Matrix Sparsh VP110 User Manual page 155

To use auto redial:
When the called party is busy, the following prompt will appear on the LCD screen of the phone:
• Press the OK soft key to activate auto redial.
The following prompt will appear on the LCD screen of the phone:
• Wait for a period of time or press the OK soft key to redial the phone number.
The phone will retry as many times as configured until the called party is idle.
Matrix SPARSH VP110 User Guide 147