BT 1250 Classic User Manual page 27

The BT On-Air 1250 Classic (with up to 6
handsets) has a total REN of 1. Any other
instrument provided by BT may be assumed
to have a REN of 1 unless stated otherwise.
A total REN of 4 is allowed per telephone line.
(For example: if the BT On-Air Classic is used
in conjunction with three extension
telephones, each with a REN of 1, then the
total REN = 4)
Only use approved power supply item code
872101.
Only use approved batteries item code 872102.
This apparatus was designed in compliance
with European Council decision Number
98/482/EC relative to pan-European
connection in view to its connection on the
Public Switched Telephone Network (PSTN).
It is in conformity with Standards TBR21,
TBR38(*)ETSI 201 121.
(*) Terminals integrating an analogue handset function.
If problems arise, your supplier should be
contacted first.
The EC marking attests product conformity
with the essential requirements in compliance
with Directives 73/23/EC for User Safety,
89/336/EC for Electromagnetic perturbations
and 98/13/EC for Telecommunication network
access.
The manufacturer declares that the products
have been manufactured in conformity with
Annex III of RTTE Directive 99/05/EC.
If you are experiencing difficulty, please call
the BT On-Air Helpline on
Generally this telephone may be connected to
switchboards which support tone signalling
and timed break recall. In the event of any
difficulties please consult your switchboard
service provider.
Please note this product does not support
earth recall.
This is of use when connected to
switchboards or using BT Select
Services. It is only available when a
call is in progress.
When you need to use recall during
a call:-
Recall
Press the
– – –
appears on the display.
When you connect your telephone to a
switchboard, you can set the switchboard's
external line access code so that when you
make an external call using the handset
directory, redial list or preparatory dialling,
the code is automatically dialled before the
.
number.
Recall
button.
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