Although not much information about CAT-iq and provisioning is available yet, we found a white paper from Tilgrin with IMS and provisioning where the topics. CAT-iq and DECT were mentioned.
A short abstract;
Leveraging IMS to Deliver More Services to the Home
This paper focuses on Tilgin IMS@Home developments, its key functional modules and examples of the services and applications it facilitates. The paper also gives more definition to the new next-generation services that operators are showing interest in.
This part is about DECT and CAT-iq
For ISDN markets, the home gateways require not only POTS interfaces to legacy phones, faxes, and modems, but also BR
emerging interest for integration of a next generation DECT / CAT-iq base station into the home gateway, supplying more functionality as well as using wideband voice codecs to deliver better than PSTN voice quality.
Here you can find the complete white paper.