User Guide

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4.8.5. Do Not Disturb
DND function is to prevent foreign phone from disturbing, if DND is open,
external phone call is unable to call in, and turned off by default.
Configuration on the phone:
1. Phone Settings-> Call Settings-> Do not Disturb
2. Select the desired account on the Account bar.
3. Check to enable Do not Disturb feature.
4.8.6. Call Waiting
If call waiting feature is enabled, after establishment of a conversation,
there is a third party call in, then video phone will have a new call tips,
the incoming call will be displayed on the conversation interface, users
can choose to answer or reject the call. If the call waiting feature is
disabled, the third party will prompt a busy tone. Call waiting feature is
enabled by default.