Source note · SIP scanning and telephony denial of service
Webex Calling Local Gateway trunks are either registration-based (digest credentials, IOS XE 17.6.1a or later) or certificate-based (mutual TLS with a publicly signed certificate, IOS XE 17.9.1a or later).
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Webex Calling Local Gateway (IOS XE)
- Subsystem
- Trunk authentication
- Deployment
- hybrid
- Region
- not restricted
- Release range
- IOS XE 17.6.1a+ (registration); 17.9.1a+ (certificate)
- Checked
- 2026-09-25
Sources
- Configure Local Gateway on Cisco IOS XE for Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Registration-based vs certificate-based trunk prerequisites
Cite this note
APA
WarmTransfer. (2026, September 25). SIP scanning and telephony denial of service: source note sip-scanning-tdos-lgw-trunk-auth-types. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-lgw-trunk-auth-types
BibTeX
@misc{warmtransfer-claim-sip-scanning-tdos-lgw-trunk-auth-types,
title = {SIP scanning and telephony denial of service: source note sip-scanning-tdos-lgw-trunk-auth-types},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-lgw-trunk-auth-types},
note = {Source note sip-scanning-tdos-lgw-trunk-auth-types, checked 2026-09-25}
}