Schlumberger Test Card

Catalogue Type:
Schlumberger SC5/SC7
In Wrapper
Callcard Information

These plain test cards were used to test payphones installed by Telecom Eireann in Ireland. These cards were given to engineers whose task it was to keep the cardphones operating normally.

The front of this Callcard is blank, while the rear of the SC7 card contains both the Moreno and Bull chipset logos.

Previous Callcard

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