Panasonic KX-TG9472B Operating Instructions Manual page 40

Answering System
required to activate the voice mail service
provided by your service provider/telephone
company before changing this setting.
– Change the number of rings of the voice mail
service so that the answering system can
answer the call first. To do so, contact your
service provider/telephone company.
Caller's recording time
You can change the maximum message recording
time allowed for each caller. The default setting is
"3 min".
Program this setting using either the base unit or
one of the handsets.
Base unit / Handset
1
MMENUN#305
2
MbN: Select the desired setting. a MSAVEN
3
Proceed with the operation for your unit.
Base unit: MnN (EXIT)
Handset: MOFFN
40 For assistance, please visit http://www.panasonic.com/help