Hello, is it possible to update lamp status (turn green or red) of a SD BLF using SIP Message (not TAPI) for IP Phone 8800 with on prem CUCM (version 12) ?
This bug is been fixed in CUCM version 11.1.10000-10 release which is present on CCO. Apart from 11.X version the following defect is fixed in 10.5.X release 10.5(2.12027.1)10.5(2.12900.11)10.5(2.12900.14)