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IP phone not getting registered in CME

Hi

We have some 5-6 IP phones not getting registered to CME . " Registration failed " is coming to these 5-6 phones .

we have enough licenses . TFTP is reachable .  here are the config i have checked in CME

ip dhcp pool VOICE_VLAN

network 10.1.0.0 255.255.255.0

default-router 10.1.0.1

option 150 ip 10.1.0.1

cnf-file perphone

load 7915-12 B015-1-0-4

load 7915-24 B015-1-0-4

load 7942 SCCP42.9-2-1S

load 7945 SCCP45.9-2-1S

load 7962 SCCP42.9-2-1S

load 8945 SCCP894x.9-1-2-SR-1

ip dhcp pool VOICE_VLAN
network 10.1.0.0 255.255.255.0
default-router 10.1.0.1
option 150 ip 10.1.0.1

Telephony service ----

no auto-reg-ephone

cnf-file perphone
load 7915-12 B015-1-0-4
load 7915-24 B015-1-0-4
load 7942 SCCP42.9-2-1S
load 7945 SCCP45.9-2-1S
load 7962 SCCP42.9-2-1S
load 8945 SCCP894x.9-1-2-SR-1

what could be the issue .   Thanks in advance !!!!!

3 REPLIES

IP phone not getting registered in CME

HI Kailash,

Please use the below link,

http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/troubleshooting/guide/ts_phreg.pdf

Also make sure to follow th below tips.

-Make sure to have the compatiable phone loads.

-Should have enough ephone dn and numbers.

-Please cross check the exact MAC id entered in the CME for these phones.

-Please do not overlap any ephone, ephone-dn or buttons.

-Do a factory reset of the phones and try once again

Hope it helps.

Anand

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Blue

IP phone not getting registered in CME

Hi

You aare using "no auto-reg-ephone " under telephony service confguration. It means you will have to add the phones manaually.

Do following configuration.

ephone x

mac address "ip phone Mac address"

reset

Regards

Ronak Patel

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Regards Ronak Patel Rate all helpful post by clicking stars below the answer.
New Member

IP phone not getting registered in CME

Hi Kailash,

                   Are these phones are the same model? Is ther any reason that you are using the comand "cnf-file perphone" as it generates a separate configuration file for each phone. Instead you can use "cnf-file perphonetype" it generates a

configuration file for each type of phone and then use the command "create-cnf" . 

Also if the above doesn't work , let us know if the Phone is getting the IP from the DHCP .

Regards,

Abdul

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