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
36
37
Option while on a call
When you are on a home or cell call
and speaking to the caller, and you do
not want to continue the call, you can
press CALL BLOCK/VOICE to end the
call. The telephone plays the block
announcement “The number you are
calling is not accepting your call. Please
hang up.” to the caller, and the call will
be terminated. The caller’s number, if
available, will be added to your block list.
• Press CALL BLOCK/VOICE on the
handset. The screen displays Block
and end? and the caller’s number,
if available. Press MENU/SELECT to
end the call.
NOTE
• You can press CALL BLOCK/VOICE to
end the call even if Smart call blocker
is turned off.
Join a call
Join a call in progress
Another handset can join you on home
call. The call continues until all parties
hang up. You can share an outside call
with up to two system devices.
• When a handset is already on a call,
• press HOME/FLASH or on
another handset to join the call.
• Press OFF/CANCEL or place the
handset in the telephone base or
handset charger to exit the call. The
call continues on the other handset
until both handsets hang up.
NOTE
• If you have paired a DECT 6.0 cordless
headset or speakerphone to the
telephone base, you can also join
a call in progress using the paired
device. Refer to the user’s manuals
of the respective product for more
information.
Intercom
Initiate an intercom call
1. Press MENU/SELECT on the handset
in idle mode.
2. Press q CID or p to highlight
Intercom, then press MENU/SELECT.
3. The screen displays Intercom to:.
Use the dialing keys to enter a device
number (1-5). The handset shows
Calling HS X. The destination handset
rings and shows HS X is calling.
Answer an intercom call
Press
HOME/FLASH or . Both
handsets now show Intercom.
End an intercom call
Press OFF/CANCEL or place the handset
back in the telephone base or charger.
NOTES
• For cordless headsets and
speakerphones, refer to the
corresponding user’s manual on how
to answer and end an intercom call.
• You can cancel the intercom call
before it is answered by pressing
OFF/CANCEL on the handset.
• If you are calling all handsets, only the
first handset to pick up can answer
the intercom call.
• If the destination device does not
answer the intercom call within 100
seconds, or if the device is in use, on
a call, or out of range, the initiating
device displays Unable to call and
returns to idle mode.
• To temporarily silence the intercom
ringer, press OFF/CANCEL or
MUTE/DELETE on the destination
handset/headset.
• You can only use one pair of devices
at a time to make intercom calls.
Transfer a call via intercom
1. When on an outside call, press
MENU/SELECT.
2. Press q CID or p to highlight
Intercom, then press MENU/SELECT.
The call is automatically put on hold.
3. Your handset shows Intercom to:. Use
the dialing keys to enter a handset
number (1-5). Your handset shows
Calling HS X. The destination handset
rings and shows HS X is calling.
4. To answer the intercom call on the
other device, press
HOME/FLASH,
CELL, or on the destination
handset. The outside call is still on hold.
Both handsets now show Intercom.
5. To transfer the call, press OFF/CANCEL
or place the handset back in the
telephone base or charger. The other
handset automatically connects to the
outside call.