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— answers from the official manualAnswers from the official manual.
Common questions
Common Questions
44 totalHow many outgoing messages can I record on the BT4600?
You can record 2 outgoing messages on the BT4600.
Does the BT4600 have a slow playback feature for messages?
Yes, the BT4600 includes slow playback of messages, which allows you to listen to recorded messages at a slower speed.
How many names and numbers can the BT4600 directory store?
The BT4600 has a 200 Name & Number directory capacity.
Does the BT4600 support outgoing call control?
Yes, the BT4600 includes outgoing call control with PIN protection for calls to premium and mobile numbers.
What is the battery talk time and standby time for the BT4600 handset?
The BT4600 handset provides up to 16 hours of talk time. The standby time is up to 180 hours. (Page 3)
Do I need a special service from my phone provider to use the call blocking features?
Yes, you must subscribe to a Caller Display service from your network provider to use the nuisance call blocking and visual voicemail features. Charges may apply for this service. (Page 2)
Show 38 more questions
What should I do if I'm unsure whether to block a caller?
How many nuisance calls can the BT4600 block?
How does the Advanced Call Blocking system work for unknown callers?
How long is the answer machine recording time on the BT4600?
What ringtone options are available on the BT4600?
What are the physical dimensions and weight of the BT4600 base and handset?
How does the Advanced Call Blocking feature work?
Do I need a subscription to use the call blocking features?
How long can I record messages on the BT4600?
What is the talk time and standby time for the BT4600?
How do I contact technical support for the BT4600?
Do I need a Caller Display service to use the call blocking features?
What happens when a call comes in from someone on my contact list?
Can I send an unknown caller to the answerphone instead of blocking them immediately?
How long is the talk time and standby time on the BT4600?
How much recording time does the BT4600 answer machine support?
How many contacts can be stored in the BT4600 directory?
What are the dimensions and weight of the BT4600 handset and base?
How long can the answering machine record messages on the BT4600?
Does the BT4600 support hands-free operation?
How does the Advanced Call Blocking feature work on the BT4600?
What should I do if I'm unsure whether to block a call?
How many contact entries can the BT4600 directory store?
How long is the standby battery life on the BT4600?
Is a Caller Display subscription required for the BT4600 to work?
How many outgoing messages can the BT4600 record?
Where can I get technical support for the BT4600?
How do I block a specific phone number?
What happens if an unrecognized caller tries to contact me?
How can I connect my phone to the speakerphone?
How long is the answer machine recording time?
Can I see names of unrecognized callers?
How do I block a number after it has called?
How do I set up Caller Display service?
Can I add contacts manually?
Can I protect calls to premium or mobile numbers on the BT4600?
How do I contact BT technical support if I have a problem with my BT4600?
What are the dimensions of the BT4600 base?
Full Manual
4 pages
BT4600 Big Button Advanced Call Blocker Block up to 100% of Nuisance Calls

The BT4600 Big Button Advanced Call Blocker, powered by trueCall’s award winning technology, offers users complete control over which calls they want to take and those they wish to block.
Advanced Call Blocking The BT4600 includes BT’s Advanced Call Blocking, which means you’ll never have to speak to another cold caller again:

Blocking calls can be done in a number of ways: Block by Number
The BT4600 can block up to 1000 individual numbers, meaning that you really can avoid speaking to the people you don’t want to. Over time, the phone learns which calls you do and don’t want to take.
Send Calls to the Answer Phone
If you are unsure if you want to block the call, you can send them to the Answerphone and then Block from your calls list later.
Main Features
(N.B you must subscribe to a Caller Display service from your network provider for nuisance calls blocking and visual voicemail features. Charges may apply
Product Specification
|BT Advanced Call Blocking Hot Key|Yes|Hands free|Yes|PBX access code|No| |---|---|---|---|---|---| |Number block|Up to 1000|Headset socket|Yes| | | |Display type|Mono| | |Wall Mount|No| |Display-number of lines #|4|Secrecy|Yes| | | |Backlit|Yes|Outgoing Call Control|Yes| | | |Contrast control|Yes| | |PSU item code|084385| | | | | | | | | | |Inductive coupler|Yes| | | |Handset polyphonic ringtones|10|Earpiece volume control|Yes|Answer Machine| | |Handset standard ringtones|5|Hands free volume control|Yes|Recording time (mins)|Up to 60| |Ringer on/off|Yes|Call timer|Yes|Playback|Handset & base| |Ringer volume control|Yes|Clock|Yes|Outgoing messages|2| |Visual ring indicator|Yes|Alarm|Yes|Recordable outgoing messages|Yes| |Talk time|16 Hours|Calendar|No|Answer delay|Yes| |Standby|180 Hours|Appointments|No|Time saver|Yes| | | |Illuminated keypad|No|Remote access|Yes| | | |Keypad confirmation tone|Yes|Message advice|Indicator| | | | | |Call screening|Yes|
| | | | |Memo|Yes| | | | | |Timed TAM|Yes| | | | | |Slow playback of messages|Yes| | | | | | | | | | | | | | |
Notes: # including icons and soft keys as appropriate
Product Information
|Weights and dimensions Base 198.4 (gms) : Handset 141.4(gms) :
Handset : 18.3(H) cm x 6.1(W) cm x 4.0(D) cm Base : : 17.2(H) cm x 11.4(W) cm x 5.3(D) cm|Item code
BT4600 Single : 084665 BT4600 Twin :084666 BT4600 Trio :084668
PSU : 084385| |---|---| |Gift box – dimensions / complete / empty Single :18.0(H) x19.0 (W) x8.8 (D) cm / 0.590 / 0.069 g Twin : 18.0(H) x19.0 (W) x13.4 (D) cm / 0.986 / 0.102 g Trio : 18.0(H) x24.5 (W) x12.1 (D) cm / 1.322 / 0.114 g|CSS code TBC| |Over pack – dimensions / complete Single : 21.0(H) x 39.8(W) x 37.4(D) cm /5.300 kg Twin : 21.0(H) x 42.2(W) x 39.8(D) cm /6.497 kg Trio : 21.0(H) x 50.6(W) x 26.1(D) cm /5.7206 kg|Gift box barcode Single : 5016351617946 Twin : 5016351617953 Trio : 5016351617960| |No. of gift boxes per over pack
Single : 10 Twin : 8 Trio : 6|Over pack barcode Single : 05016351824269 Twin : 05016351824276 Trio : 05016351824283| |Pallet Ti's x Hi's
Single : Ti : 6 Hi : 4 Twin : Ti : 6 Hi : 4 Trio : Ti : 6 Hi : 4| |
Technical support: Available from the BT Helpdesk on 0800 145 6789 or via the email link on the product page at www.bt.com/producthelp
Status: Launched Country of manufacture: China