for phnA (5/5) with no mention of the line appearance BT/MC values on phnB (1/1)..
which I guess is where my earlier (incorrect) theory of ‘one LineControl per line instance’ came from -- different MC/BT values at the line level represented by different instances of LineControl -- but that appears to be wrong.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">- Dan<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";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"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Wes Sisk (wsisk) [<a href="mailto:wsisk@cisco.com">mailto:wsisk@cisco.com</a>]
<br>
<b>Sent:</b> Thursday, October 24, 2013 4:54 PM<br>
<b>To:</b> Daniel Pagan<br>
<b>Cc:</b> <a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> Re: [cisco-voip] Child Process & Clarification<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This debug shows the values for 2 different station d's. The busy trigger is configured per line and per device. 2 devices with the same line can have different busy triggers. this is what you are seeing in these traces.
<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">device 0008701 has busy=5<o:p></o:p></p>
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<p class="MsoNormal">device 0008702 has busy=1<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">0008701 is phnA<o:p></o:p></p>
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<p class="MsoNormal">0008702 is phnB<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">These look like they align to me?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I think what you're seeing is MC/BT enforced at the device level. They reflect the configuration for the device.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">LineControl does generally run on the node where the first device registers the line.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-Wes<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Oct 24, 2013, at 4:41 PM, Daniel Pagan <<a href="mailto:dpagan@fidelus.com">dpagan@fidelus.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Thanks a lot for the clarification. What’s throwing me off is this…</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">phnA</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">: MC=5 BT=5</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">phnB</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">: MC=1 BT=1</span><o:p></o:p></p>
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<p class="MsoNormal"><b><u><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Scenario</span></u></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">: Inbound call to phnA & phnB shared line appearance.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">LineControl(9042) - 1 calls, 0 CiReq,<span class="apple-converted-space"> </span><span style="background:yellow">busyTrigger=5, maxCall=5</span></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Created | | |LineCdpc(1,100,168,<b><span style="color:#00B050">97444</span></b>) |LineControl(1,100,167,9042</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">LineCdpc(<b><span style="color:#00B050">97444</span></b>): -dispatchToAllDevices-, sigName=CcSetupReq, device=CIPCDPAGAN</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">LineCdpc(<b><span style="color:#00B050">97444</span></b>): -dispatchToAllDevices-, sigName=CcSetupReq, device=SEP001D45B5E6C9</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">CcSetupReq |restart0 |StationD(1,100,58,<b><span style="color:#984807">8701</span></b>) |LineCdpc(1,100,168,<b><span style="color:#00B050">97444</span></b></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">CcSetupReq |restart0 |StationD(1,100,58,<b><span style="color:#984807">8702</span></b>) |LineCdpc(1,100,168,<b><span style="color:#00B050">97444</span></b></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">StationD: (<b><span style="color:#984807">0008701</span></b>) DEBUG whatToDo:<span class="apple-converted-space"> </span><b>line=1 calls=1 limit=5, busy=5</b></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">StationD: (<b><span style="color:#984807">0008702</span></b>) DEBUG whatToDo:<span class="apple-converted-space"> </span><b>line=1 calls=1<span class="apple-converted-space"> </span><span style="background:yellow">limit=1,
busy=1</span>.</b></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">LineControl reports busy trigger and max call values that don’t align with all associated appearances. I guess this is why I was expecting one LineControl process per line
instance – for MC/BT management across each appearance. Since (if I recall correctly) LineControl runs on the node where the DN first registers, do the LineControl bT/mC values reflect those assigned to the DN that first registers with CUCM?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Thanks again.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">- Dan</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span class="apple-converted-space"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> </span></span><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Wes
Sisk (wsisk) [mailto:wsisk@<a href="http://cisco.com">cisco.com</a>]<span class="apple-converted-space"> </span><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Thursday, October 24, 2013 2:42 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>Daniel Pagan<br>
<b>Cc:</b><span class="apple-converted-space"> </span><a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [cisco-voip] Child Process & Clarification</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Cdpc ~ "call dependent process control"<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">basically maintains all information for that call relevant to that line.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">they are essentially "per call" containers for attributes related to the call. And they interact with their parent process (line control, stationD, etc.) to get "higher level information".<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">there is only one line control per DN. And only 1 line control for all shared lines. In a clustered environment you can have StationD on Node1 passing all info back and forth to LineControl on Node2.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Trace entries, observed behavior, and configuration should align. Notable reasons for deviation: split cluster, other overriding parameter (Max calls per device), broken change notification, and leaks (previous Cdcc, StationCdpc, or LineCdpc
started and not correctly stopped).<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">You can see most of the generations of processes by looking at traces during ccm startup and then watching the started/stopped events during device (un)registration, call (dis)connect.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">HTH<o:p></o:p></p>
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<p class="MsoNormal">Wes<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">On Oct 24, 2013, at 2:23 PM, Daniel Pagan <<a href="mailto:dpagan@fidelus.com"><span style="color:purple">dpagan@fidelus.com</span></a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Folks:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I’m curious if someone can tell me the purpose of creating child processes, specifically LineCdpc and StationCdpc?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I ask about LineControl because my understanding was that it handled both Max Call & Busy Trigger management AND call dispatch to associated phone devices, but now I see
it’s actually LineCdpc and I’m curious if there’s logical reasoning behind this. I ask about StationCdpc because I see (for calls sourced from a JTAPI client) that<span class="apple-converted-space"> </span><i>both</i><span class="apple-converted-space"> </span>StationD
and StationCdpc process are talking to CTIDeviceLineMgr. What I can’t figure out is the need for creating these Cdpc’s and how their responsibilities differ from their parent process.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Does StationCdpc handle application-level updates that result from transmitted StationD and received StationINIT events? Kind of like acting as an intermediary between actual
SCCP events and internal SDI/SDL communication to other processes involved?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Also, am I correct in saying LineControl handles management over busy trigger and max calls<span class="apple-converted-space"> </span><i>per</i><span class="apple-converted-space"> </span>line
instance whereas LineCdpc handles the dispatch of calls to the StationD process? Or should there be only one LineControl process per DN while another process handles max calls & busy trigger management on a per line instance basis? Tests in a 9.1.1 lab shows
the latter – one LineControl instance while StationD handles the active calls/max calls/bt values… but tests also show issues where shared line appearances with varying MaxCalls/BT values cause voicemail forwarding due to these values being prematurely reached.
Trace entries and behavior don’t line up with actual configurations so I’m hoping for some clarification. All devices are registered to a single node in this lab environment.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Sorry for the long winded e-mail and I hope you don’t mind the brain picking.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">- Daniel</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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