Source note · Setting up bring-your-own PSTN for Webex Contact Center
The Local Gateway's Webex-facing SRTP crypto class must offer AES_CM_128_HMAC_SHA1_80, the only suite Webex Calling supports.
Checked 2026-09-30
Webex Calling only supports SHA1_80.
- Vendor
- Cisco
- Product
- Cisco Unified Border Element
- Subsystem
- SRTP
- Deployment
- on-premises
- Region
- not restricted
- Release range
- IOS XE 17.6.1a and later
- Checked
- 2026-09-30
Sources
- Configure Local Gateway on Cisco IOS XE for Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · voice class srtp-crypto 100
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up bring-your-own PSTN for Webex Contact Center: source note wxcc-byo-pstn-setup-lgw-srtp-sha1-80. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-byo-pstn-setup-lgw-srtp-sha1-80
BibTeX
@misc{warmtransfer-claim-wxcc-byo-pstn-setup-lgw-srtp-sha1-80,
title = {Setting up bring-your-own PSTN for Webex Contact Center: source note wxcc-byo-pstn-setup-lgw-srtp-sha1-80},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxcc-byo-pstn-setup-lgw-srtp-sha1-80},
note = {Source note wxcc-byo-pstn-setup-lgw-srtp-sha1-80, checked 2026-09-30}
}