Source note · SIP 488 and codec negotiation failures
From IOS XE Everest 16.5.1b CUBE enables AEAD_AES_256_GCM, AEAD_AES_128_GCM, AES_CM_128_HMAC_SHA1_80 and AES_CM_128_HMAC_SHA1_32 by default.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- CUBE
- Subsystem
- SRTP crypto
- Deployment
- on-premises
- Region
- not restricted
- Release range
- IOS XE 16.5.1b and later
- Checked
- 2026-09-25
Sources
- Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - SRTP-RTP Internetworking — Cisco Systems · tier 2 current vendor documentation · SRTP-RTP Internetworking - supported crypto suites
Cite this note
APA
WarmTransfer. (2026, September 25). SIP 488 and codec negotiation failures: source note sip-488-codec-failures-cube-default-crypto. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-488-codec-failures-cube-default-crypto
BibTeX
@misc{warmtransfer-claim-sip-488-codec-failures-cube-default-crypto,
title = {SIP 488 and codec negotiation failures: source note sip-488-codec-failures-cube-default-crypto},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-488-codec-failures-cube-default-crypto},
note = {Source note sip-488-codec-failures-cube-default-crypto, checked 2026-09-25}
}