Polycom VVX 600 User Manual page 56

You can select unique ringtones for various contacts in your directory. This helps you quickly identify callers as
your phone rings.
To select a ringtone for a contact:
1 From your Contact Directory, select a contact.
2 From the Contact Information screen, select Edit or tap
3 From the Edit Contact screen, select Ring Type and select a ringtone.
4 Select Play or tap
5 From the Edit Contact screen, select Save.
You can increase the volume of your ringtone and the audio during a call.
To change the volume of the ringtone or audio during calls:
» Press one of the Volume keys
to hear the ringtone.
to increase or decrease the audio.
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