[cisco-voip] IP Phone Keep Looking old CCM

Wes Sisk wsisk at cisco.com
Wed May 13 17:31:07 EDT 2009


Do you have secruity enabled?  If so, you have to updated CTL files to  
make the 6.1 TFTP address a 'valid' TFTP provider.

/Wes

On May 13, 2009, at 5:20 PM, Anthony Kouloglou wrote:

Hi, i had my 4.1 CCM replaced by a 6.1 CUCM.
the old one is still running since it has co resident a CRS with an AA.
I use a trunk to send calls to new 6.1. That works fine
In my DHCP pool, i have the tftp option changed to point at 6.1 IP  
but, the phones even though they have the new option for the TFTP  
(CUCM 6.1) They keep register at old CCM 4.1!!
Only if i shutdown CCM service at 4.1, the phone after a timeout, it  
registers to 6.1.
If then i turn again on the CCM service at 4.1, the phone does not  
register back to the 4.1.
But, if i reset the phone, it goes and registers back to the 4.1!!
I do not use DNS but both CCM have the same name.
Could this be a problem even though i do not use DNS?
how about a factory reset to all phones?

Because when i plugged in a brand new device, it got registered  
directly to the 6.1.
So it has something to do with the "memory" of the old devices.

Thanks
Anthony
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