The Local Gateway media port range is configurable with rtp-port range, and Webex Calling media from the LGW uses SRTP over UDP.

Checked 2026-09-24

Local gateway media port range is configurable with rtp-port range.
Vendor
Cisco
Product
Webex Calling Local Gateway
Subsystem
ports and firewall
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). SD-WAN considerations for voice: source note sdwan-voice-lgw-media-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/sdwan-voice-lgw-media-ports

BibTeX

@misc{warmtransfer-claim-sdwan-voice-lgw-media-ports,
  title  = {SD-WAN considerations for voice: source note sdwan-voice-lgw-media-ports},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sdwan-voice-lgw-media-ports},
  note   = {Source note sdwan-voice-lgw-media-ports, checked 2026-09-24}
}

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