[OSL | CCIE_Voice] Cisco 7941 phones only showing two ring tones!!

Has anyone come across this? One of my customer is having few 7941s which is just showing two ringtones Chirp 1 and Chirps 2. A message on the phone says 'ring list unavailable' Could it be a firmware issue? CUCM 6.1.2.1000-13 Some details from the phone: Host Name SEP00215554

Re: [OSL | CCIE_Voice] Cisco 7941 phones only showing two ring tones!!

I have had a customer in the past with a similar issue. The problem was that a firewall was blocking a portion of the port range from the phones to the TFTP server. So, when the phone would negotiate the transfer port, sometimes it was blocked and other times it wasn't. This is why it was not

Re: [OSL | CCIE_Voice] Cisco 7941 phones only showing two ring tones!!

Thanks Adam. I will have a look at it. Ash Adam Thompson wrote: I have had a customer in the past with a similar issue. The problem was that a firewall was blocking a portion of the port range from the phones to the TFTP server. So, when the phone would negotiate the transfer port, sometimes