TMR 4AB USB

4 Port USB Analog Telephon Recording Module

Enables connection to analog PSTN lines through USB.

Features:

• 4 analog PSTN phone entrance, RJ11
• Hook relay.
• Hybrid
• 8KHz, 8 bit, A-law coded
• Line status indicator with leds (hook on/off, ring, open circuit)
• Low and high impedance choices
• Measures the DC voltage value of the line
• Intercepts hook and ring status.
• 220v AC protections
• High voice quality (Fax decoding)
• Plug & Play
• 200 x 110 x 30 mm

Features supported by software:

Soft switch, PBX
Interactive Voice Reply -IVR
Voice Mail
Fax
Telephone recordinf
Other Soft Switch applications

Device provides everything necessary between 4 analog phone lines and the software that runs on the computer.

• Perceives the lines status.
• Line failures (short circuit or broken) is perceived.
• High and low impedance connection preferences can be used by the line relay control.
• In that way it is possible to sense the callerID signals which are between the rings.
• Voice on the line is sampled by (bit, A-law codec at 8 KHz is sent to PC continuously, voice data prepared by PC is placed on the line continuously in the same format.
• By using this software all Soft switch properties are supported.

Extras:

Networking
Compressing
Archiving
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