The system provides status information during the TTI merge, and the separate operations on a telephone that is connected to a data module. If the TTI State field on the Feature-Related System Parameters screen is set to data, the system displays the status information. If the TTI State field on the Feature-Related System Parameters field is set to voice, the system generates tones to indicate status.

For a standalone data module, you enter the TTI merge and separate digit sequence on one line at a DIAL prompt: