Source note · Setting up a Bandwidth SIP trunk

Bandwidth documents a SIP Authentication (network bridge) option in which a realm and SIP credentials are created under Account > SIP Credentials, the first INVITE is challenged with a 407, and the INVITE is resent with a Proxy-Authorization header.

disputed · Checked 2026-09-30

Vendor: Bandwidth
Product: SIP Authentication (network bridge)
Subsystem: authentication
Deployment: cloud
Region: not restricted
Release range: current as of 2026-09-30
Status: disputed
Checked: 2026-09-30

Sources

SIP Authentication (network bridge) setup and configuration — Bandwidth · tier 2 current vendor documentation · Realm Creation, SIP Credentials Creation and call-flow sections

Cite this note

APA

WarmTransfer. (2026, September 30). Setting up a Bandwidth SIP trunk: source note bandwidth-sip-trunk-setup-digest-auth-option. WarmTransfer. https://warmtransfer.net/knowledge/claims/bandwidth-sip-trunk-setup-digest-auth-option

BibTeX

@misc{warmtransfer-claim-bandwidth-sip-trunk-setup-digest-auth-option,
  title  = {Setting up a Bandwidth SIP trunk: source note bandwidth-sip-trunk-setup-digest-auth-option},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/bandwidth-sip-trunk-setup-digest-auth-option},
  note   = {Source note bandwidth-sip-trunk-setup-digest-auth-option, checked 2026-09-30}
}

Read in context