Is there any timeframe for 8831 support with Spark?

I'm working on a 2911, with a ISM-SRE-300-K9 running CUE 8.6.7 (confirmed clean install).  The CTI Ports are not registering with CUCM, all the steps have been triple checked, yet they don't register. The CUE talks to CM fine and pulls the 4 CTI Port...

I currently have a UC520 attached to my network, not as my default gateway or router.  It's attached just as a network device which I set option 150 for using my router's DHCP scope.My default gateway is a cisco 871, IP 192.168.5.1 - the UC520 CME IP...