I cant find any information about this gateway for CUCM MGCP in 7.x. It's supported to configure, but Im not sure if I need to upgrade the IOS level of the device. It's currently working in 4.x with MGCP. Im assuming it will still work, but want to confirm. In the design guide, it has IOS levels for all other gateways, but not this little bugger.
I have the option of retiring the gateway now, and replacing it will a 2800 or upgrade to 7.x, then replace it later. My DMA ran fine with the vg200 on 7x.