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Busy Tone when calling

Julio_groeli
Level 1
Level 1

 

Hello, I have a CME 7.1 with fourteen 7911 ip phones and four 4942 phones. 

When I place a call from any phone it gets a busy tone at random times, and I need to call several times to the same number until the call goes through.

Does anyone has experienced that?

22 Replies 22

Hi Julio,

The debugs provided earlier shows the call attempted to route from dial peer 10, which is a POTS dial peer.
However, in this working working, it selects dial peer 1, which is a VoIP dial peer.


dial-peer voice 1 voip
 description VoiceMail
 destination-pattern 3001
 session protocol sipv2
 session target ipv4:192.168.6.253
 dtmf-relay sip-notify
 codec g711ulaw
 no vad

 
 
 dial-peer voice 10 pots
 description llamadas LOCAL
 destination-pattern 9[1-9]......
 direct-inward-dial
 port 0/1/0:0
 forward-digits 7
 
Clearly, the called party is different so it uses different dial peers. So, the working debugs provided above are not relevant to our scenario.

Could you please provide the following:
1. How are you communicating with the provider? PRI or FXO or SIP Trunk?
2. Output if "show isdn status"?
3. The dial peer to the provider which should be selected.


Regards,
Jagpreet Singh Barmi

Hi Jagpreet,

I´m communicating with provider using SIP Trunk, regarding "show isdn status" this command is not allowed on my CME.

 

Today I started having issues with incoming calls, and I realized that when calling from any internal extension to 3001 (Autoattendant extention) or 3000 (Voicemail extention) I get the same error message on debug

 Cause Value=41, Tag=0x0, Call Entry(Previous Disconnect Cause=0, Disconnect Cause=41)

 

For dial autoattendant it is used dial peer 1

dial-peer voice 1 voip
 description VoiceMail
 destination-pattern 3001
 session protocol sipv2
 session target ipv4:192.168.6.253
 dtmf-relay sip-notify
 codec g711ulaw
 no vad

Error code 41 is related with network connectivity issue, but I can ping 192.168.6.253 which is Unity Express IP address, I can even log into Unity Express with no problem, so I´m not sure if I´m getting network problem or what the issue is, why it disconnects when it uses VoIP dial peers.

Have you ever seen anything like this? 

Thank you in advance for your support.

 

 

 

 

 

i have install elastix pbx ...... i have put the sip frameware in cisco 7940 when i start my elastix server the smart phone communication is goes well but when i try to call from smartphone to cisco 7940 communication not working but when i try to call from cisco 7940 to smart phone is show (reorder) help will be apreciated

Hello

 

Kindly find the below:-

1-Try to remove the direct-in-dial

dial-peer voice 10 pots
 no direct-inward-dial

!
dial-peer voice 21 pots
 
 no direct-inward-dial

!
dial-peer voice 31 pots
 no direct-inward-dial
!
dial-peer voice 40 pots
 no direct-inward-dial

 

2- I found a problem under dial-peer 52 "no forward-digits". Please delete it and added it again

 

no dial-peer voice 52 pots


dial-peer voice 52 pots
 description llamadas LD INTERNACIONAL
 destination-pattern 900.T
 direct-inward-dial
 port 0/1/0:0
 prefix 00

Thanks

please rate all useful information

Hello, 

Thank you for your reply. I did the changes you mentioned but I´m still getting the same error found on debug.

Hi, I found that every time the call gets the busy tone there is 41 code on logs, which indicates temporary network failure:

 

Jul 17 15:20:00.043: //254/9F11465D82DE/CCAPI/cc_api_call_disconnect_done:
   Disposition=0, Interface=0x6623758C, Tag=0x0, Call Id=254,
   Call Entry(Disconnect Cause=41, Voice Class Cause Code=0, Retry Count=0)

 

Does anybody knows what can be the cause for this error? 

What type of calls ? internal (between IP phones) ? External (to the PSTN) ?
 

Please post your show run here.

Hi, External calls are the ones that get the busy tone when dialing from internal IP phones, sometimes it works at the second attempt, some other times I need to try even 5 times or more. Thanks for your reply.

This is my show run:

 


CME#show run
Building configuration...


