Reference
Remy Reference/admin/Set caller-ID name
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Set caller-ID name

Sets or clears the outbound caller-ID display name (CNAM).
admin.voice.numbersSetName(e164, name)

Sets the outbound caller-ID display name (CNAM) callers see, or clears it with an empty name. The value is 1 to 15 letters, numbers, or spaces; the number must be active first; and carrier propagation takes 12 to 72 hours, with the receiving carrier making the final call on what displays.

Parameters
<e164>
string
RequiredThe number, E.164 or bare 10-digit US.
<name>
string
1 to 15 letters, numbers, or spaces. Omit or pass --clear to remove.
--clear
flag
Remove the listing.
CLI
remy-admin voice numbers set-name +13105551234 "Acme Corp"