Problem with IP Phone stuck with network configurations and its restricted!

[eug-c]

Hi,

I'm kinda stuck in a loop.

I have a phone which was originally registered to my CCM Cluster A and they configured the phone settings to be 'restricted'. (Using CCM4.2(3))

Now I brought this phone to my other office and needs to get it registered. However, I can't seem to clear the network config or change the TFTP as the network configuration is restricted. So i can't get it registered to remove that restriction. Loop!

I'm using a 7961 and have tried doing a factory reset. Can't do a erase config as it is disabled.

Any other things i can try?

:)

Thanks all,

Eugene

[paolo bevilacqua]

This happened to me with a 7912, until I got the right DHCP options it wanted, it kept cycling and would not accept DHCP reply.

Do you have default router in DHCP setting ?

The Log viewer should be like:

Rcvd DHCP Discover Msg for IP 0.0.0.0, Mac 00:1A:2F:49:01:90 [05/07 16:03:39.343]

DHCP: proposed address 192.168.1.201 [05/07 16:03:39.343]

Rcvd DHCP Rqst Msg for IP 0.0.0.0, Mac 00:1A:2F:49:01:90 [05/07 16:03:39.343]

Previously allocated address acked [05/07 16:03:39.343]

Connection received from 192.168.1.201 on port 49152 [05/07 16:03:41.046]

Read request for file . Mode octet [05/07 16:03:41.046]

My offer stands :)

[eug-c]

Hi Paolo,

Think I'm either unlucky or i'm unlucky.

After opening TFTPD32 a couple of times, i get this :

Error 10048

Only one usage of each socket address (protocol/network address/port) is normally permitted.

Tftpd32 can not bind the DHCP port

an aplication is already listening on this port.

Sorry to trouble you so much, Paolo.

:)

Thanks man.

[paolo bevilacqua]

Do not give up. Just reboot PC perhaps. Once TFTP3D2 is running with the right dhcp config, and the files there, it will revive the phone.

For a try, I just did it with a 7941 and deep reset.

Please do not rate me anymore on this thread as it's unfair :)

[eug-c]

Well, I feel it is totally fair. It is not easy to get some help that is so quick to respond, so helpful.

Let's end the thread here.

I'll continue trying.

Thanks so much for your help!

Appreciate it alot!

:)

Eugene

[sr2290723]

Hi Paolo and Eugene,

I also tried the same way as what Eugene did. And I encounter the same problem, the phone does not get any IP. The settings is just exactly the same as you recommend. Take a look : my PC IP address is 192.168.150.2.

Then the DHCP settings :

IP Pool starting address : 192.168.150.1

Size of pool : 10

Boot file : empty

WINS/DNS Server :

I emptied it, but by default it change to 255.255.255.255

Default router :

I emptied it, but by default it change to 255.255.255.255

Mask : 255.255.255.0

Domain name : empty

Additional Option : 150 192.168.150.2

And TFTP settings :

Current directory : C:\Program Files\Tftpd32

The default load : term11.default.load and term61.default.load are put into C:\Program Files\Tftpd32\

I use cross cable also. You can see the log I attach.

Any mistake ? Thanks.

Wiyandi

[paolo bevilacqua]

Hi,

Pool shold not overlap PC address, and default router should be same as PC address.

[sr2290723]

Hi Paolo,

Now the phones get IP address, thanks to your inputs. But any idea why it doesn't want to take the default load on TFTP ? My TFTP settings on TFTPD32 is Option 150 0x1496A8C0. My PC address is 192.168.150.20.

Or did I miss something ? Thanks

Wiyandi

[paolo bevilacqua]

Hi, please try option 66 instead 150,with PC address in dotted decimal. If doesn't work, copy and paste here the output from "log viewer" tab.

[sr2290723]

Hi Paolo,

Still problem. I attached some screen captures about DHCP settings, TFTP settings and log, and also my IP address settings, so you can take a look.

When I tried to ping 192.168.150.1 from my PC, it's RTO / destination unreachable. It means that actually the phone doesn't have any IP Address, although it's acked. Can you attach the working configuration of yours ?

Wiyandi

[paolo bevilacqua]

Hi,

Which phone is this? When phones keep asking DHCP, it means something is not right with the reply they got. Once again, try option 150 with the same PC address in dotted decimal.

[sr2290723]

It's 7911. I've tried option 150, but the result is worse, no ACK appear in the log.

It was a normal phone, and then I press the factory reset sequence numbers (123456789*0#), after that I connect it to my PC. Is it the right way ?

Thanks

Wiyandi

[paolo bevilacqua]

Yes. I will try that with tftpd32 and a 7911 from reset sequence. I have a suspicion, will let you know.