Current configuration : 14382 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname CME
!
boot-start-marker
boot-end-marker
!
card type e1 0 1
logging message-counter syslog
enable secret 5 $1$W.WI$18PreLIBeu/lO41AIMZB81
!
no aaa new-model
clock timezone CST -6
network-clock-participate wic 1
network-clock-select 1 E1 0/1/0
dot11 syslog
ip source-route
!
!
!
!
ip cef
no ip domain lookup
ip domain name svam.com
no ipv6 cef
multilink bundle-name authenticated
!
!
!
!
!
!
!
voice service voip
 allow-connections h323 to h323
 allow-connections h323 to sip
 allow-connections sip to h323
 allow-connections sip to sip
 no supplementary-service h450.3
 fax protocol cisco
!
!
!
voice class codec 1
 codec preference 1 g711ulaw
 codec preference 3 g729r8
!
!
!
!
!
!
!
!
!
!
!
!
!
!
voice-card 0
 dsp services dspfarm
!
!
crypto pki trustpoint TP-self-signed-391591381
 enrollment selfsigned
 subject-name cn=IOS-Self-Signed-Certificate-391591381
 revocation-check none
 rsakeypair TP-self-signed-391591381
!
!
crypto pki certificate chain TP-self-signed-391591381
 certificate self-signed 01
  30820242 308201AB A0030201 02020101 300D0609 2A864886 F70D0101 04050030
  30312E30 2C060355 04031325 494F532D 53656C66 2D536967 6E65642D 43657274
  69666963 6174652D 33393135 39313338 31301E17 0D313131 30323432 30313731
  315A170D 32303031 30313030 30303030 5A303031 2E302C06 03550403 1325494F
  532D5365 6C662D53 69676E65 642D4365 72746966 69636174 652D3339 31353931
  33383130 819F300D 06092A86 4886F70D 01010105 0003818D 00308189 02818100
  E83DA404 49A1491B 94CF3A63 B319CA8D 0408F3E9 AE19733E A48C85C4 2C7EA5D2
  FDEC6A4F 5DA284A5 6F5AC6D0 4BC695A0 8387C50D B9314C8F B25D2732 94DA1333
  DB699483 F11BA2A5 BD5833E2 ACF2D349 2953A748 0F546DCA B8FFDDEB 5AED7CD7
  D1421873 72D7433B 33D4EB8D 49FEF4B1 E5760AAC A6DCD113 2C4CCAED 98F31323
  02030100 01A36C30 6A300F06 03551D13 0101FF04 05300301 01FF3017 0603551D
  11041030 0E820C43 4D452E73 76616D2E 636F6D30 1F060355 1D230418 30168014
  313E07BE 74B07039 47E2E585 6CCCEA0C 69AF7D72 301D0603 551D0E04 16041431
  3E07BE74 B0703947 E2E5856C CCEA0C69 AF7D7230 0D06092A 864886F7 0D010104
  05000381 81009236 3F2BDF77 CCFF4EB9 D9FAC44A 184B0497 D5165D0C D5C5679B
  CF14D47D 8B18FE7E DE4B85B8 FFC0244E 8A511200 F4D69452 ED0B0FB9 9B25E503
  EFDE1E88 8647E398 1675B2EE 711CD4C4 F88FEAAE 4B05AC8E F1099AF2 83657A78
  6698B812 0C68A8B9 6DD4F46C F2D575CB 3CA777CA 28576712 1B3F4F33 FFE244A5
  1A34B302 B7CE
        quit
!
!
username fersvam privilege 15 password 0 20svam10
archive
 log config
  hidekeys
!
!
controller E1 0/1/0
 framing NO-CRC4
 line-termination 75-ohm
 ds0-group 0 timeslots 1-10 type r2-digital r2-compelled ani
 cas-custom 0
  country telmex
  category 2
  answer-signal group-b 1
  groupa-callerid-end
!
!
class-map match-all cti-qbe
 match access-group 101
class-map match-any AutoQoS-VoIP-RTP-Trust
 match ip dscp ef
class-map match-any AutoQoS-VoIP-Control-Trust
 match ip dscp cs3
 match ip dscp af31
!
!
policy-map cti-qbe
 class cti-qbe
  set dscp af31
    bandwidth 20
policy-map AutoQoS-Policy-Trust
 class AutoQoS-VoIP-RTP-Trust
    priority percent 70
 class AutoQoS-VoIP-Control-Trust
    bandwidth percent 5
 class class-default
    fair-queue
!
!
!
!
!
interface FastEthernet0/0
 no ip address
 duplex auto
 speed auto
 auto qos voip trust
 service-policy output AutoQoS-Policy-Trust
!
interface FastEthernet0/0.1
 encapsulation dot1Q 1 native
 ip address 192.168.6.254 255.255.254.0
!
interface FastEthernet0/0.50
 description vlan voice
 encapsulation dot1Q 50
 ip address 192.168.8.254 255.255.255.0
