For iOS, Calling in Webex App (Unified CM) needs at least Unified CM 11.5(1) SU8 or 12.5(1) SU3. MRA failover needs Unified CM 14.0 or later.

Checked 2026-09-24

Vendor
Cisco
Product
Webex App with Unified CM calling
Subsystem
prerequisites
Deployment
on-premises, dedicated-instance
Region
not restricted
Release range
Unified CM 11.5(1) SU8 / 12.5(1) SU3 and later
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Jabber to Webex App migration: source note jabber-to-webex-app-migration-ios-min-ucm. WarmTransfer. https://warmtransfer.net/knowledge/claims/jabber-to-webex-app-migration-ios-min-ucm

BibTeX

@misc{warmtransfer-claim-jabber-to-webex-app-migration-ios-min-ucm,
  title  = {Jabber to Webex App migration: source note jabber-to-webex-app-migration-ios-min-ucm},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/jabber-to-webex-app-migration-ios-min-ucm},
  note   = {Source note jabber-to-webex-app-migration-ios-min-ucm, checked 2026-09-24}
}

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