Call Blocker
User Manual
Model
：
CT-CID803 Plus
PLEASE READ THESE INSTRUCTIONS CAREFULLY
BEFORE USE AND KEEP THEM FOR LATER REFERENCE.
IMPORTANT
（
IMPORTANCE?
）
: KEEP FOR FUTURE
REFERENCE.
This product requires Caller ID service from your
network provider.
CATALOGUE
Setting
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1
1. Series Set Up
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1
2. Parallel Set UP
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2
Function
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3
Display
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4
Operation
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5
1. Recorded Calls
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5
2. To Block Numbers Without Caller ID
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6
3. To Create Blacklist (list of blocked callers)
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6
4. To View and Delete Block Call Numbers
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7
5. To Create and View Area Code of Blacklist
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8
6. Adjust Display Brightness
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8
7. Change the Ring Setting
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9
Specification
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9
Programming Code
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10
How to enter codes
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10
FAQ (Frequently Asked Question)
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10
Welcome to Contact Us
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13
1
Setting
1. Series Set Up
1.1 Insert the provided bracket
into the back slots.
1.2 Unplug the lead from
your telephone.(Don't touch
the other end on the wall.)
1.3 Insert the lead into the
TO LINE port of the call blocker.
1.4 Use the supplied cable in the box,
plug into the TO PHONE port,
the other end to your telephone.
2
2. Parallel Set Up
If caller ID or intermittent ringing issues arise, try the parallel.
1. Unplug the original phone line from the wall socket. Connect
the splitter to the wall socket.
2. Use the original phone line to connect the telephone.
3. Connect the provided short cable to call blocker.
3
Function
Large Number Capacity
Creates a blacklist of unwanted callers-
Create or Remove Blocked Number
Create or remove numbers to/from the Blacklist Manually.
Block Area Code
Blocks the Area Code or the first few digits of a number. (Hint:
Limited to 10 Groups)
Block NO Caller ID calls
This will block all calls without caller ID.
This product requires Caller ID service from your network
provider.
4
Display
Number of Blocked Calls
Display the amount of numbers that have been added to the block
list.
Navigation Buttons
Block list: The list of blocked callers.
Call list: A list of the last 100 recorded numbers.
BLOCK NO CID Calls
Block all calls without caller ID.
CALL LOG 000
Sequential number assigned to the recorded telephone number.
5
Operation
1. Recorded Calls
When receiving new calls, the telephone will detect the
number automatically and display the number and also
count the numbers. (numbers are stored in numerical
order)
1.1.1 To view all recorded numbers
Press “left or right” arrow to view calls listed on the blocker.
The LCD Screen will display the "CALL LOG"+ count, for
example "CALL LOG 003", Call LOG 003 is the sequential
number assigned to the recorded telephone number.
1.1.2 To Delete recorded numbers
Press “left or right” arrow to view calls listed on the blocker.
To remove a number from the list, select the number and
press DELETE twice quickly. The “DONE” should show
indicating the removal of the number from the call list.
1.1.3 To Delete all recorded numbers
While viewing call list, press the “DELETE” button for 3
seconds until word "DONE" appears on the LCD screen.
Hint: Even though the number was removed from the call list, as
long as this number has been blocked, it will still in the block list.
6
2. To Block Numbers Without Caller ID
First press the “BACK/ NO CID” button, then press the left
or right arrow to toggle the NO CID on or off. Press “BACK/
NO CID” key again to exit and save.
Hint: All unavailable, private, anonymous, name not provided,
unknown numbers and calls with no Caller ID will be rejected when
NO CID ON is turned on. ( Warning: you may stopped ALL calls
from coming in after turn on BLOCK NO CID.)
Display of the LCD Screen
Number of blocked calls and
the BLOCK NO CID is turned
off.
Number of blocked calls and
the BLOCK NO CID is turned
on.
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3. To Create Blacklist (list of blocked callers)
3.1.1 From numbers already recorded by the blocker.
Press “left or right” arrow to view recorded numbers one at
a time. Press BLOCK to save displayed phone number to
blacklist. SAVE-SUCCEED will show in the display.
3.1.2 To add an incoming call to the blacklist, press the
red BLOCK button on the blocker and hang-up.
3.1.3 If answering an call on a remote hand-set, press “*”
and hang up. “SAVE-SUCCEED” will show on the display.
3.1.4 To add a telephone number to the blacklist
manually, using the hand-set, press asterisk key twice,
enter number, press # key to exit. (** + phone number + # ).
“SAVE-SUCCEED” will show in the display.
Hint: The blocker cannot duplicate numbers to the blacklist, the
screen will show “Rep” when a number has been repeated.
