Sonictel Firewall IP & Ports to Open 2025

Modified on Mon, Mar 31, 2025 at 11:26 AM




ConnectUC (IP & Ports)


70.42.44.0/24
75.98.50.0/24 


TCP - 443, 9002 (Encrypted Web Socket Traffic)

UDP - 443, 30000-40000 (Audio communications over DTLS, which is TLS for UDP)



ReachUC (IP & Ports)


70.42.44.0/24
75.98.50.0/24 


TCP Port 6050

TCP UDP 5060

UDP 17000 to 37999



FAQ


How does ConnectUC Encrypt / Secure traffic?


All traffic between ConnectUC and the back-end services is encrypted. All signaling is sent and received over encrypted WebSockets (SSL/TLS). 


Voice traffic is encrypted with DTLS (TLS for UDP).


What firewall ports need to be open outbound for ConnectUC?


ConnectUC uses encrypted WebSocket connections on ports 443 tcp/udp and 9002 tcp. Additionally audio communications is over DTLS (TLS for UDP) on ports 30000 - 40000 udp.


Chat additionally opens a port 443 to Amazon Chime messaging services. WebSocket URLs connect to servers in the DNS domain ws-messaging.chime.aws


Calling doesn't seem to work; what could be wrong?


ConnectUC utilizes a websocket on port 9002 to initiate communications. The user may have some filtering application on their computer or a firewall that might be blocking port 9002 tcp outbound.


If port 9002 is blocked the user will see a yellow warning banner.





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