Panasonic KX-TGM420 Operating Instructions Manual page 158

Important:
• You need to store the voicemail access number in
order to light the handset and base unit's message
indicator when a new voicemail is received (page
61).
Storing the voicemail (VM) access number
In order to listen to your voicemail messages, you
must dial your phone service provider's voicemail
access number. Once you have stored your voicemail
access number, you can dial it automatically (page
160).
1 [MENU] [#] [3] [3] [1]
2
Enter your access number (24 digits max.). 
[SAVE] [OFF]
Note:
• When storing your voicemail access number and
your mailbox password, press [] (Pause) to add
pauses (page 69) between the access number and
the password as necessary. Contact your phone
service provider for the required pause time.
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