Follow me GSM PSTN gateway
Copyright@ CHOUQIN TECHNOLOGY LIMITED
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Draw your attention:
Because there are many types of ordinary telephone and their
electric parameters are different. In order to avoid mutual disturbance between telephone
and terminal and affect voice quality. The distance between telephone and terminal is
1.5m at least.
2) The installation for connecting to billing device for metering
If the users demand to register cost during calls, billing device can be connected
between terminal and ordinary telephone. Billing device register cost according to the
anti-polarity signal that is provided by terminal.
The sketch for connecting to Billing device or Computer charging system
3) The installation for connecting to PBX for call extensions
If users want to connect small PBX to this terminal, connect terminal’s “Phone port” to the
PBX.
