Basic
network, low send level, push button push
button Trimphone for use on MF signalling systems. Similar to the Telephone
No.766.Basic
network, low send level, push button push
button Trimphone for use on MF signalling systems. Similar to the Telephone
No.766.
The Telephone No. 8786 was a 786 modified for Plug and Socket working. The 8786RR was fitted with a Timed Break Recall button (Register Recall).
Introduced around 1978.
| Model | Mark | Blue | Grey | Green | PBU | Introduced | Remarks |
| Tele 786 | Mk 1 | y | y | y | 52A/1 | 8/76 | STC - was 1/766 |
| Mk 2 | y | y | y | 52B/1 | 1/80 | STC - was 1/766 (cost reduced) | |
| Mk 3 | y | y | y | 52A/2 | 10/78 | GEC - was 2/766 | |
| Mk 4 | y | y | y | 52A/3 | 1/79 | PYE - was 3/766 | |
| Mk 5 | y | y | y | 52C/1 | 8/79 | STC - was 4/766 | |
| Mk 6 | y | y | y | 52B/2 | GEC | ||
| Mk 7 | y | y | y | 52B/3 | PYE/TMC | ||
| Mk 8 | y | y | y | 52A/4 | PLESSEY | ||
| Mk 9 | y | y | y | 52A/5 | BTF | ||
| Tele 8786 | Mk 1 | y | y | y | 7A | GEC | |
| Mk 2 | y | y | y | 54A/1 | STC | ||
| Mk 3 | y | y | y | 54A/4 | PTL | ||
| Mk 4 | y | y | y | 12A | PYE-TMC | ||
| Mk 5 | y | y | y | 54A/1 | GEC | ||
| Mk 6 | y | y | y | 54A/3 | TMC | ||
| Tele 8786RR | Mk 1 | y | y | y | 7A | GEC | |
| Mk 2 | y | y | y | 54A/1 | STC | ||
| Mk 3 | y | y | y | 54A/4 | PTL | ||
| Mk 4 | y | y | y | 12A | PYE-TMC | ||
| Mk 5 | y | y | y | 54A/1 | GEC | ||
| Mk 6 | y | y | y | 54A/3 | TMC |
How to wire your Telephone No. 786 to make it work on Plug and Socket
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FM