Ht2000 coin payphone 1. Micro computer control system 2. Verify real / fake coins 3. Enact tariff rate 4. Enact free dial numbers 5. Enact barred dial numbers 6. Limit dialed number digits 7. Build-in auto ip dialer 8. Auto/manual charge mode selection 9. Tone dialing 10. Ptt/pbx mode selection 11. 16-digit dot-matrix backlight lcd display 4pcs / 48*47*35 cm
