For digital PRI and BRI call flows on the same gateways, the tech note lists 'debug isdn q931' and 'debug isdn q921'.

Checked 2026-09-25

Vendor
Cisco
Product
IOS XE TDM gateway
Subsystem
debugging
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). CUBE troubleshooting commands: source note cube-troubleshooting-toolkit-tdm-isdn-debugs. WarmTransfer. https://warmtransfer.net/knowledge/claims/cube-troubleshooting-toolkit-tdm-isdn-debugs

BibTeX

@misc{warmtransfer-claim-cube-troubleshooting-toolkit-tdm-isdn-debugs,
  title  = {CUBE troubleshooting commands: source note cube-troubleshooting-toolkit-tdm-isdn-debugs},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cube-troubleshooting-toolkit-tdm-isdn-debugs},
  note   = {Source note cube-troubleshooting-toolkit-tdm-isdn-debugs, checked 2026-09-25}
}

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