Source note · Troubleshooting a Webex Calling Local Gateway
Webex Calling supports only the SHA1_80 SRTP cipher suite (AES_CM_128_HMAC_SHA1_80), so the Local Gateway is configured to offer only that suite on the Webex side.
Checked 2026-09-25
Webex Calling only supports SHA1_80.
- Vendor
- Cisco
- Product
- Webex Calling Local Gateway (CUBE)
- Subsystem
- SRTP
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Configure Local Gateway on Cisco IOS XE for Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Configure Webex Calling registration-based trunk, voice class srtp-crypto 100 explanation
Cite this note
APA
WarmTransfer. (2026, September 25). Troubleshooting a Webex Calling Local Gateway: source note webex-local-gateway-troubleshooting-srtp-sha1-80. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-local-gateway-troubleshooting-srtp-sha1-80
BibTeX
@misc{warmtransfer-claim-webex-local-gateway-troubleshooting-srtp-sha1-80,
title = {Troubleshooting a Webex Calling Local Gateway: source note webex-local-gateway-troubleshooting-srtp-sha1-80},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-local-gateway-troubleshooting-srtp-sha1-80},
note = {Source note webex-local-gateway-troubleshooting-srtp-sha1-80, checked 2026-09-25}
}