Source note · Unity Connection networking
The two intersite gateways exchange directory updates over HTTP on port 80 or HTTPS on port 443, and exchange messages over SMTP on port 25, either directly or through a smart host.
Checked 2026-09-25
Both gateways must be able to route to each other via HTTP on port 80 or HTTPS on port 443
- Vendor
- Cisco
- Product
- Unity Connection
- Subsystem
- intersite networking
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15
- Checked
- 2026-09-25
Sources
- Networking Guide for Cisco Unity Connection Release 15 - Setting Up Networking Between Cisco Unity Connection Servers — Cisco Systems · tier 2 current vendor documentation · Setting Up Networking Between Cisco Unity Connection Servers > prerequisites for linking sites
Cite this note
APA
WarmTransfer. (2026, September 25). Unity Connection networking: source note unity-connection-networking-intersite-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-networking-intersite-ports
BibTeX
@misc{warmtransfer-claim-unity-connection-networking-intersite-ports,
title = {Unity Connection networking: source note unity-connection-networking-intersite-ports},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-networking-intersite-ports},
note = {Source note unity-connection-networking-intersite-ports, checked 2026-09-25}
}