Select 1 .
Expanded dual-stack (IPv4/IPv6) support for endpoints and SIP trunks. 🖥️ Virtualization Requirements Cisco CUCM -Callmanager- 9.1.1.10000-11.sgn-Bootable - ISO
Because the -11 build is relatively late in the 9.1.1 lifecycle, some organizations skipped directly to version 10.5 using a “refresh upgrade” rather than an in-place install, citing fewer post-migration defects. Select 1
As of 2025, running CUCM 9.1.1.10000-11 in a production environment is an extreme security risk. Here is why: Cisco CUCM -Callmanager- 9.1.1.10000-11.sgn-Bootable - ISO
Never attempt an upgrade without: