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<div>A bearer cap of 0x8890 means the call is digital, not analog, so the call is not being passed to a modem. Your emulating network in between must be mucking with the bearer cap (check out debug on the 1841 to verify that it’s not originating at 8890).</div>
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<div>mark</div>
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<span style="font-weight:bold">From: </span>Tom Storey <<a href="mailto:tom@snnap.net">tom@snnap.net</a>><br>
<span style="font-weight:bold">Date: </span>Friday, January 30, 2015 at 3:13 PM<br>
<span style="font-weight:bold">To: </span>"<a href="mailto:cisco-nas@puck.nether.net">cisco-nas@puck.nether.net</a>" <<a href="mailto:cisco-nas@puck.nether.net">cisco-nas@puck.nether.net</a>><br>
<span style="font-weight:bold">Subject: </span>[cisco-nas] ISDN calls not making it to NM-6DM<br>
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<div dir="ltr">Hi everyone.
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<div>Playing around with some old hardware in a lab, trying to get some ISDN calls originated from an 1841 with a WIC-1B-S/T-V3 to be answered on a 3825 with a NM-6D and NM-CE1T1-PRI.</div>
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<div>Heres my config:</div>
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<div>controller E1 1/0</div>
<div> pri-group timeslots 1-6,16</div>
<div>!</div>
<div>interface Serial1/0:15</div>
<div> no ip address</div>
<div> encapsulation ppp</div>
<div> isdn switch-type primary-net5</div>
<div> isdn incoming-voice modem 64</div>
<div> isdn bchan-number-order ascending </div>
<div>!</div>
<div>interface Group-Async0</div>
<div> ip unnumbered Loopback0</div>
<div> ip nat inside</div>
<div> ip virtual-reassembly in</div>
<div> encapsulation ppp</div>
<div> peer default ip address pool dialup</div>
<div> async mode interactive</div>
<div> no keepalive</div>
<div> ppp authentication chap callin</div>
<div> group-range 2/0 2/5</div>
<div>!</div>
<div>line 2/0 2/5</div>
<div> modem InOut</div>
<div> autoselect ppp</div>
<div>!</div>
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<div>And heres what I see when an ISDN call comes in:</div>
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<div>*Jan 30 23:31:24.963 UTC: ISDN Se1/0:15 Q931: RX <- SETUP pd = 8 callref = 0x0183 </div>
<div><span class="" style="white-space:pre"></span>Bearer Capability i = 0x8890 </div>
<div><span class="" style="white-space:pre"></span>Standard = CCITT </div>
<div><span class="" style="white-space:pre"></span>Transfer Capability = Unrestricted Digital </div>
<div><span class="" style="white-space:pre"></span>Transfer Mode = Circuit </div>
<div><span class="" style="white-space:pre"></span>Transfer Rate = 64 kbit/s </div>
<div><span class="" style="white-space:pre"></span>Channel ID i = 0xA98381 </div>
<div><span class="" style="white-space:pre"></span>Exclusive, Channel 1 </div>
<div><span class="" style="white-space:pre"></span>Calling Party Number i = 0x80, '0733944124' </div>
<div><span class="" style="white-space:pre"></span>Plan:Unknown, Type:Unknown </div>
<div><span class="" style="white-space:pre"></span>Called Party Number i = 0x80 </div>
<div><span class="" style="white-space:pre"></span>Plan:Unknown, Type:Unknown</div>
<div>*Jan 30 23:31:24.963 UTC: ISDN Se1/0:15 Q931: Received SETUP callref = 0x8183 callID = 0x01E5 switch = primary-net5 interface = User </div>
<div>*Jan 30 23:31:24.971 UTC: %ISDN-6-CONNECT: Interface Serial1/0:0 is now connected to 0733944124 N/A</div>
<div>*Jan 30 23:31:24.971 UTC: ISDN Se1/0:15 Q931: TX -> CALL_PROC pd = 8 callref = 0x8183 </div>
<div><span class="" style="white-space:pre"></span>Channel ID i = 0xA98381 </div>
<div><span class="" style="white-space:pre"></span>Exclusive, Channel 1</div>
<div>*Jan 30 23:31:24.971 UTC: ISDN Se1/0:15 Q931: TX -> CONNECT pd = 8 callref = 0x8183 </div>
<div><span class="" style="white-space:pre"></span>Channel ID i = 0xA98381 </div>
<div><span class="" style="white-space:pre"></span>Exclusive, Channel 1</div>
<div>*Jan 30 23:31:24.979 UTC: ISDN Se1/0:15 Q931: RX <- CONNECT_ACK pd = 8 callref = 0x0183</div>
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<div>So as far as I can tell the call comes in and establishes fine, but even with "debug modem" and a couple of other debugs on, I dont see any activity regarding connection to a modem. When I dial in from an analogue modem it works just fine.</div>
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<div>FWIW I am using the 3825 as a PSTN simulator as well. The 1841 is connected to a VIC2-2BRI-NT/TE emulating network, and a dialpeer connects calls to a VWIC2-2MTF-E1 which is also emulating network and is connected to the NM-CE1T1-PRI.</div>
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<div>Wondering if any one can provide any pointers to help me out. Am I missing something obvious?</div>
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<div>Let me know if you require more information.</div>
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<div>Thanks</div>
<div>Tom</div>
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