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CME SIP 503 service unavailable phones not registering

liquidado
Level 1
Level 1

Hello,

 

 I have an ISR4431 as a CME.

It has been working for a lot of time, but this morning all phones are not registering. The CME is binding IPs to the phones, and the phones are getting the *.cnf file from the CME, but when the phone is traying to register, the CME returns "Status: 503 Service Unavailable".

 

I put here some parts of the configuration.

 

CME_I#sh run | sec voice register global
voice register global
mode cme
source-address 172.29.2.249 port 5060
max-dn 200
max-pool 200
load 7811 sip78xx.14-0-1-0001-135
authenticate register
timezone 20
tftp-path flash:
create profile sync 0008544515015595
auto-register
!

CME_I#sh run | sec voice service voip
voice service voip
ip address trusted list
ipv4 172.29.20.249
allow-connections sip to sip
fax protocol t38 version 0 ls-redundancy 0 hs-redundancy 0 fallback none
trace
sip
bind control source-interface Loopback0
bind media source-interface Loopback0
registrar server
early-offer forced

CME_I#sh run | sec telephony-service
telephony-service
protocol mode ipv4
sdspfarm units 10
sdspfarm tag 1 conference
conference hardware
max-ephones 100
max-dn 100
ip source-address 172.29.2.249 port 2000
service profile phonePassword Sc2nea21
service phone pcPort 1
load 6921 sip78xx.14-0-1-0001-135
max-conferences 5 gain -6
transfer-system full-consult
create cnf-files version-stamp 7960 Jul 02 2021 08:07:12
CME_I#

CME_I#sh voice register tftp-bind
tftp-server url flash:/its/syncinfo.xml alias syncinfo.xml
tftp-server url flash:/its/SIPDefault.cnf alias SIPDefault.cnf
tftp-server url flash:/its/softkeyDefault_kpml.xml alias softkeyDefault_kpml.xml
tftp-server url flash:/its/softkeyDefault.xml alias softkeyDefault.xml
tftp-server url flash:/its/skPublicConf_kpml.xml alias skPublicConf_kpml.xml
tftp-server url flash:/its/skPublicConf.xml alias skPublicConf.xml
tftp-server url flash:/its/skPersonalConf_kpml.xml alias skPersonalConf_kpml.xml
tftp-server url flash:/its/skPersonalConf.xml alias skPersonalConf.xml
tftp-server url flash:/its/featurePolicyDefault.xml alias featurePolicyDefault.xml
tftp-server url flash:/its/SEP701F5387A9A3.cnf.xml alias SEP701F5387A9A3.cnf.xml
tftp-server url flash:/its/SEP701F5387ABE5.cnf.xml alias SEP701F5387ABE5.cnf.xml
tftp-server url flash:/its/SEP701F5387A9E3.cnf.xml alias SEP701F5387A9E3.cnf.xml
tftp-server url flash:/its/SEP701F5387ABF7.cnf.xml alias SEP701F5387ABF7.cnf.xml
tftp-server url flash:/its/SEP701F5387AB2C.cnf.xml alias SEP701F5387AB2C.cnf.xml
tftp-server url flash:/its/SEP701F5387A9AB.cnf.xml alias SEP701F5387A9AB.cnf.xml
tftp-server url flash:/its/SEP701F5387AB35.cnf.xml alias SEP701F5387AB35.cnf.xml
tftp-server url flash:/its/SEP701F5387A9A2.cnf.xml alias SEP701F5387A9A2.cnf.xml
tftp-server url flash:/its/SEP00279024A695.cnf.xml alias SEP00279024A695.cnf.xml
tftp-server url flash:/its/SEP00279024A63A.cnf.xml alias SEP00279024A63A.cnf.xml
tftp-server url flash:/its/SEP701F5387A96A.cnf.xml alias SEP701F5387A96A.cnf.xml
tftp-server url flash:/its/SEP00279024A6C0.cnf.xml alias SEP00279024A6C0.cnf.xml
tftp-server url flash:/its/SEP00279024A69B.cnf.xml alias SEP00279024A69B.cnf.xml
tftp-server url flash:/its/SEP00279024A733.cnf.xml alias SEP00279024A733.cnf.xml
tftp-server url flash:/its/SEP00279024A6D6.cnf.xml alias SEP00279024A6D6.cnf.xml
tftp-server url flash:/its/SEP00279024A6DE.cnf.xml alias SEP00279024A6DE.cnf.xml
tftp-server url flash:/its/SEP00279024A72C.cnf.xml alias SEP00279024A72C.cnf.xml
tftp-server url flash:/its/SEP00279024A5C5.cnf.xml alias SEP00279024A5C5.cnf.xml
tftp-server url flash:/its/SEP00279024A597.cnf.xml alias SEP00279024A597.cnf.xml
tftp-server url flash:/its/SEP00279024A61F.cnf.xml alias SEP00279024A61F.cnf.xml
tftp-server url flash:/its/SEP00279024A724.cnf.xml alias SEP00279024A724.cnf.xml
tftp-server url flash:/its/SEP00279024A68C.cnf.xml alias SEP00279024A68C.cnf.xml

 

Attached is a capture of a traffic capture

Any one can help?

 

 

3 Replies 3

try to go to voice service voip > sip > call service stop then call service
start

If it didn't work, try to reboot.

**** please remember to rate useful posts

liquidado
Level 1
Level 1

I just realize this about licensing

 

9BEA0C54-4538-434C-95B6-4A6FEB063680.JPG3C9301FE-420E-4E42-AD78-AA9D98AC0521.JPG

 

This CME is in a network isolated from the internet. But it has benn working since a lot of time till yesterday...

 

It is possible to disable this smart license feature?

Whats your router model, and what's your iOS version. to disable smart licensing you need to downgrade. 

 

You can install On prem SSM if you dont want your cisco router to connect with internet. 



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