Meter Pulse Facility
Normally used by Hotels and owners of Payphone lines. Meter Pulse Facility provides a series of charging "pulses" on a customer's line. The interval between pulses dependant upon the price of the call.

Caller Display
Displays the telephone number belonging to the party calling you, but only if they have chosen to present it.

Reminder Call
Allows you to programme your own phone to ring back at the desired time as an alarm or a reminder.

Three-Way Calling
Allows a third person to join in a phone conversation, enabling customers to set up their own conference calls.

Call Diversion
Diverts incoming calls to virtually any other telephone, including a mobile phone. The caller is charged only for their call to your phone, and you pay for the diverted call to its new destination.

Smart Divert
Allows you remote access to re-configure your Call Diversion's settings.

Call Sign
Provides customers with an additional phone number on their existing line, which will ring with a distinctive sound when called. They will be able to know before answering the phone whether it is, for example, a personal or business call, or a call for a different member of the family. Call sign can also be used to identify between a fax or telephone call on the same line. Auto-routing the incoming call accordingly if the line is connected to a compatible Answerphone/Fax machine.

Ring Back
Also known as Call Return, is invoked by dialling "3" while receiving an engaged tone. The Ring Back service will then call you later and inform you that it is now going to connect you to the busy line, as it is no longer engaged.

Bar use of Call Return
Disables the facility of being able to call back a number that had previously called you by simply dialling "3".

Prompted Ring Back Removal
Permanently removes the network voice prompt that invites you to invoke Ring Back by dialling "3" every time you receive an engaged tone.

Call Waiting
A beep notifies you when another person calls you while you are on the line, while a voice message simultaneously informs the caller that the beep has alerted you that someone is trying to contact you.

Call Barring
Managed by inputting a PIN code, Call Barring allows you to bar incoming calls when you do not wish to be disturbed. Or, in order to control your bill you can use Call Barring to selectively bar outgoing calls to particular prefix number ranges such as International destinations or Premium Rate Service numbers.

BT Controlled Call Barring
A one-off request to bar either all Incoming Calls, all Outgoing Calls or all Outgoing Calls except calls made to Emergency Services.

Messaging Services
Several types of Messaging Services can be enabled :-

• Answer 1571. Messages of up to 2 minutes can be recorded. 10 messages stored at any one time. You will be alerted to new messages by an interrupted dial tone.

• Call Minder. Provides a personalised answering service from within the BT phone exchange, with remote access to messages. It can record up to 30 incoming messages for customers even when they are using their own phone.

• Call Minder Extensions. Provides a personalised answering service from within the BT phone exchange, with remote access to messages for up to eight additional PIN protected mailboxes. Each message box being kept private.

Number Withheld
Prevents others from seeing your telephone number when you call them.

1471 Extra
1471 Extra (Enhanced Call Return) service allows customers to access the date, time and number of the last five calls received. Customers are able to skip backwards and forwards through the list, delete numbers from the store if required, and use '3' to return a call to any of the stored numbers.

Anonymous Call Reject
Provides an automatic bar in the exchange on all telephone calls where the number is withheld. Customers whose calls are rejected will receive a recorded message, prompting them to release their numbers before re-dialling.

Choose to Refuse
Of particular help to victims of malicious or nuisance calls and recipients of regular wrong numbers. Choose to Refuse allows users to bar up to 10 telephone numbers from which they do not wish to receive calls. The last answered incoming call can be barred by inputting a simple access code followed by **. If the call is not answered, the telephone number can be noted from the use of 1471 or Caller Display and keyed manually into a personal datastore by accessing the service and entering a PIN. Customers can also choose to bar other telephone numbers manually, even if there have been no recent call attempts. Every incoming call is checked against the barred list of up to 10 telephone numbers without affecting connection times.