TCP and UDP Port Numbers
Connecting to Photon Cloud, might require, depending on the API, to pass in the proper port for the protocol and purpose of your application. In most cases you don't have to worry about port numbers. The table below is a reference of the default ports to be used with Photon Cloud.
Default Ports By Protocol And Purpose For Photon Voice
|5055 or 27001||UDP||Client to Master Server (UDP)|
|5056 or 27002||UDP||Client to Game Server (UDP)|
|5058 or 27000||UDP||Client to Nameserver (UDP)|