Subscriptions pass through phases before they are fully set up in your replication system.
Adaptive Server RepAgent thread scans the log for updates.
The primary Replication Server uses its sort order to determine what rows qualify for the subscription. The primary Replication Server also adds the name of the primary Replication Server character set to the RSI message.
The replicate Replication Server converts the data to its character set, if necessary, and applies updates to the replicate data server.