!
interface Service-Engine0/0
 ip unnumbered FastEthernet0/0.1
 service-module ip address 192.168.6.253 255.255.254.0
 service-module ip default-gateway 192.168.6.254
!
interface FastEthernet0/1
 no ip address
 shutdown
 duplex auto
 speed auto
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 192.168.6.252
ip route 192.168.6.253 255.255.255.255 Service-Engine0/0
ip http server
ip http authentication local
ip http secure-server
!
!
!
access-list 101 permit tcp host 192.168.6.253 any eq 2748
!
!
tftp-server flash:P00305000301.sbn
tftp-server flash:P00403020214.bin
tftp-server flash:term11.default.loads
tftp-server flash:term06.default.loads
tftp-server flash:SCCP11.9-0-2SR1S.loads
tftp-server flash:jar11sccp.9-0-2ES2.sbn
tftp-server flash:dsp11.9-0-2ES2.sbn
tftp-server flash:cvm11sccp.9-0-2ES2.sbn
tftp-server flash:cnu11.9-0-2ES2.sbn
tftp-server flash:apps11.9-0-2ES2.sbn
!
control-plane
!
rmon event 33333 log trap AutoQoS description "AutoQoS SNMP traps for Voice Drop
s" owner AutoQoS
rmon alarm 33333 cbQosCMDropBitRate.34.5364641 30 absolute rising-threshold 1 33
333 falling-threshold 0 owner AutoQoS
disable-eadi
!
!
voice-port 0/0/0
 supervisory disconnect dualtone mid-call
 input gain 2
 echo-cancel coverage 24
 no comfort-noise
 cptone MX
 timeouts interdigit 5
 timeouts call-disconnect 5
 timeouts wait-release 5
 timing hookflash-out 50
 connection plar 2002
 station-id name SVAM
 station-id number 8343126439
 caller-id enable
!
voice-port 0/0/1
 supervisory disconnect dualtone mid-call
 input gain 2
 echo-cancel coverage 24
 no comfort-noise
 cptone MX
 timeouts interdigit 5
 timeouts call-disconnect 5
 timeouts wait-release 5
 connection plar 2004
 station-id name SVAM2
 station-id number 8343147368
 caller-id enable
!
voice-port 0/0/2
 supervisory disconnect dualtone mid-call
 input gain 2
 echo-cancel coverage 24
 no comfort-noise
 cptone MX
 timeouts interdigit 5
 timeouts call-disconnect 2
 timeouts wait-release 5
 connection plar 3001
 station-id name SVAM3
 station-id number 8343147378
 caller-id enable
!
voice-port 0/0/3
 supervisory disconnect dualtone mid-call
 input gain 2
 echo-cancel coverage 24
 no comfort-noise
 cptone MX
 timeouts interdigit 5
 timeouts call-disconnect 5
 timeouts wait-release 5
 timing hookflash-out 50
 connection plar 2012
 station-id name SVAM
 station-id number 8343147394
 caller-id enable
!
voice-port 0/1/0:0
 echo-cancel coverage 32
 cptone MX
 timeouts interdigit 3
 timeouts call-disconnect 3
 timeouts wait-release 2
!
voice-port 0/2/0
 signal groundStart
 ring cadence pattern01
 input gain 3
 output attenuation -2
 no echo-cancel enable
 echo-cancel coverage 24
 no comfort-noise
 timeouts interdigit 5
 timeouts call-disconnect 5
 timeouts wait-release 5
 timing hookflash-in 50 0
 caller-id enable
!
voice-port 0/2/1
!
voice-port 0/2/2
!
voice-port 0/2/3
!
!
!
!
!
dial-peer voice 2 voip
 description VoiceMail
 destination-pattern 3000
 session protocol sipv2
 session target ipv4:192.168.6.253
 dtmf-relay sip-notify
 codec g711ulaw
 no vad
!
dial-peer voice 10 pots
 description llamadas LOCAL
 destination-pattern 9[1-9]......
 direct-inward-dial
 port 0/1/0:0
 forward-digits 7
!
dial-peer voice 21 pots
 description llamadas LD NACIONAL
 destination-pattern 901..........
 direct-inward-dial
 port 0/1/0:0
 forward-digits 12
!
dial-peer voice 31 pots
 description llamadas CELULAR
 destination-pattern 904[45]..........
 direct-inward-dial
 port 0/1/0:0
 forward-digits 13
!
dial-peer voice 40 pots
 description llamadas LD INTERNACIONAL
