The X15.2 MRA guide lists the IP Phone 7800 and 8800 Series (minimum 11.0(1)) as supported over MRA and excludes the 8821, 8821-EX and 8831.

Checked 2026-09-24

Vendor
Cisco
Product
Expressway
Subsystem
MRA endpoints
Deployment
on-premises
Region
not restricted
Release range
X15.2
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-mra-models. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-mra-models

BibTeX

@misc{warmtransfer-claim-cisco-phone-registration-troubleshooting-mra-models,
  title  = {Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-mra-models},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-mra-models},
  note   = {Source note cisco-phone-registration-troubleshooting-mra-models, checked 2026-09-24}
}

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