UC500 phone line keeps ringing busy even though the line is not in use.

Unanswered Question
Apr 23rd, 2010

All,

I appreciate any help on this issue. I call into the UC500 and I am able to access my AA. I am then transferred to a extension and have my conversation and hangup. I attempt to call back into the UC500 again and now the phone line is ringing busy. It continues to ring busy for a long time before I can have a successful connection. I am not sure if UC500 is not properly dropping the phone call or if something else is going on. Below is my voice-port config.

Any help would be greatly appreciated.

voice-port 0/0/0
timeouts ringing infinity
!
voice-port 0/0/1
timeouts ringing infinity
!
voice-port 0/0/2
timeouts ringing infinity
!
voice-port 0/0/3
timeouts ringing infinity
!
voice-port 0/1/0
trunk-group ALL_FXO 64
connection plar opx 298
description Configured by CCA 4 FXO-0/1/0-Custom-AA
caller-id enable
!
voice-port 0/1/1
trunk-group ALL_FXO 64
connection plar opx 298
shutdown
description Configured by CCA 4 FXO-0/1/1-Custom-AA
caller-id enable
!
voice-port 0/1/2
trunk-group ALL_FXO 64
connection plar opx 298
shutdown
description Configured by CCA 4 FXO-0/1/2-Custom-AA
caller-id enable
!
voice-port 0/1/3
trunk-group ALL_FXO 64
connection plar opx 298
shutdown
description Configured by CCA 4 FXO-0/1/3-Custom-AA
caller-id enable
!
voice-port 0/4/0
auto-cut-through
signal immediate
input gain auto-control -15
description Music On Hold Port
!
sccp local Loopback0
sccp ccm 10.1.1.1 identifier 1
sccp
!
sccp ccm group 1
associate ccm 1 priority 1
!
dial-peer cor custom
name internal
name local
name local-plus
name international
name national
name national-plus
name emergency
name toll-free
!
!
dial-peer cor list call-internal
member internal
!
dial-peer cor list call-local
member local
!
dial-peer cor list call-local-plus
member local-plus
!
dial-peer cor list call-national
member national
!
dial-peer cor list call-national-plus
member national-plus
!
dial-peer cor list call-international
member international
!
dial-peer cor list call-emergency
member emergency
!
dial-peer cor list call-toll-free
member toll-free
!
dial-peer cor list user-internal
member internal
member emergency
!
dial-peer cor list user-local
member internal
member local
member emergency
member toll-free
!
dial-peer cor list user-local-plus
member internal
member local
member local-plus
member emergency
member toll-free
!
dial-peer cor list user-national
member internal
member local
member local-plus
member national
member emergency
member toll-free
!
dial-peer cor list user-national-plus
member internal
member local
member local-plus
member national
member national-plus
member emergency
member toll-free
!
dial-peer cor list user-international
member internal
member local
member local-plus
member international
member national
member national-plus
member emergency
member toll-free
!
!
dial-peer voice 1 pots
service stcapp
port 0/0/0
!
dial-peer voice 2 pots
service stcapp
port 0/0/1
!
dial-peer voice 3 pots
service stcapp
port 0/0/2
!
dial-peer voice 4 pots
service stcapp
port 0/0/3
!
dial-peer voice 5 pots
description ** MOH Port **
destination-pattern ABC
port 0/4/0
no sip-register
!
dial-peer voice 50 pots
description ** incoming dial peer **
incoming called-number .%
port 0/1/0
!
dial-peer voice 51 pots
description ** incoming dial peer **
incoming called-number .%
port 0/1/1
!
dial-peer voice 52 pots
description ** incoming dial peer **
incoming called-number .%
port 0/1/2
!
dial-peer voice 53 pots
description ** incoming dial peer **
incoming called-number .%
port 0/1/3
!
dial-peer voice 2000 voip
description ** cue voicemail pilot number **
destination-pattern 555
b2bua
voice-class sip outbound-proxy ipv4:10.1.10.1
session protocol sipv2
session target ipv4:10.1.10.1
dtmf-relay sip-notify
codec g711ulaw
no vad
!
dial-peer voice 54 pots
trunkgroup ALL_FXO
corlist outgoing call-emergency
description **CCA*North American-7-digit*Emergency**
translation-profile outgoing OUTGOING_TRANSLATION_PROFILE
preference 5
destination-pattern 9911
forward-digits all
no sip-register
!
dial-peer voice 55 pots
trunkgroup ALL_FXO
corlist outgoing call-emergency
description **CCA*North American-7-digit*Emergency**
preference 5
destination-pattern 911
forward-digits all
no sip-register
!
dial-peer voice 56 pots
trunkgroup ALL_FXO
corlist outgoing call-local
description **CCA*North American-7-digit*7-Digit Local**
translation-profile outgoing OUTGOING_TRANSLATION_PROFILE
preference 5
destination-pattern 9[2-9]......
forward-digits all
no sip-register
!
dial-peer voice 57 pots
trunkgroup ALL_FXO
corlist outgoing call-local
description **CCA*North American-7-digit*Service Numbers**
translation-profile outgoing OUTGOING_TRANSLATION_PROFILE
preference 5
destination-pattern 9[2-9]11
forward-digits all
no sip-register
!
dial-peer voice 58 pots
trunkgroup ALL_FXO
corlist outgoing call-national
description **CCA*North American-7-digit*Long Distance**
translation-profile outgoing OUTGOING_TRANSLATION_PROFILE
preference 5
destination-pattern 91[2-9]..[2-9]......
forward-digits all
no sip-register
!
dial-peer voice 59 pots
trunkgroup ALL_FXO
corlist outgoing call-international
description **CCA*North American-7-digit*International**
translation-profile outgoing OUTGOING_TRANSLATION_PROFILE
preference 5
destination-pattern 9011T
forward-digits all
no sip-register
!
dial-peer voice 60 pots
trunkgroup ALL_FXO
corlist outgoing call-toll-free
description **CCA*North American-7-digit*Toll-Free**
translation-profile outgoing OUTGOING_TRANSLATION_PROFILE
preference 5
destination-pattern 91800.......
forward-digits all
no sip-register
!
dial-peer voice 61 pots
trunkgroup ALL_FXO
corlist outgoing call-toll-free
description **CCA*North American-7-digit*Toll-Free**
translation-profile outgoing OUTGOING_TRANSLATION_PROFILE
preference 5
destination-pattern 91888.......
forward-digits all
no sip-register
!
dial-peer voice 62 pots
trunkgroup ALL_FXO
corlist outgoing call-toll-free
description **CCA*North American-7-digit*Toll-Free**
translation-profile outgoing OUTGOING_TRANSLATION_PROFILE
preference 5
destination-pattern 91877.......
forward-digits all
no sip-register
!
dial-peer voice 63 pots
trunkgroup ALL_FXO
corlist outgoing call-toll-free
description **CCA*North American-7-digit*Toll-Free**
translation-profile outgoing OUTGOING_TRANSLATION_PROFILE
preference 5
destination-pattern 91866.......
forward-digits all
no sip-register
!
dial-peer voice 2001 voip
description ** cue auto attendant number **
translation-profile outgoing PSTN_CallForwarding
destination-pattern 298
b2bua
voice-class sip outbound-proxy ipv4:10.1.10.1
session protocol sipv2
session target ipv4:10.1.10.1
dtmf-relay sip-notify
codec g711ulaw
no vad
!
dial-peer voice 2003 voip
description ** cue auto attendant PSTN number **
translation-profile outgoing AA_Profile
destination-pattern 5184340385$
b2bua
voice-class sip outbound-proxy ipv4:10.1.10.1
session protocol sipv2
session target ipv4:10.1.10.1
dtmf-relay sip-notify
codec g711ulaw
no vad
!
dial-peer voice 2012 voip
description ** cue prompt manager number **
translation-profile outgoing PSTN_CallForwarding
destination-pattern 444
b2bua
voice-class sip outbound-proxy ipv4:10.1.10.1
session protocol sipv2
session target ipv4:10.1.10.1
dtmf-relay sip-notify
codec g711ulaw
no vad
I have this problem too.
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David Trad Tue, 04/27/2010 - 01:03