 destination-pattern 9001..........
 direct-inward-dial
 port 0/1/0:0
 forward-digits 13
!
dial-peer voice 2011 pots
 destination-pattern 2011
 port 0/2/0
!
dial-peer voice 52 pots
 description llamadas LD INTERNACIONAL
 destination-pattern 900.T
 direct-inward-dial
 port 0/1/0:0
 forward-digits 0
 prefix 00
!
dial-peer voice 1 voip
 description VoiceMail
 destination-pattern 3001
 session protocol sipv2
 session target ipv4:192.168.6.253
 dtmf-relay sip-notify
 codec g711ulaw
 no vad
!
dial-peer voice 100 voip
 incoming called-number .
 dtmf-relay h245-alphanumeric
 codec g711ulaw
 no vad
!
!
num-exp 1001 2004
num-exp 1007 2007
num-exp 1002 2002
num-exp 1003 2001
num-exp 1004 2003
num-exp 1005 2005
num-exp 1006 2006
num-exp 1008 2008
num-exp 1009 2009
num-exp 1011 2011
num-exp 1010 2010
num-exp 1012 2012
num-exp 1013 2013
num-exp 1000 3001
!
telephony-service
 pin 356287
 max-ephones 25
 max-dn 25
 ip source-address 192.168.6.254 port 2000
 auto assign 1 to 13
 auto assign 1 to 18
 system message SVAM INTERNATIONAL DE MEXICO
 url services http://192.168.6.253/voiceview/common/login.do
 url authentication http://192.168.6.253/voiceview/authentication/authenticate.d
o
 load 7911 SCCP11.9-0-2SR1S
 time-format 24
 date-format dd-mm-yy
 voicemail 3000
 max-conferences 4 gain -6
 call-forward pattern .T
 moh SVAMPromoAudio.wav
 multicast moh 239.10.16.4 port 16384 route 192.168.8.0
 web admin system name cmeadmin password c15c0123
 dn-webedit
 time-webedit
 transfer-system full-consult
 transfer-pattern .T
 login timeout 1 clear 23:59
 after-hours block pattern 1 9001
 after-hours block pattern 2 904
 after-hours day Sun 00:00 23:59
 after-hours day Mon 00:00 23:59
 after-hours day Tue 00:00 23:59
 after-hours day Wed 00:00 23:59
 after-hours day Thu 00:00 23:59
 after-hours day Fri 00:00 23:59
 after-hours day Sat 00:00 23:59
 create cnf-files version-stamp 7960 Oct 08 2012 17:17:42
!
!
ephone-template  1
 softkeys hold  Resume Newcall Select
 softkeys idle  Redial Newcall Login Pickup Gpickup ConfList Dnd
 softkeys ringing  Answer Dnd
!
!
ephone-dn  1  dual-line
 number 2001
 label Othon
 name Othon
 call-forward busy 3000
 call-forward noan 3000 timeout 18
!
!
ephone-dn  2  dual-line
 number 2002
 label Yesica
 name Yesica
 call-forward busy 3000
 call-forward noan 3000 timeout 18
!
!
ephone-dn  3  dual-line
 number 2003
 label VideoConf Room
 name VideoConf Room
 call-forward busy 3000
 call-forward noan 3000 timeout 18
!
!
ephone-dn  4  dual-line
 number 2004
 label Fernando
 name Fernando
 call-forward busy 3000
 call-forward noan 3000 timeout 18
!
!
ephone-dn  5  dual-line
 number 2005
 label Brenda
 name Brenda
 call-forward busy 3000
 call-forward noan 3000 timeout 18
!
!
ephone-dn  6  dual-line
 number 2006
 label Julio
 name Julio
 call-forward busy 2016
 call-forward noan 3000 timeout 18
!
!
ephone-dn  7  dual-line
 number 2007
 label Dario
 name Dario
 call-forward busy 3000
 call-forward noan 3000 timeout 10
!
!
ephone-dn  8
 number 2008
 label Meeting Room
 name Meeting Room
 call-forward busy 3000
 call-forward noan 3000 timeout 20
!
!
ephone-dn  9  dual-line
 number 2009
 label Mario
 name Mario
 call-forward busy 3000
 call-forward noan 3000 timeout 20
!
!
ephone-dn  10  dual-line
 number 2010
 label Jessica
 name Jessica
 call-forward busy 3000
 call-forward noan 3000 timeout 18
!
!
ephone-dn  11  dual-line
 number 2011
 label Edith
 name Edith
 call-forward busy 2012
 call-forward noan 3000 timeout 20
!
!
ephone-dn  12  dual-line
 number 2012
 label Santos
 name Santos
 call-forward busy 3000
