For both internal and external calls
ephone-dn
caller-id block
* This does not apply for E1R2, because caller id blocking is a flag in the setup messages and E1R2 does not support that. This does not apply for FXO, because caller id is controllerd by Telco on FXO. Use translation patterns to change caller ID to null
Only external calls
dial-peer voice 10 pots
clid strip – to block only the number
clid strip name – to block only the name
To send only caller name
telephony-service
caller-id name-only
To block caller id on a call by call basis
telephony-service
caller-id block code *67