Source note · Webex Calling ICE media path optimization
Cisco states that browsers use an ephemeral source port for Webex Calling media that can be controlled by setting the WebRtcUdpPortRange policy in a mobile device management profile, and that the Webex Calling service behaves normally if no such service is set.
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
- Port Reference Information for Webex Calling — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · IP Subnets for Webex Calling Services, WebRTC row
Cite this note
APA
WarmTransfer. (2026, September 16). Webex Calling ICE media path optimization: source note wxice-browser-media-ports-are-ephemeral. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxice-browser-media-ports-are-ephemeral
BibTeX
@misc{warmtransfer-claim-wxice-browser-media-ports-are-ephemeral,
title = {Webex Calling ICE media path optimization: source note wxice-browser-media-ports-are-ephemeral},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxice-browser-media-ports-are-ephemeral},
note = {Source note wxice-browser-media-ports-are-ephemeral, checked 2026-09-16}
}