Source note · Webex Calling ICE media path optimization
Cisco recommends turning off the SIP Application Layer Gateway or similar function on any SIP aware router or firewall, stating that although all Webex Calling traffic is encrypted certain SIP ALG implementations can cause issues with firewall traversal.
Checked 2026-09-16
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- network
- 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 · SIP Application Layer Gateway
Cite this note
APA
WarmTransfer. (2026, September 16). Webex Calling ICE media path optimization: source note wxice-sip-alg-should-be-turned-off. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxice-sip-alg-should-be-turned-off
BibTeX
@misc{warmtransfer-claim-wxice-sip-alg-should-be-turned-off,
title = {Webex Calling ICE media path optimization: source note wxice-sip-alg-should-be-turned-off},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxice-sip-alg-should-be-turned-off},
note = {Source note wxice-sip-alg-should-be-turned-off, checked 2026-09-16}
}