Source note · PRI and TDM gateway interworking
The Cisco Local Gateway TDM example marks loop-around calls with over-decadic prefixes such as A1A and A2A. Voice translation rules add these tags on ingress and strip them before the call leaves on the destination trunk.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Webex Calling Local Gateway
- Subsystem
- TDM call routing
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Configure Local Gateway on Cisco IOS XE for Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Section 'Configure Local Gateway with a TDM PSTN trunk', translation-rule steps
Cite this note
APA
WarmTransfer. (2026, September 24). PRI and TDM gateway interworking: source note legacy-pri-tdm-lgw-routing-tags. WarmTransfer. https://warmtransfer.net/knowledge/claims/legacy-pri-tdm-lgw-routing-tags
BibTeX
@misc{warmtransfer-claim-legacy-pri-tdm-lgw-routing-tags,
title = {PRI and TDM gateway interworking: source note legacy-pri-tdm-lgw-routing-tags},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/legacy-pri-tdm-lgw-routing-tags},
note = {Source note legacy-pri-tdm-lgw-routing-tags, checked 2026-09-24}
}