Block a caller
Block a phone number so it can no longer reach your AI phone agent, from the Blocked Numbers tab or from a conversation in your inbox.
To block a caller, add their number on your agent’s Blocked Numbers tab. Blocked numbers cannot reach that agent. You can also block a number from a conversation in your inbox.
Block a number from the Blocked Numbers tab
Section titled “Block a number from the Blocked Numbers tab”-
Open the tab.
Open AI Phone Agents, select your agent, scroll to Agent Settings, and select Blocked Numbers.
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Select Block Number.

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Enter the number.
Type it in Phone Number, in any format, for example +1234567890 or (123) 456-7890. Numbers need at least 10 digits. A 10-digit number is treated as a US number.
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Add a reason, if you like.
Reason (Optional) helps you remember why, for example Spam caller.
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Confirm.
Select Block Number. You see Phone number blocked successfully and the number appears in the list.
Block a number from the inbox
Section titled “Block a number from the inbox”If a caller or texter appears in your inbox, open the conversation and select the block icon at the top (Block number). Confirm with Block Number. You can add a reason. The same control shows Unblock number once blocked. It appears only when the conversation can be blocked.
Unblock a number
Section titled “Unblock a number”On the Blocked Numbers tab, open the menu in ACTIONS, select Unblock Number, type I understand, and select Unblock Number.
Troubleshooting
Section titled “Troubleshooting”I see “Please enter a valid phone number”
Section titled “I see “Please enter a valid phone number””Enter at least 10 digits. Add the country code with a leading + for numbers outside the US.