7920 wireless ip phone getting duplicate ip address

[csco11063007]

Hi,

We have 7920 wireless ip phones.These phones showing error "duplicate ip address" and again configuring ,registering with ccm,and able to call that time .

after sometime again same error and continuing like this within 3 or 4 minutes throught the day .

any experts in this field can show me some light on this issue because i am new to wireless and this organisation

thanking you

thomas

[csco11063007]

Sometime during the call active also ,this phone goes to configuring mode...call get disconnected..

[csco11063007]

We are using DHCP for ip addressing to wireless ip phones.I tried with ip add reservation from dhcp also.

another valid information i forgot to say that when i am switch on the ip phone it authenticate by AP then configuring ip .

After that i am getting a message "provisioning failed"..then it goes to configuring ccm list...

i am waiting for you valuable solution ..

urgent please ..

[alessandro.dona]

Hi,

which version of CCM are you using?

Try to check if during the problem the 7920 registers (or try to ) with the Vgateway?

[csco11063007]

ccm version 4.1(3)SR3a

is it a problem with overlapping access point coverage area ?

[alessandro.dona]

Basically not, (i have a WLAN with some overlapped area), but somewhere i heard about a bug in wichh cisco stated that 7920 could get disconnected during roaming( from sympthom you said i don't think it is your case)

[csco11063007]

how i would get resolve this issue

[alessandro.dona]

To be frank I don't know!

I can tell you in which way i would approach the issue

1)Looking for bug that can match your problem

2)search in the tac case collection(probably someone else could have experienced the same problem)

3)contact teh TAC staff

[alessandro.dona]

P.S let me know if you fix the issue maybe one day i coulod come in this problem

regards