This feature is located on the Real-Time Communications column in your numbers section of your Mission Control Portal account.
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Enabling this feature on your DID will allow for Telnyx to DIP the CNAM databases, to determine if there is a name associated with the callers number on your inbound calls. If there is, we'll pass this along in our SIP INVITES to your connection.
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1. On the number you want to enable inbound CNAM, click on the business card icon.

2. Visit the section with CNAM Caller ID Lookup and toggle the option to enable the setting.

3. Accept the MRC (Monthly Recurring Charge) for this feature and click save changes at the bottom.