Have a request that on one extension(extA) only, to forward all incoming external calls to another extension(extB) and allow only internal calls to ring to extension(extA). I didn't see a way of doing this under the extension itself.  Any help would ...

Hello all - so strange issue here which didn't start after upgrading to CUCM 8.6.  Everything in the environment works just fine except for users who daisy chain(phone to wallport and docking station into phone) into docking stations with 7961's.   W...