Single line push button, tone dial telephone "guts only" used in all GB90H and GB5955H housings.
Note: Not recommended for temperatures below -22°F (-30°C)+°140 (+60°C).
Features:
- Single line telephone
- Push button tone dial
- Amplified receiver
- Field programmable micro-processor controlled toll restriction
- Restricts 411
- Number 1 as first digit (long distance)
- Number 0 as first digit (operator & over seas)
- Restrict any number of digits dialed in a dialing sequence (if the number 3 is programmed then the user can only push 3 numbers on the dial pad, the fourth number would be locked out)