A Twilio SIP credential password must be at least 12 characters, contain at least one digit and have mixed case, and the username can be up to 32 characters long.
Checked 2026-09-24
The password must be a minimum of 12 characters, contain at least 1 digit, and have mixed case.
- Vendor
- Twilio
- Product
- Programmable Voice SIP API
- Subsystem
- credential lists
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- SIP Credential resource — Twilio · tier 2 current vendor documentation · Parameters > Password; Username
Cite this note
APA
WarmTransfer. (2026, September 24). Setting up an Asterisk PBX with Twilio Elastic SIP Trunking: source note asterisk-twilio-pbx-setup-credential-password-rules. WarmTransfer. https://warmtransfer.net/knowledge/claims/asterisk-twilio-pbx-setup-credential-password-rules
BibTeX
@misc{warmtransfer-claim-asterisk-twilio-pbx-setup-credential-password-rules,
title = {Setting up an Asterisk PBX with Twilio Elastic SIP Trunking: source note asterisk-twilio-pbx-setup-credential-password-rules},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/asterisk-twilio-pbx-setup-credential-password-rules},
note = {Source note asterisk-twilio-pbx-setup-credential-password-rules, checked 2026-09-24}
}