Source note · Branded calling and CNAM delivery
Twilio's CNAM display name can be at most 15 characters, must begin with a letter, and may contain only letters, numbers, periods, commas and spaces.
Checked 2026-09-24
- Vendor
- Twilio
- Product
- Programmable Voice CNAM
- Subsystem
- cnam-registration
- Deployment
- multi-tenant
- Region
- us
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Brand your calls using CNAM — Twilio · tier 2 current vendor documentation · display name requirements section
Cite this note
APA
WarmTransfer. (2026, September 24). Branded calling and CNAM delivery: source note branded-calling-cnam-twilio-cnam-15-chars. WarmTransfer. https://warmtransfer.net/knowledge/claims/branded-calling-cnam-twilio-cnam-15-chars
BibTeX
@misc{warmtransfer-claim-branded-calling-cnam-twilio-cnam-15-chars,
title = {Branded calling and CNAM delivery: source note branded-calling-cnam-twilio-cnam-15-chars},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/branded-calling-cnam-twilio-cnam-15-chars},
note = {Source note branded-calling-cnam-twilio-cnam-15-chars, checked 2026-09-24}
}