UC560, handset hears ringing after transferring a call

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Mar 28th, 2010
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This is a similar issue to the post below.  I'm even going to copy and paste the description of the problem because it's exactly what's happening to the UC560 I'm supporting:


When we recieve an external call and a person tries to transfer the  call (without consultative transfer), the person who transfers the call  can still hear the ringing sound even after the call has been completely  transfered and the other person has picked it up.


This is becoming a big issue for the client, and I'm this close to just replacing the UC560, but I feel that there has to be a fix for this.  Anyone else experience this same issue?


https://www.myciscocommunity.com/message/41611#41611

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Marcos Hernandez Sun, 03/28/2010 - 09:20
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Can you please provide Mily the requested infomation?

Audy Bautista Sun, 03/28/2010 - 10:23
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BTW, it's ephone 8 and ephone 10 that are reporting the problems; these are the 2 "reception" phones.



!
ephone  8
privacy off
device-security-mode none
video
mac-address 0011.926F.008C
ephone-template 18
username "dpolayes" password xxxxx
speed-dial 1 12123578550 label "Goldman Sachs"
speed-dial 2 12128878958 label "KBW"
speed-dial 3 12127615552 label "JP Morgan"
speed-dial 4 12127615552 label "Morgan Stanley"
speed-dial 5 12124668024 label "Sandler O"
type 7960 addon 1 7914 2 7914
button  1:18 2:62 3:63 4:64
button  5s107 6s108 7:67 8:68
button  9:69 10:70 11:71 12s72
button  13s73 14s74 15s75 16s76
button  17s77 18s78 19s79 21s80
button  22s81 23s82 24s83 25s84
button  26s85 27s86 28s87 29s88
button  30s89
!


ephone  10
privacy off
device-security-mode none
video
mac-address 0011.920E.287A
ephone-template 18
username "drondot" password xxxxx
type 7960 addon 1 7914 2 7914
button  1:18 2:62 3:63 4:64
button  5:65 6:66 7:90 8s89
button  9s80 10s82 11s74 12s76
button  13s85 14s88 15s91 16s86
button  17s72 18s73 19s84 20s78
button  21:68 22:69 23:70 24:71
button  25s92 26s94 27s95 28s96
button  29s97 30s98 31s99 32s100
button  33s101 34s107
!

Audy Bautista Tue, 03/30/2010 - 09:45
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I recreated the issue in my lab, and the changes below seem to have resolved the ringing issue when I transfer the call from the second line.  I'm hoping that this is the final resolve, but would like to know if there's any negative impact to making this global change:


telephony-service
no transfer-system
transfer-system local-consult


ephone 8

restart


ephone 10

restart

Audy Bautista Tue, 03/30/2010 - 14:30
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I actually talked to a Cisco engineer on this (https://www.myciscocommunity.com/message/41726#41726) and she helped me isolate the problem.  Basically the issue is caused by the "call-waiting ring" comnmand under the ephone-dn.  Unfortunately, I can't remove it because the client wants this feature enabled:


ephone-dn  62  dual-line

call-waiting ring


Also found a "fix" which I'm not sure is a fix because it caused the production UC560 to reboot.


I added the following and it seems to resolve the ringing issue, but then the production untit rebooted a few minutes after I added the command; I didn't do a wr mem.   I added the config again just to see if it was fluke, and it rebooted again.  Any ideas as to why the unit would reboot?


telephony-service

transfer-system local-consult

create cnf


Here's a sh ver after the second reboot:


UC560#sh ver
Cisco IOS Software, UC500 Software (UC500-ADVIPSERVICESK9-M), Version 15.0(1)XA, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Thu 22-Oct-09 06:29 by prod_rel_team


ROM: System Bootstrap, Version 15.0(1r)XA, RELEASE SOFTWARE (fc1)


UC560 uptime is 5 minutes
System returned to ROM by error - an unknown failure, PC 0x80AD51F8 at 14:22:44 EST-DST Tue Mar 30 2010
System restarted at 14:23:24 EST-DST Tue Mar 30 2010
System image file is "flash:uc500-advipservicesk9-mz.150-1.XA"

Steven DiStefano Tue, 03/30/2010 - 15:20
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Open a case.   Sounds like you found something (interaction), but certainily beyond the community.

I did a quick search for open issues and actually found one with router crash, but that was when using an actual long string with that command which caused a buffer overflow.  I could not find any exactly like yours.


Steve DiStefano

Systems Engineering

partner Sales

John Platts Tue, 03/30/2010 - 16:56
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I noticed that you are running 15.0(1)XA. There is an updated version of IOS available for the UC560. Did you upgrade the UC560 to the 8.0.2 software pack yet? The 8.0.2 software pack contains IOS 15.0(1)XA2.

Audy Bautista Wed, 03/31/2010 - 08:49
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I have not upgraded yet, but that might be my next thing I try. I won't have a window for that kind of change for a few days, but I'm not convinced that this will fix the issue.

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