The Unified CCE 15.0(1) features guide states that phones with IP Addressing Mode IPv6 Only cannot be used for Cisco Extension Mobility.

Checked 2026-09-24

You cannot use phones with an IP Addressing Mode of IPv6 Only for Cisco Extension Mobility.
Vendor
Cisco
Product
Cisco Unified Contact Center Enterprise
Subsystem
extension-mobility
Deployment
on-premises
Region
not restricted
Release range
Unified CCE 15.0(1)
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Unified CM Extension Mobility and cross-cluster Extension Mobility: source note cucm-extension-mobility-ucce-ipv6-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-extension-mobility-ucce-ipv6-only

BibTeX

@misc{warmtransfer-claim-cucm-extension-mobility-ucce-ipv6-only,
  title  = {Unified CM Extension Mobility and cross-cluster Extension Mobility: source note cucm-extension-mobility-ucce-ipv6-only},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-extension-mobility-ucce-ipv6-only},
  note   = {Source note cucm-extension-mobility-ucce-ipv6-only, checked 2026-09-24}
}

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