System Configuration Guide for Cisco Unified Communications Manager, Release 12.5(1)SU1 - Configure TFTP Servers

Publisher

Cisco

URL

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/12_5_1SU1/systemConfig/cucm_b_system-configuration-guide-1251su1/cucm_b_system-configuration-guide-1251su1_restructured_chapter_0101101.html

Published

2025-07-31

Updated

unknown

Accessed

2026-09-24

HTTP status

200

License

Cisco website terms of use; no-redistribution; short excerpts and locators only

Source notes citing this source

• The configuration file a phone downloads from TFTP contains a prioritized list of Unified CM nodes and the TCP ports used to connect to them. in context
• Cisco recommends DHCP custom option 150 for IPv4 devices to learn the TFTP server address, lists DHCP option 066 and CiscoCM1 as alternatives it does not recommend, and uses Cisco vendor-specific DHCPv6 information for IPv6. in context

Cite this source record

APA

WarmTransfer. (2025, July 31). System Configuration Guide for Cisco Unified Communications Manager, Release 12.5(1)SU1 - Configure TFTP Servers. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-cucm-sysconfig-1251su1-tftp

BibTeX

@misc{warmtransfer-cisco-cucm-sysconfig-1251su1-tftp,
  title  = {System Configuration Guide for Cisco Unified Communications Manager, Release 12.5(1)SU1 - Configure TFTP Servers},
  author = {{WarmTransfer}},
  year   = {2025},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-cucm-sysconfig-1251su1-tftp},
  note   = {Cisco, accessed 2026-09-24}
}