CUBE's default SRTP crypto-suite preference, highest first, is AEAD_AES_256_GCM, AEAD_AES_128_GCM, AES_CM_128_HMAC_SHA1_80, AES_CM_128_HMAC_SHA1_32.

Checked 2026-09-23

Vendor
Cisco
Product
Cisco Unified Border Element (CUBE) on IOS XE
Subsystem
SRTP-SRTP interworking
Deployment
on-premises
Region
not restricted
Release range
IOS XE 17.6 onwards guide
Checked
2026-09-23

Sources

Cite this note

APA

WarmTransfer. (2026, September 23). SRTP and media encryption negotiation: source note srtp-media-security-cube-default-cipher-order. WarmTransfer. https://warmtransfer.net/knowledge/claims/srtp-media-security-cube-default-cipher-order

BibTeX

@misc{warmtransfer-claim-srtp-media-security-cube-default-cipher-order,
  title  = {SRTP and media encryption negotiation: source note srtp-media-security-cube-default-cipher-order},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/srtp-media-security-cube-default-cipher-order},
  note   = {Source note srtp-media-security-cube-default-cipher-order, checked 2026-09-23}
}

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