 call-forward noan 3000 timeout 10
!
!
ephone-dn  13  dual-line
 number 2013
 label Nancy
 name Nancy
 call-forward busy 2014
 call-forward noan 3000 timeout 20
!
!
ephone-dn  14  dual-line
 number 2014
 label Nora
 name Nora
 call-forward busy 3000
 call-forward noan 3000 timeout 10
!
!
ephone-dn  15  dual-line
 number 2015
 label Aomori
 name Aomori
 call-forward busy 2017
 call-forward noan 3000 timeout 18
!
!
ephone-dn  16  dual-line
 number 2016
 label Karem
 name Karem
 call-forward busy 3000
 call-forward noan 3000 timeout 10
!
!
ephone-dn  17  dual-line
 number 2017
 label Shara
 name Shara
 call-forward busy 3000
 call-forward noan 3000 timeout 10
!
!
ephone-dn  18  dual-line
 number 2018
 label Luz Elena
 name Luz Elena
 call-forward busy 3000
 call-forward noan 3000 timeout 10
!
!
ephone-dn  20  dual-line
 number 2020
 label Guest
 name Guest
 call-forward busy 3000
 call-forward noan 3000 timeout 10
!
!
ephone-dn  21  dual-line
 number 2021
 label MeeboxMario
 name MeeboxMario
 call-forward busy 3000
 call-forward noan 3000 timeout 10
!
!
ephone  1
 after-hours exempt
 username "othon"
!
!
!
ephone  2
 mac-address 0027.0DBF.8E49
 after-hours exempt
 username "videoconfroom"
 type 7942
 button  1:3
 pin 379002
!
!
!
ephone  3
 mac-address C8F9.F969.EA24
 after-hours exempt
 username "yheredia"
 type 7942
 button  1:2
 pin 928133
!
!
!
ephone  4
 mac-address 34BD.C8C7.33AD
 after-hours exempt
 username "fcastaneda"
 type 7942
 button  1:4
 pin 472928
!
!
!
ephone  5
 mac-address 9CAF.CA84.A11C
 username "bmata"
 type 7911
 button  1:5
 pin 289135
!
!
!
ephone  6
 mac-address 9CAF.CA85.4668
 after-hours exempt
 username "jguerrero"
 type 7911
 button  1:6
 pin 373892
!
!
!
ephone  7
 mac-address 9CAF.CA84.F5EF
 username "rsanchez"
 type 7911
 button  1:7
 pin 648103
!
!
!
ephone  8
 mac-address 0027.0DBF.957E
 after-hours exempt
 username "mroom"
 type 7942
 button  1:8
 pin 563820
!
!
!
ephone  9
 mac-address 9CAF.CA84.A17F
 username "mloyola"
 type 7911
 button  1:9
 pin 838920
!
!
!
ephone  10
 mac-address C8F9.F969.F528
 after-hours exempt
 username "jestrella"
 type 7942
 button  1:10
 pin 296421
!
!
!
ephone  11
 mac-address 9CAF.CA85.4646
 username "eruiz"
 type 7911
 button  1:11
 pin 984170
!
!
!
ephone  12
 mac-address 9CAF.CA85.473A
 username "smarin"
 type 7911
 button  1:12
 pin 985473
!
!
!
ephone  13
 no phone-ui speeddial-fastdial
 no phone-ui snr
 mac-address 9CAF.CA84.F620
 after-hours exempt
 username "ngarcia"
 type 7911
 button  1:13
 pin 984620
!
!
!
ephone  14
 mac-address 0817.35D4.69AB
 username "knight"
 type 7911
 button  1:14
 pin 123456
!
!
!
ephone  15
 mac-address 0019.56D3.5DBA
 username "acamero"
 type 7911
 button  1:15
 pin 123456
!
!
!
ephone  16
 mac-address 0025.8416.774C
 username "kvazquez"
 type 7911
 button  1:16
 pin 123456
!
!
!
ephone  17
 mac-address 0019.AA29.09E7
 username "nmartinez"
 type 7911
 button  1:17
 pin 123456
!
!
!
ephone  18
 mac-address 0024.C444.A977
 username "arosales"
 type 7911
 button  1:18
 pin 123456
!
!
!
ephone  20
 mac-address 9CAF.CA85.0630
 username "Guest"
 type 7911
 button  1:20
 pin 123456
!
!
!
ephone  21
 mac-address C485.08E8.85FA
 username "MarioMeebox"
 type CIPC
 button  1:21
 pin 123456
!
!
!
line con 0
 exec-timeout 0 0
 logging synchronous
line aux 0
line 66
 no activation-character
 no exec
 transport preferred none
 transport input all
 transport output pad telnet rlogin lapb-ta mop udptn v120 ssh
line vty 0 4
 login local
 transport input telnet ssh
!
scheduler allocate 20000 1000
ntp server 189.213.107.202
end

CME#