Barring Outgoing Calls [extra Quality] Jun 2026

| Category Code | Description | Function | | :--- | :--- | :--- | | | All Outgoing Calls | Blocks all voice calls to any number. (Emergency numbers like 911/112 are whitelisted by default and cannot be blocked). | | BOC-INT | International Calls | Blocks calls to numbers with international dialing prefixes (e.g., +1 , 00 ). | | BOC-ROAM | International Calls while Roaming | Blocks outgoing calls only when the user is connected to a visited network outside their home country. | | BOC-PREMIUM | Premium Rate Services | Blocks calls to service numbers (e.g., 1900 numbers, voting lines) that incur high charges. | | BOC-WLIST | Whitelist Mode (Allow List) | Blocks all calls except numbers specifically added to a "Trusted Contacts" list. |

: Disables all dialing capabilities, turning the phone into a "receive-only" device (emergency calls are usually exempt). barring outgoing calls

: Blocks international calls while you are abroad to avoid massive roaming fees. | Category Code | Description | Function |

What is Call Barring | Steps to Activate Call Barring - Vi Blog | | BOC-ROAM | International Calls while Roaming