Cisco Expressway Administrator Guide (X15.3) - Unified Communications

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/admin_guide/X15-3/exwy_b_cisco-expressway-administrator-guide-x153/exwy_m_unified-communications.html

Published

2025-08-05

Updated

unknown

Accessed

2026-09-30

HTTP status

200

License

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

Source notes citing this source

• The Expressway-C must trust the Unified CM CallManager and tomcat certificates, and the host name used to define each Unified CM node must be a SAN in its tomcat certificate. in context
• A Unified Communications traversal zone is set up automatically with SIP TLS, TLS verify mode On and media encryption mode Force encrypted. in context

Cite this source record

APA

WarmTransfer. (2025, August 5). Cisco Expressway Administrator Guide (X15.3) - Unified Communications. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-exwy-x153-admin-unified-comms

BibTeX

@misc{warmtransfer-cisco-exwy-x153-admin-unified-comms,
  title  = {Cisco Expressway Administrator Guide (X15.3) - Unified Communications},
  author = {{WarmTransfer}},
  year   = {2025},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-exwy-x153-admin-unified-comms},
  note   = {Cisco Systems, accessed 2026-09-30}
}