Source note · SIP scanning and telephony denial of service
The Local Gateway trusted list should include the regional Webex Calling data center ranges, Unified CM server addresses, and PSTN trunk gateway addresses.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Webex Calling Local Gateway (IOS XE)
- Subsystem
- Toll fraud prevention
- Deployment
- hybrid
- Region
- not restricted
- Release range
- current as of 2026-09-25
- 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 · Toll Fraud Prevention section (ip address trusted list entries)
Cite this note
APA
WarmTransfer. (2026, September 25). SIP scanning and telephony denial of service: source note sip-scanning-tdos-lgw-trusted-contents. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-lgw-trusted-contents
BibTeX
@misc{warmtransfer-claim-sip-scanning-tdos-lgw-trusted-contents,
title = {SIP scanning and telephony denial of service: source note sip-scanning-tdos-lgw-trusted-contents},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-lgw-trusted-contents},
note = {Source note sip-scanning-tdos-lgw-trusted-contents, checked 2026-09-25}
}