I want to upgrade my CUCM from version 4.3 to version 7.0. I have on a remote site a Cisco 3725 with the SRST feature.
I want to know first if this platform is compatible with CUCM and with which IOS ?
Because I've search on the compatibility tools and matrix on Cisco Site, but I haven't find any reference for this platform.
It's specified that we need to put at minimum an IOS release 12.4.20 T on the Voice Gateway, but the last version for 3725 is 12.4.15 T11
Thanks in advance for your response if someone has encountered this case