Default dial peer 0 has no DTMF relay mechanism, so a call that lands on dial peer 0 cannot negotiate DTMF relay such as cisco-rtp.
Checked 2026-10-02
No dtmf-relay mechanisms
- Vendor
- Cisco
- Product
- Cisco Unified Border Element
- Subsystem
- default-dial-peer-0
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Understand IOS and IOS XE Call Routing — Cisco Systems · tier 2 current vendor documentation · section 'When No Matches Exist / Default Dial-Peer 0', capability list
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting CUBE calls that match the wrong dial-peer: source note cube-dial-peer-matching-troubleshooting-dp0-no-dtmf-relay. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-dial-peer-matching-troubleshooting-dp0-no-dtmf-relay
BibTeX
@misc{warmtransfer-claim-cube-dial-peer-matching-troubleshooting-dp0-no-dtmf-relay,
title = {Troubleshooting CUBE calls that match the wrong dial-peer: source note cube-dial-peer-matching-troubleshooting-dp0-no-dtmf-relay},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cube-dial-peer-matching-troubleshooting-dp0-no-dtmf-relay},
note = {Source note cube-dial-peer-matching-troubleshooting-dp0-no-dtmf-relay, checked 2026-10-02}
}