System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Smart Software Licensing

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/15/systemConfig/cucm_b_system-configuration-guide-15/cucm_b_system-configuration-guide-14_chapter_01.html

Published

2026-09-22

Updated

unknown

Accessed

2026-09-24

HTTP status

200

License

Cisco copyright; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• From Release 14SU4 and 15SU2 onward, Call Home is deprecated as the Smart Licensing transport and Smart Transport is introduced. in context
• After installation Unified CM runs under a 90-day evaluation period. When it ends, Unified CM stops allowing new users or devices to be added until it is registered with Cisco Smart Software Manager or a satellite. in context
• A secure SIP trunk cannot be deployed while Unified CM is running in the 90-day evaluation period. in context
• After an upgrade, Unified CM moves to Smart Transport automatically if it can reach smartreceiver.cisco.com, and falls back to Call Home if that connection fails. in context
• An SME registered with Specific License Reservation needs a minimum set of licenses reserved in CSSM when the SLR authorization code is generated. in context
• In Unified CM 15, Session Management Edition can register to Cisco Smart Software Manager or to a Smart Software Manager satellite, using the same process as Unified CM. in context
• SME can register to the same Smart Account virtual account as Unified CM or to a separate virtual account. in context
• From Release 15SU2, Call Home is deprecated as a Smart Licensing transport. Smart Transport, introduced in 14SU4 and 15SU2, is the preferred mode. in context
• On a system with Permanent License Reservation, return the license with license smart reservation return before upgrading to Release 15. in context
• A Smart License authorization is valid for 90 days and renews at least once every 30 days. If it expires, new devices and users cannot be provisioned. in context
• After installation, Unified CM runs under a 90-day evaluation period. When it ends, the system stops allowing new users or devices until it is registered with CSSM or a CSSM satellite. in context

Cite this source record

APA

WarmTransfer. (2026, September 22). System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Smart Software Licensing. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-cucm-sysconfig-15-smart-licensing

BibTeX

@misc{warmtransfer-cisco-cucm-sysconfig-15-smart-licensing,
  title  = {System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Smart Software Licensing},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-cucm-sysconfig-15-smart-licensing},
  note   = {Cisco Systems, accessed 2026-09-24}
}