From a touch tone phone call the phone line, let the answering machine answer the line. The # key or the 8 key will activate the module.
1) module white jumper cut = # key
2) module black jumper cut = 8 key
**Note: The RAM session is not affected when the D221 restores the phone line to the answering machine. Some answering machines record tones generated during the RAM session. If the D221 Module is used with an integrated telephone/ answering machine device, pressing the activation key ([#] or ) during normal use may activate the D221 and disconnect the device for 3 to 5 minutes.