Source note · Setting up CUBE for a carrier SIP trunk
With codecs configured on dial-peers CUBE filters codec negotiation to the configured codecs; with voice-class codec transparent only the offer passes unfiltered and filtering happens on the SDP in the answer.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Unified Border Element
- Subsystem
- codecs
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Cisco IOS XE 17.6 onwards
- Checked
- 2026-09-25
Sources
- Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - Introduction to Codecs — Cisco Systems · tier 2 current vendor documentation · Introduction to Codecs; codec negotiation and transparent codec
Cite this note
APA
WarmTransfer. (2026, September 25). Setting up CUBE for a carrier SIP trunk: source note cube-carrier-trunk-setup-codec-filtering. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-carrier-trunk-setup-codec-filtering
BibTeX
@misc{warmtransfer-claim-cube-carrier-trunk-setup-codec-filtering,
title = {Setting up CUBE for a carrier SIP trunk: source note cube-carrier-trunk-setup-codec-filtering},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cube-carrier-trunk-setup-codec-filtering},
note = {Source note cube-carrier-trunk-setup-codec-filtering, checked 2026-09-25}
}