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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