Tally Link Server is a service under Tally Internet Services that allows you to synchronize data without worrying about the Fixed IP.
In a network environment, The Tally Server instance connects to the Tally Link Server, available on a public IP on a predefined port. The Tally Client instance connects to the Tally Link Server and communicates with the target Tally Server instance as long as the Tally server remains connected to the Tally Link Server
The destination Tally Server instance is identified using its unique TallyLinkId.
Thus, even if you have a dynamic IP on the Tally Server, you don’t need to change anything on the Client. Just log on to the Tally Link Server and stay connected.
The figure below depicts the complete picture:
