Source note · Webex Calling architecture and deployment models
For an inter-region call the access session border controllers in both regions anchor the media, the traffic between those access SBCs traverses the global Webex backbone, and only the part of the media flow between the endpoints and their own region's access SBC traverses the Internet as the access network.
Checked 2026-09-16
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- media path
- Deployment
- not restricted
- Region
- not restricted
- Release range
- not restricted
- Checked
- 2026-09-16
Sources
- Cisco Preferred Architecture for Webex Calling — Design Overview — Cisco Systems, Inc. (CTG TME) · tier 2 current vendor documentation · Architectural Overview, Figure 4 Inter-region Media Flow with Regional Access SBC
Cite this note
APA
WarmTransfer. (2026, September 16). Webex Calling architecture and deployment models: source note wxarch-inter-region-media-crosses-the-backbone. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxarch-inter-region-media-crosses-the-backbone
BibTeX
@misc{warmtransfer-claim-wxarch-inter-region-media-crosses-the-backbone,
title = {Webex Calling architecture and deployment models: source note wxarch-inter-region-media-crosses-the-backbone},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxarch-inter-region-media-crosses-the-backbone},
note = {Source note wxarch-inter-region-media-crosses-the-backbone, checked 2026-09-16}
}