CME SIP phone unregiestered issue

[Mohammed Al-odhari]

Dear all,
I have cisco 2911 cme version 12.0 with IP phones model (7821 and 8841).
I have a permanet issue in which phones become unregistered in different times of the day
the command show voice register pool unregistered shows the ip phones unregistered and shows busy signal.

Below are some of the show run; I also remove the command no authenticate register, but same issue. Also i update the phone firmware, what make the ip phone go unregistered????
Please help.
Attached also show run.

!
voice service voip
 ip address trusted list
  ipv4 0.0.0.0 0.0.0.0
 allow-connections h323 to h323
 allow-connections h323 to sip
 allow-connections sip to h323
 allow-connections sip to sip
 supplementary-service h450.12
 no supplementary-service sip handle-replaces
 fax protocol t38 version 0 ls-redundancy 0 hs-redundancy 0 fallback none
 sip
  bind control source-interface GigabitEthernet0/0
  bind media source-interface GigabitEthernet0/0
  min-se 600
  registrar server expires max 36000 min 600
!
!
voice register global
 mode cme
 source-address 172.16.28.15 port 5060
 bandwidth video tias-modifier 512000 negotiate end-to-end
 max-dn 60
 max-pool 30
 load 7821 sip78xx.11-7-1-17.loads
 load 8841 sip88xx.11-5-1-18
 authenticate register
 timezone 31
 date-format D/M/Y
 voicemail 667
 call-feature-uri pickup http://172.16.28.15/pickup
 url authentication http://172.16.28.15/CCMCIP/authenticate.asp
 tftp-path flash:
 file text
 create profile sync 0081827327161543
 conference hardware
 !
!
!
voice register dn  1
 number 6000
 allow watch
 pickup-group 400
 name Maged Ba Hadi
 shared-line max-calls 3
!
!
voice register pool  1
 busy-trigger-per-button 2
 id mac 00E1.6DBA.439B
 type 7821
 number 1 dn 1
 template 1
 cor incoming PRIVATELINES-6000 default
 dtmf-relay rtp-nte sip-notify
 username test1 password test1

!
regards,

[Maren Mahoney]

I don't see anything jumping out at me. Is is possible for you to run a 'debug voice register events', and then collect and post a debug of the unregistration/reregistration process?

[Mohammed Al-odhari]

Dears, Today the issue shows that the phone is registered but when i call it, it shows busy signal.

This applies for the below table pool 1, 3 and 4

Forget about the unregistered phones, am focusing on the phones which are registered but with busy tone (5100, 5102 & 5103)

Please refer to attached for debug commands and show run.

Thanks...

SeiyunBR#sh voice register pool all brief
Pool ID              IP Address      Ln DN  Number               State
==== =============== =============== == === ==================== ============
1    00E1.6DBA.439B  172.16.28.103   1  1   5100$                REGISTERED   
2    0027.9024.399F  172.16.28.108   1  2   5101$                REGISTERED   
3    CC5A.535F.E1F1  172.16.28.114   1  3   5102$                REGISTERED   
4    0027.9024.37B0  172.16.28.115   1  4   5103$                REGISTERED   
5    0027.9024.37C3  172.16.28.117   1  5   5104$                REGISTERED   
6    0027.9024.39CD  172.16.28.119   1  6   5105$                REGISTERED   
7    0027.9024.3723                  1  7   5106                 UNREGISTERED
8    00E1.6DBA.44FF  172.16.28.109   1  8   5107$                REGISTERED   
9    BC67.1C31.009B  172.16.28.113   1  9   5108$                REGISTERED   
10   0027.9024.3808  172.16.28.118   1  10  5109$                REGISTERED   
11   00E1.6DBA.4638  172.16.28.116   1  11  5110$                REGISTERED   
12   2C3E.CF87.D495  172.16.28.120   1  12  5115$                REGISTERED   
13   00E1.6DBA.45A6                  1  13  5112                 UNREGISTERED
14   544A.0036.AFA7                  1  14  5113                 UNREGISTERED
15   00E1.6DBA.4535                  1  15  5114                 UNREGISTERED

[R0g22]

Don't see a single call in the debug. Take ccsip message and error as well as voice ccapi inout

[R0g22]

Check the Gig interface for any drops etc. Do that on your switch as well. If this happens at the exact same time and everyday, see if there is a SNMP/Monitoring tool polling on your network and does a traffic burst. 

You might want to setup a syslog server with SIP debugs enabled.

[Mohammed Al-odhari]

Thanks Nipun for your replay,
Please see my replay above and help if you can.

regards,

[R0g22]

I already checked the logs and advised for correct logs. Check my response to your post.