# How-to guides

Use these guides to update DID numbers in the My Numbers section. They cover routing, registration-related details, CNAM
OUT, renewal, removal, and restoration tasks.

**Assign a voice trunk**

Assign a voice trunk to one or more DID numbers.

[Assign a voice trunk](assign-voice-trunk.html)

**Assign an SMS trunk**

Assign an inbound SMS trunk to one or more SMS-enabled DID numbers.

[Assign an SMS trunk](assign-sms-trunk.html)

**Assign end-user details**

Assign identity and address records to numbers that require registration.

[Assign end-user details](assign-end-user-details.html)

**Filter numbers**

Filter DID numbers, including multiple-number searches with Bulk Input.

[Filter numbers](filter-numbers.html)

**Manage CNAM OUT**

Enable or remove CNAM OUT for supported DID numbers.

[Manage CNAM OUT](configure-cnam-out.html)

**Renew a number**

Renew a DID number or renew multiple numbers with a batch action.

[Renew a number](renew-number.html)

**Remove a number**

Cancel one DID number or remove multiple DID numbers at once.

[Remove a number](remove-number.html)

**Restore a number**

Restore eligible manually canceled DID numbers.

[Restore a number](restore-number.html)

**Change next capacity mode**

Change DID numbers between supported DID+0 and DID+2 capacity modes.

[Change next capacity mode](change-next-capacity-mode.html)

**Set capacity limits**

Limit the maximum number of concurrent inbound calls for DID numbers.

[Set capacity limits](set-capacity-limits.html)

**Assign DID numbers to a capacity group**

Assign one or more DID numbers to an existing Capacity group.

[Assign DID numbers to a capacity group](assign-dids-to-capacity-group.html)

**Unassign DID numbers from a capacity group**

Remove one or more DID numbers from their current capacity group.

[Unassign DID numbers from a capacity group](unassign-dids-from-capacity-group.html)