4. To View and Delete Block Call Numbers
On the blocker, press “BLOCK” button first, then press “left
or right” arrow to view blocked numbers. To remove a
blocked number from the blacklist, select the number and
press DELETE twice. The “DONE” should show in the
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display indicating the removal of the number from the
blocked calls.
5. To Create and View Area Code of Blacklist
5.1.1 Using the phone handset, press speakerphone,
press “*” key, then press 8, press “*” again, enter a area
code, and press “#” key to save and exit.(*8*+ Area Code +
# ), you will hear a "beep", which means the setting is
saved successfully.
5.1.2 To create more area codes, input " *8*+ Area Code
+ # "repeatedly. Press the "Delete" button to modify the
error.
5.1.3 Viewing the blocked area codes, press the
“BLOCK” button on the call blocker, there will be 2 minus
sign " - - " after the area code, for example " 524- -". Press
“left or right” arrow to view the code.
Hint: You can blocked max. 10 groups of Area Code. You will hear 3
"BEEP" if you have entered 10 groups of codes and the word
"FULL" will be shown on the LCD screen.
WARNING - If you block a area code, ALL CALLS from that area
code will be blocked. If you have families or friends from that area,
please do not use this features.
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6. Adjust Display Brightness
The default lightness is Lcd 3.
There are five levels of brightness. Press "BRIGHT” button,
The display shows “lcd + brightness level”. Press “left or
right” arrow to choose the brightness between 1 and 5, with
5 being the brightest. Press the “BACK/NO CID” button to
exit.
Hint: The setting will exit automatically if no operation in 5
seconds.
7. Change the Ring Setting
7.1.1 The default setting is “0 ring”.
7.1.2 If you don't want the blocked call rings, you may have to
process 1-ring operation. Press and hold "BACK" key for 3
seconds until " 0 RING" shows on display. Then use Left or
Right arrow to choose " 1 RING ", Press “BACK” when done.
Specification
Model Number: CT-CID803
Mfr. Part Number: 803-plus
Dimensions: 10 x 9 x 4CM
10
Weight: 85G
FAQ (Frequently Asked Question)
1. Q: how to unblock some accidentally blocked numbers?
A: Please hit "BLOCK" button first, then hit “left or right” arrow
to view the blacklist. Numbers are stored in numerical order. To
delete a displayed number, hit "DELETE" two times.
2. Q: how to use the handset to add an unwanted number
to blocker?
A: a: If answering an incoming call on a remote hand-set, press
“asterisk” (*) key once and hang up. “SAVE-SUCCEED” will
show on the display.
b: To add a telephone number to the blacklist manually, using
the hand-set, press asterisk key twice, enter number, press #
key to exit. (** + phone number + # ). “SAVE-SUCCEED” will
show in the display.
3. Q: Why does my blocker block cell phone calls without
my telling it to?
A: Please turn off BLOCK NO CID on call blocker. First press
the BACK/NO CID button, then press the DOWN button to
toggle the NO CID on to off. Press BACK when done.
B: Please delete any area codes from blacklist. Press BLOCK
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button first, then use left or right arrow to review blocked
numbers. Area codes display with area codes plus two minus,
such as " 524- -". Press DELETE twice to delete it.
4. Q. We got a busy signal when calling the a number, no
ringing tone? (Putting numbers to blacklist by themselves
who had not been blocked. )
A: Firstly, turn off BLOCK NO CID function. Secondly, switch to
“1 ring” status as follows: Press BACK/NO CID for 3 seconds
until “0 RING” shows on the screen. Then press up or down
arrow to choose “1 RING”, and press BACK/NO CID to save.
After that, the phone should have a dial tone. If not, try to
connect the blocker to your extension in parallel.
5. Q: Can I go back to factory setting?
A: Pick up handset, press asterisk (*) key on your telephone,
then enter "61806180", press "#" key to exit.
6. Q: My answering machine not work since I installed the
blocker.
A: Firstly, please make sure the answering machine has been
turned on. Secondly, connect the call blocker and answering
machine with the Parallel Set Up.
7. Q: The blocker disconnected me in the middle of a
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calls.
A: Try to connect the blocker to extension with parallel set up.
9: Q: Can not receive voice message since I installed
blocker.
A: If your landline is bundled with your TV/Internet service
provider, please call your landline company to set up a
voicemail box via your internet service account.
10
：
Q: Try to add a number to blacklist manually, double
press star key but got busy signal, any suggestions?
A: Please ignore the busy signal, just follow the instructions.
Double click on the star button, enter the phone number,
followed by the pound button to save.
Welcome to Contact Us
If there is any questions about the service or the product,
please kindly contact us any time, we will response the
email within 24 hours.
Email: s2@cheeta.com.cn
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