The Answer and Recording Machine No 103, sales name of Osprey, is a low profile telephone answering and recording machine which uses standard size mini-cassettes to store both incoming and outgoing messages. The Osprey may be used as an "answering only" machine by omitting the incoming message cassette. The machine is housed in a mock teak finish plastic cabinet and the control functions are written on a matt black finish finger plate. Access to the mini-cassettes is obtained by sliding off a panel situated on the top surface using the thumb or finger. The facilities of the machine are listed below:-
Outgoing                         Dictation/Conference/
Announcement 5 to 180 secs.      Message facility
Incoming Message                 Aux. socket for mic. and
capacity   Up to 30 mins         headphone
Two Way Recording                Call Counter
Call Monitoring                  Telephone Line Test
Answering Only                   Pay Tone Detection
Built in microphone              Volume Control
Fast Tape Forward and            Voice Operated
Rewind                           Switch (VOX) release
Fast Tape Erase                  Line break release
Tape Full detection              Ring trip Adjuster
                                 2 or 6 cycles

The machine is mains powered and can only be interrogated locally. In the event of a mains failure the machine will not answer calls, but will automatically reset to answer when the mains power is restored. The calls counter will reset to zero, but calls received before and after the mains failure are not lost.

Made by Answercall Ltd.
Answercall Ltd, Kangley Bridge Road, LONDON, SE26 5AH
Telephone: 01 659 1133

Answering and Recording Machines 103A and 103B are suitable for use on Phone Socket installations on DELs and most types of PBX.
The Answering and Recording Machine 103B must be used on PBXs with C wire signalling.


Description  BT Item Code
Answering and Recording Machine 103B 870063
Fuse 73/0.63   314344
Uses Answercall 2x20 Mini cassettes  

Normal test conditions when the machine is waiting to answer. After answering an incoming call the machine presents a loop resistance to line of approximately 130 Ohms.
When recording a two way conversation the machine presents an impedance of approximately l0k Ohms across the line ensuring speech is unaffected.

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Last revised: November 12, 2010