Hi Luke,

Can i confirm with you the following:

  1. Are all FXO ports in use? For instance do you have 4 analogue lines from your carrier running into the system?
    If so are they doing Hunting of the lines at the exchange?
  2. Have you done any debugging on the system at all?
    If not can you do the following please:
    * ROUTER# debug vpm signal
    *ROUTER# term mon
    #Capture all the information from a test call and paste it into a txt file, and keep that one separate from the other debugs
  3. Have you checked to see if the port is locked up?
    If not you can do the following
    *ROUTER# sh voice call sum (I think that is the command, I have had a memory blank/brain freeze
    )
    *ROUTER# term mon
    #Capture the information on the screen and put that into a txt file

Once you have got all the information can you post the txt files up so we can look at them, I would like to see what the VPM signal is going when a call teardown is requested, i hate analogue lines as they are well known for being pig headed and not wanting to play ball.

Also can you apply the following to your configuration please:

voice-port 0/1/0

trunk-group ALL_FXO 64

supervisory disconnect dualtone mid-call
compand-type a-law (Or ulaw )
cptone AU (Put your contry code in there)
timeouts call-disconnect 4
timeouts wait-release 4
connection plar opx immediate 298
impedance complex1
bearer-cap Speech
caller-id enable

The above code may assist with your issue and it may even resolve it. Just make sure you apply this to all your FXO voice ports, and also make sure you make those changes that are highlighted in bold.


I hope you can resolve the problem  :)

Cheers,

David.

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Posted April 23, 2010 at 9:50 AM
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