Hi,
i have CUE on ISR 4k but after transfer calto csccp phone i can't hear ringback tone, after transfer to SIp phone it's ok.
i tried with:
CUE:
ccn subsystem sip
transfer-mode blind refer
CME:
voice service voip
no supplementary-service sip moved-temporarily
supplementary-service sip refer
but no result,
