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18.2.1 Do Not Disturb
When Do Not Disturb (DND) is activated on a port, all incoming calls on that port are
rejected.
18.2.1.1 Activating Do Not Disturb
Take the following steps to activate DND on one of the VOP's ports.
Using a telephone connected to the port:
1 Dial "*99#".
2 Enter the number of hours and minutes from the present time that DND should take
effect in the format hhmm (so you would enter 0145 for one hour and forty-five
minutes, for example). Allowed digits for hours are 0~9 and allowed digits for minutes
are 0~5.
3 Enter the number of hours and minutes that DND should remain in effect in the format
hhmm. Allowed digits for hours are 0~9 and allowed digits for minutes are 0~5.
If you hear two beeps, the procedure was successful.
18.2.1.2 Deactivating Do Not Disturb
To deactivate DND on one of the VOP's ports, dial "#99#" using a telephone connected to the
port. Alternatively, dial "*99#0000".
If you hear two beeps, the procedure was successful.
18.2.2 Call Waiting
Call waiting allows a user, engaged in a call, to hear an indication that a second call is
incoming. The user can then choose to reject the second call, accept the second call and hold
the first call, or accept the second call and terminate the first call.
18.2.2.1 Activating Call Waiting
To activate call waiting on one of the VOP's ports, dial "*43#" using a telephone connected to
the port.
If you hear two beeps, the procedure was successful.
18.2.2.2 Deactivating Call Waiting
To deactivate call waiting on one of the VOP's ports, dial "#43#" using a telephone connected
to the port.
If you hear two beeps, the procedure was successful.
18.2.2.3 Rejecting and Accepting Incoming Calls
To reject a second incoming call, press Flash then 0.
To accept a second incoming call and terminate the first call, press Flash then 1.
To accept a second incoming call and put the first call on hold, press Flash then 2.
MSC1000G/1024G/1224G Series User's Guide
Chapter 18 VoIP
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Troubleshooting
