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
16
17
Install | Set up
What is in the box
Your telephone package contains the
following items. Save your sales receipt
and original packaging in case it is
necessary to ship your telephone for
warranty service.
NOTE
• To purchase replacement batteries
or power adapters, visit our website
at www.vtechphones.com or call
1 (800) 595-9511. In Canada, go to
phones.vtechcanada.com or dial
1 (800) 267-7377.
1 set for IS8121-2, IS8121-3, IS8121-4,
IS8121-5
THIS SIDE UP / CE CÔTÉ VERS LE HAUT
Battery Pack / Bloc-piles :
BT162342/BT262342 (2.4V 300mAh Ni-MH)
WARNING / AVERTISSEMENT :
DO NOT BURN OR PUNCTURE BATTERIES.
NE PAS INCINÉRER OU PERCER LES PILES.
Made in China / Fabriqué en chine CR1939
2 sets for IS8121-2
3 sets for IS8121-3
4 sets for IS8121-4
5 sets for IS8121-5
1 sets for IS8121-2
2 sets for IS8121-3
3 sets for IS8121-4
4 sets for IS8121-5
Install the battery
NOTES
• Use only the battery provided.
• Charge the battery provided with this
product only in accordance with the
instructions and limitations specified
in this manual.
• If the handset will not be used for a
long time, disconnect and remove
the battery to prevent possible
leakage.
THIS SIDE UP / CE CÔTÉ VERS LE HAUT
Battery Pack / Bloc-piles :
BT183342/BT283342 (2.4V 400mAh Ni-MH)
WARNING / AVERTISSEMENT :
DO NOT BURN OR PUNCTURE BATTERIES.
NE PAS INCINÉRER OU PERCER LES PILES.
Made in China / Fabriqué en chine CR1535
THIS SIDE UP
P / CE CÔTÉ VERS LE HAUT
oc-piles :
3342 (2.4V 400mAh Ni-MH)
VERTISSEMENT :
R PUNCTURE BATTERIES.
U PERCER LES PILES.
chine CR1535
Connect the telephone base
NOTES
• Use only the adapters provided.
• Make sure the electrical outlets are
not controlled by wall switches.
• The adapters are intended to be
correctly oriented in a vertical or
floor mount position. The prongs
are not designed to hold the plug in
place if it is plugged into a ceiling,
under-the-table or cabinet outlet.
TIP
• If you subscribe to digital subscriber
line (DSL) high-speed Internet
service through your telephone line,
make sure you install a DSL filter (not
included) between the telephone
line cord and telephone wall jack.
Contact your DSL service provider
for more information.