Content
C520
Web User Interface
System → User Preferences → Call Waiting → Enable Call Waiting Tone
Phone User Interface
Features → Call → Call Waiting → Show Alert (Yes/No)
XML Configuration
<user_pref>
<call_waiting>
<tone_enable>VALIDVALUE</tone_enable>
</call_waiting>
</user_pref>
Description
Enable call waiting tone.
Valid Values
0 (disabled), 1 (enabled)
Default Value
1