Is there a uc540 compatibility with issue with 9971?

[280madison]

Is there a uc540 compatibility with issue with 9971? I cant create hunt groups with my 9971s.

[flemmanu]

Cisco phones CP8961 / CP9951 / CP9971

- These phones have limited feature support; these are the only features 
that are supported:
- Topology View
- Voicemail
- Auto Attendant
- Dial by name
- Blast group
- Dial Plan
- Normal Lines
- These phones are not supported with Teleworker nor Multisite 
environments.
- There is no support for these phones in the Telephony Setup Wizard 
(TSW).
- Cisco Unified IP Color Expansion Modules (sidecars) are not supported.