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<div dir="ltr"><font face="Tahoma" color="#000000" size="2">Hi,</font></div>
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<div dir="ltr"><font face="Tahoma" color="#000000" size="2">After upgrade CUCM from 6.1 to 7.1.5 our MGCP gateway (GW IOS is 12.4(15)T8) is showing a strange behavior: outbound calls are successfully established however after 3 minutes they are dropped by the
CUCM. There are no inbound calls, just outbound.<br>
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<div dir="ltr"><font face="Tahoma" color="#000000" size="2">Show call active voice shows the callmanager/Ip phone leg as 'connecting' instead of active. I can hear conversation in both sides.</font></div>
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<div dir="ltr"><font face="Tahoma" color="#000000" size="2">7FC : 1561750 13922624090ms.1 +0 pid:0 Originate connecting<br>
dur 00:01:06 tx:3327/532320 rx:3325/532000<br>
IP x.x.x.x:17970 SRTP: off rtt:0ms pl:60450/0ms lost:0/0/0 delay:55/55/65ms g711ulaw TextRelay: off<br>
media inactive detected:n media contrl rcvd:n/a timestamp:n/a<br>
long duration call detected:n long duration call duration:n/a timestamp:n/a</font></div>
<div dir="ltr"><font face="Tahoma" color="#000000" size="2">7FC : 1561749 13922624090ms.2 +10 pid:0 Originate active<br>
dur 00:01:06 tx:3326/558768 rx:3330/532642<br>
Tele 0/1/1:15 (1561749) [0/1/1.24] tx:66570/66570/0ms g711ulaw noise:-77 acom:6 i/0:-79/-79 dBm<br>
<br>
debug isdn q931 shows after 3 minutes of conversation:<br>
022560: Mar 19 10:13:17.837 UTC-3: ISDN Se0/1/1:15 Q931: TX -> DISCONNECT pd = 8 callref = 0x0225<br>
Cause i = 0x8092 - No user responding<br>
<br>
If I change T301 on service parameters to say 360 seconds, then the call remains active 6 minutes and it's dropped as well.</font></div>
<div dir="ltr"><font face="Tahoma" color="#000000" size="2">It seems CUCM didn't understand that the call is active.</font></div>
<div dir="ltr"><font face="Tahoma" color="#000000" size="2"></font> </div>
<div dir="ltr"><font face="Tahoma" color="#000000" size="2">TAC just say to reboot the cluster. I didn't do yet because I think is something missing...<br>
Do I have to enable/disable anything else in this CUCM version?</font></div>
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<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><i style="mso-bidi-font-style: normal"><span style="FONT-SIZE: 10pt; mso-fareast-font-family: 'Times New Roman'"><font face="Calibri">Marcelo Zilio<br>
Support Services</font></span></i><span style="FONT-SIZE: 10pt; mso-fareast-font-family: 'Times New Roman'"><font face="Calibri">, Brasil<br>
Dimension Data
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