User Guide
Table Of Contents
- IS8121-X_QSG_V2_20210204
- IS8121-X_IS8122-X_SCB_V1.1_20210616_BW
- IS8121-X_WEBCIB_v1_210525-compressed
- Install | Set up 
- Operate
- Make, answer or end a home call
- Make, answer or end a cell call
- Call waiting on the home line
- Call waiting on the cell line
- Predial via home call and cell call
- Answer an incoming cell call while on a home call
- Answer an incoming home call while on a cell call
- View dialing options
- Option while on a call
- Join a call
- Intercom
- Sound
- Temporary tone dialing
- Find handset
- Use the phone menu
- Phonebook | Phonebook entry
- Redial list
- Chain dialing
- Caller ID
- About caller ID
- Save a caller ID log entry to the phonebook
- Save a caller ID log entry to block list
- Save a caller ID log entry to allow list
- Save a caller ID log entry to Star name list
- Review the caller ID log
- Dial a caller ID log entry
- Delete caller ID log entries
- Caller ID memory match
- Missed call indicator
- Introducing Bluetooth©
- Bluetooth setup
- Remote voice control
- About Smart call blocker*
- Set profile
- Block list
- Allow list
- Star name list
- Screening announcements
- Voice guide to set Smart call blocker
- Call handlings with Smart call blocker
- Answering system
- Difference between the built-in answering system and voicemail service
- Use your built-in answering system
- New message indication
- Turn on or off the answering system
- Playback messages
- Delete all messages
- Answering system remote access
- Call intercept while using answering system
- Recording memo
- Turn on or off the call screening
- Screen a call with answering system
- Annoucement
- Retrieve voicemail
- Configure | Settings
- General product care
- Technical specifications
- Frequently asked questions
56
57
Disconnected - when device(s) is/are
disconnected,
1
and/or
2
is/are
not displayed on the handset screen.
The CELL 1 and/or CELL 2 light on the
telephone base is/are off.
Discoverable mode - before a Bluetooth
enabled device can be paired, it must
be set to this mode. When pairing your
cell phone, the telephone base will be
set to this mode. Depending on the
manufacturer, this mode is sometimes
referred to as Find Me or Visibility.
HOME line - your conventional telephone
land line. On your IS8121-2/IS8121-3/
IS8121-4/IS8121-5 telephone system,
press
HOME/FLASH on the handset
to use the home line.
Paired devices - The Bluetooth enabled
devices (cell phones or headsets) that
have shared registration information
with the telephone base. A total of two
Bluetooth enabled devices can be paired
to the telephone base. However, only
one paired device can communicate
with the base at a time.
Pairing - sometimes referred to as
bonding. The process of sharing
registration information between
two Bluetooth enabled devices. Your
Bluetooth enabled cell phone or headset
must first be paired to the telephone
base in order to use it with this telephone
system.
VTech Connect to Cell™ application
If you are using Bluetooth-enabled
Android® phones (OS 2.3 or higher), you
can further extend the flexibility of your
telephone system with use of the free
Connect To Cell application.
VTech Connect to Cell comprises Caller
ID manager and Alerts manager that
help you integrate your cell phone with
your new telephone system.
To learn more or download this
application via Google Play® Store, go to
https://www.vtechphones.com/app_
connect_to_cell.
Bluetooth setup
To use a Bluetooth enabled cell phone
with your IS8121-2/IS8121-3/IS8121-
4/IS8121-5, you must first pair and
connect it with the telephone base. The
IS8121-2/IS8121-3/IS8121-4/IS8121-5
telephone base and all system handsets
can be used to make or answer calls on
the cell phone line.
Bluetooth wireless technology operates
within a short range (up to 15 feet).
When you pair a Bluetooth cell phone
or Bluetooth headset to the telephone
base, keep the device within 15 feet
of the telephone base for optimal
performance.
Add a Bluetooth cell phone
Before you begin, make sure that
you have cellular coverage and your
Bluetooth enabled cell phone is not
connected to any other Bluetooth
device. Refer to your cell phone user’s
manual to learn how to search for or
add new Bluetooth devices.
Pair and connect a cell phone
1. Choose a slot to pair the cell phone.
Press and hold CELL 1 or CELL 2 on
the telephone base for about four
seconds until the CELL 1 or CELL 2
light flashes.
• If there is already a cell phone in
the slot, the existing cell phone
will be erased from cell devices
list.
2. Turn on the Bluetooth feature of your
cell phone and search for or add new
devices.
Once your cell phone finds your
VTech phone ( VTech DECT 6.0 ),
press the appropriate key on your
cell phone to continue the pairing
process.
• All cell phones that are connected
to the telephone base are
disconnected temporarily until
the pairing process is complete.
When a device is successfully paired
and connected, the corresponding
status icon (
1
and/or
2
) displays.
The corresponding device light on the
telephone base (CELL 1 or CELL 2) turns
on.