BTE: British Telecom Engineering Trial BT Phonecards

These British Telecom (BT) telephone cards were cards produced by BT and/or telephone card manufacturer Landis & Gyr to test and run trials for BT Phonecards before they went into general production and release to the public.

The cards pictured below appear in order of catalogue number BTE001 to BTE022. The cards pictured are a mere few from the BTE category which features 22 cards.

To view BTE cards BTE001 to BTE013 simply purchase a copy of the UK 1 World Phonecard Catalogue (pictured right). To view BTE cards BTE014 to BTE022 you will need to purchase the UK 2 World Phonecard Catalogue.

BTE001: 1st Issue Definitive Thermographic Trial - BT Phonecard

1st Issue Definitive Thermographic Trial.
BTP001: 1st Issue Definitive Thermographic Trial
Quantity: Unknown
Issued: Late 1980s


BTE009: Island Life (2) Full Face Trial - BT Phonecard

Testing for full face printing onto a BT Phonecard. This card is encoded with 120units.
BTE009: Island Life (2) Full Face Trial
Quantity: 10
Issued: 1994


BTE010: St. Tiggywinkles Full Face Trial - BT Phonecard

Both sides of the St. Tiggywinkles full face print trial are shown above. You will notice on the face that the card has a 20unit header, however on the reverse you will notice it is actually encoded with 120units (the maximum number of units on a single track optical card). Please note: This card is also included in the BT internal cards where it is given a catalogue number of BTI154.
BTE010: St. Tiggywinkles Full Face Trial
Quantity: 15
Issued: 1995


BTE011: HM Prison Full Face Trial - BT Phonecard

This card was produced as a sample for the Home Office on encoded full face blanks. It was thought that this format may reduce potential fraud since it was easier to see used units on the optical track.
BTE011: HM Prison Full Face Trial
Quantity: 6
Issued: Unknown


BTE014: LGC / GB gruen

BTE014: LGC / GB gruen
Quantity: Unknown
Issued: Unknown


BTE015: LGC / BSK50 Lack

BTE015: LGC / BSK 50 Lack
Quantity: Unknown
Issued: Unknown


BTE016: LGC / TL-TT

BTE016: LGC / TL-TT
Quantity: Unknown
Issued: Unknown


BTE017: LGC / BT Trial Card : BT Green

BTE017: LGC / BT Trial Card : BT Green
Quantity: 25
Issued: Unknown


BTE018: LGC / BT Trial Card : White Track BSK 50

BTE018: LGC / BT Trial Card : White Track BSK 50
Quantity: 25
Issued: Unknown


BTE019: LGC / BT Trial Card : Thermo Lacquer

BTE019: LGC / GBT Trial Card : Thermo Lacquer
Quantity: 25
Issued: Unknown


Last updated: 9th November 2017

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