Network protocols and ports in use for Microsoft Cloud Services

Interactions between Imagicle UCX Attendant and Agent Console Clients and Microsoft Cloud

Following protocols allows to support media traffic and relevant signaling in a MS-Teams environment, supporting ACS SDK Services:

Traffic type	IP ranges or FQDN	Ports
Media traffic	20.202.0.0/16 → Public Cloud Azure IP addresses range on either Media processor or Azure Communication Services TURN service. 52.112.0.0/14 → MS-Teams Public Cloud range 52.120.0.0/14 → MS-Teams Public Cloud range	UDP 3478 through 3481, TCP ports 443
Signaling, telemetry, registration	.skype.com, .microsoft.com, .azure.net, .azure.com, *.office.com	TCP 443, 80

Last updated: March 20, 2025