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Mobile App§

For description and details, click the port number. Click  here to download CSV data.

Port Number Protocol Direction Initiator/Destination Quantity
8443 TCP Inbound ANY 1
18500 UDP Inbound and Outbound ANY 1

Please find the port description below.

Ports Definition§

8443§

TCP Port responsible for connection requests, signaling traffic, and data communication purposes.

18500§

UDP port responsible for the voice traffic exchange between server and client applications.

Beware that SmartPTT Server serves all voice sessions on this, one and only, port.