| Name | Payphone 600 CT24- Blue Payphone 2 |
| Date | early 1980s – 2000s. |
| Manufacturer | Manufactured by Landis & Gyr |
| Link | Payphone 600 used in the UK Payphone 600 used in Mexico |
NZ Payphone 600
The CT24A was one of the last coin-operated payphones used extensively by Telecom New Zealand
Network: connected directly to the Telecom analogue network without requiring local power.
Introduced: probably around 1988–1990, replacing the older Associated Automation coinphones that had dominated New Zealand since the 1970s.
Manufacturer: based on the British GPT CT24A (Payphone 600) design, but modified for Telecom New Zealand’s network, software and coinage. The original CT24A was introduced by BT in Britain in the early 1980s as a microprocessor-controlled, line-powered payphone.
Technology: fully electronic, microprocessor-controlled, line powered, with an LCD display and programmable tariffs rather than mechanical timing.
Accepted coins: adapted for New Zealand decimal coinage rather than British coins.
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