Telnet is a simple method of checking whether a specific TCP port is available from a client machine. From a machine that is having trouble contacting a Mediation Server, follow these steps to verify connectivity to the Mediation Server service:
The Telnet client is not installed by default in modern Windows operating systems. On a desktop operating system it must be installed by using the Turn Windows Features On or Off option found in Programs and Features. On a server operating system it can be installed through the Features section of Server Manager.
1. Open a command prompt.
2. Type the following command:
telnet <Mediation Server pool FQDN> 5061
If the window goes blank and only a flashing cursor is seen, it means the connection ...