As per the dial-peer command, you can have more than 2 billion dial-peers.
(config)#dial-peer voice ?
<1-2147483647> Voice dial-peer tag
But the number of dial-peers you can configure would be limited by the physical memory. Couldn't find any doc that says how much memory is used per dial-peer. May be someone else can shed some light on this.
I did a quick check in my router by monitoring the memory usage before and after adding a dial-peer. It seems to use close to 4 KB per dial-peer. This value is not be accurate as something is always happening in the box.
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...