Bandwidth offers a separate SIP Registrar capability that sales must enable; it uses customer-supplied MD5 hash values (username:realm:password) for digest credentials on a per-realm auth.bandwidth.com domain.
Checked 2026-10-02
- Vendor
- Bandwidth
- Product
- Bandwidth SIP Registrar
- Subsystem
- registration
- Deployment
- multi-tenant
- Region
- us
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- How to setup SIP Registration — Bandwidth · tier 2 current vendor documentation · Sections on realm creation and credentials (Hash1 and Hash1b)
Cite this note
APA
WarmTransfer. (2026, October 2). SIP trunk authentication: registration and static IP and mutual TLS: source note sip-trunk-authentication-models-bandwidth-registrar-product. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-authentication-models-bandwidth-registrar-product
BibTeX
@misc{warmtransfer-claim-sip-trunk-authentication-models-bandwidth-registrar-product,
title = {SIP trunk authentication: registration and static IP and mutual TLS: source note sip-trunk-authentication-models-bandwidth-registrar-product},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-trunk-authentication-models-bandwidth-registrar-product},
note = {Source note sip-trunk-authentication-models-bandwidth-registrar-product, checked 2026-10-02}
}