Source note · Early media and ringback behavior
The disable-early-media 180 command was introduced in Cisco IOS 12.2(13)T. A system keyword and voice class tenant support were added in 15.6(2)T and IOS XE Denali 16.3.1, and YANG support in IOS XE Dublin 17.10.1a.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Cisco IOS
- Subsystem
- SIP provisional response handling
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 12.2(13)T through 17.10.1a
- Checked
- 2026-09-24
Sources
- Cisco IOS Voice Command Reference - D through I: disable-early-media through dualtone — Cisco Systems · tier 2 current vendor documentation · disable-early-media 180 command entry: Command History table
Cite this note
APA
WarmTransfer. (2026, September 24). Early media and ringback behavior: source note early-media-ringback-cube-cmd-history. WarmTransfer. https://warmtransfer.net/knowledge/claims/early-media-ringback-cube-cmd-history
BibTeX
@misc{warmtransfer-claim-early-media-ringback-cube-cmd-history,
title = {Early media and ringback behavior: source note early-media-ringback-cube-cmd-history},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/early-media-ringback-cube-cmd-history},
note = {Source note early-media-ringback-cube-cmd-history, checked 2026-09-24}
}