System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Configure TFTP Servers

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_011111.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

• The device configuration file served by Unified CM TFTP carries a prioritized list of Unified CM nodes and the TCP ports used to connect to them, plus locale information and service URLs. in context
• SCCP phones, SIP phones and gateways request a configuration file from TFTP when they initialize, and an updated configuration file is sent when the device configuration changes. in context
• For IPv4 endpoints, Cisco recommends DHCP option 150 to give devices the Unified CM TFTP server address; DHCP option 066 or the CiscoCM1 name are documented alternatives. in context

Cite this source record

APA

WarmTransfer. (2026, September 22). System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Configure TFTP Servers. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-cucm-sysconfig-15-tftp-servers

BibTeX

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