On ISR 4000 Series digital voice modules the card type t1 or card type e1 command must set the module type before the T1 or E1 controller is configured.

Checked 2026-09-24

Vendor
Cisco
Product
ISR 4000 Series
Subsystem
T1/E1 controller
Deployment
on-premises
Region
not restricted
Release range
ISR 4000 Series
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). PRI and TDM gateway interworking: source note legacy-pri-tdm-isr4k-card-type. WarmTransfer. https://warmtransfer.net/knowledge/claims/legacy-pri-tdm-isr4k-card-type

BibTeX

@misc{warmtransfer-claim-legacy-pri-tdm-isr4k-card-type,
  title  = {PRI and TDM gateway interworking: source note legacy-pri-tdm-isr4k-card-type},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/legacy-pri-tdm-isr4k-card-type},
  note   = {Source note legacy-pri-tdm-isr4k-card-type, checked 2026-09-24}
}

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