I cannot change the settings of my voice mail

Operator voice mail is managed by your operator and not the phone itself. Please contact your operator should you want to change the settings.

Product behaviour

Keypad does not work!

Unlock your keypad: Long press *in idle mode.

The handset warms up when making a long call!

This is a normal behavior. The handset consumes energy while calling.

The handset cannot be registered to the base station!

Maximum number of handsets (4) has been reached. To register a new handset, unregister an existing handset.

Remove and replace the handset batteries.

Try again by disconnecting and connecting the base station power supply and follow the procedure to register a handset (see “Registration” on chapter 9.2).

Caller number is not displayed!

Service is not activated: Check your subscription with your network operator.

My handset keeps going into idle mode!

If there are no key presses for 15 seconds, the handset will automatically return to idle mode. It will also return to

idle mode automatically when you place the handset back on the base station.

Phonebook entry cannot be stored and MEMORY FULL is displayed!

Delete an entry to free memory before saving your contact again.

The Master PIN code is wrong!

The default master PIN is 0000.

Reset the handset to revert to the default master PIN code if it has been changed before (see “Reset unit” on chapter 9.4).

The answering machine does not record messages!

Memory is full: Delete your old messages.

The ANSWER ONLY mode has been activated. Deactivate ANSWER ONLY and activate ANSWER & REC mode (see “Set the answer mode” on chapter 10.5).

Remote control access does not work!

Activate Remote Control Access (see “Remote control access” on chapter 10.6.2).

The phone hangs up during remote access!

You have taken more than 4 seconds to enter the Master PIN code. Enter the code again within 4 seconds.

Answering machine stops before the recording is finished!

• Memory is full: Delete your old messages.

Frequently asked questions

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Philips CD1551B manual Cannot change the settings of my voice mail, Product behaviour Keypad does not work