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How Digitone's Call Blocker Plus Operates
Once the DCB Plus is powered up, the LCD screen will display "No New Calls" until the first call is
received from the phone company. Thereafter, new calls will be displayed as they come in until the limit
of 64 is received. Each new call received thereafter will replace old calls from the Top of the list (FIFO).
Only one Digitone DCB Plus is needed for any single telephone line you want to monitor. It can be
connected to any analog telephone service; cable modem, gateway, VoIP adapter, wall plate or phone
jack in your home or office. When calls come in, all calls displaying a valid phone number will ring
through to the phones connected to the TEL phone port with Caller ID repeated. Blocked calls will not
ring the phones connected to the TEL port. Extension phones connected directly to the phone service
will ring once on blocked calls. Blocked callers will be immediately answered and after one ring, get
hung-up on. The blocked caller only hears one ring in their phone and then silence. By default, calls like
Anonymous, Out Of Area, Private and Unknown displaying no phone number are blocked. If you are
running a business and want to hear from Anonymous, Out Of Area, Private and Unknown callers, you
can enable Business Mode Code 31 to allow all callers to ring through except those displayed numbers
you want to block. VIP callers can ring through at any time regardless of After Hours Mode or Invited
caller settings. Invited callers can only ring through normally when After Hours Mode is not enabled.
Alternatively, you can use Select Mode Code 33 to select just the numbers you want to ring through to
your phones while all others are allowed to ring your answer machine or voice mail service.
Types of Incoming Calls
Invited Callers - 50 numbers or area codes The factory setting is: Global Invite of any call with a
valid number displayed. Invited callers cannot ring through during the After Hours Mode. If you want
specific callers to ring through at that time, they must be added to the VIP list. Invited Caller List Limits
include either unlimited numbers with Code 96 # * (factory setting) or added individually.
VIP Callers - 50 numbers or area codes These callers will be allowed to ring through at all times and
are stored in a separate VIP list from the Invited callers. VIP callers can ring through even when the
After Hours Mode is used. This caller list should be used for your immediate family or associates who will
need full access to you and your phone or for emergencies.
Blocked Callers - 140 numbers or area codes Callers on your Blocked list cannot ring your phone in
the TEL phone port and cannot leave a message. Blocked Numbers are numbers that you add and will
be answered immediately, followed by a hang-up after 8 seconds. The red LED will flash quickly when a
call is being blocked and a busy signal will be heard in the handset of the phone in the TEL phone port.
Blocked Name Callers - 20 Names Callers on your Blocked Name list cannot ring your phone in the
TEL phone port and cannot leave a message. Blocked Names are names that you add and will be
answered immediately, followed by a hang-up after 8 seconds. The red LED will flash quickly when a call
is being blocked and a busy signal will be heard in the handset of the phone in the TEL phone port.
Invited Callers within a Blocked Area Code - 10 numbers Up to 10 separate numbers within any
blocked area code can be allowed to ring through when that area code is already blocked. Example:
phone number 800-555-1212 is invited to ring through but the rest of the area code 800 is blocked.
OPX Type Calls - OPX calls display as: Anonymous, Out of Area, Private and Unknown or "X" calls that
do not have a minimum 7 digit number displayed, or have characters in the number like # or *. The
factory setting is to hang-up on these types of calls.
Call Waiting Caller ID – When on the phone, and you hear the Call Waiting signal, callers on your
Blocked list will not be blocked because you are on the phone line. Blocked callers only hear ringing and
you will see who is calling on your phone's display, but not on the DCB Plus display. You can however,
answer invited callers that ring-in through Call Waiting using your Flash key or Switch Hook.
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