ZyXEL Communications Omni 288S - Manual (Page 15)

Chapter 1 - Introduction
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„ Microphone jack is provided to increase the quality of voice recordings
„ Speaker jack lets you plug in an external speaker for clearer output of
recorded messages.
„ 2, 3, 3-bit new and 4-bit ADPCM for high quality voice digitization with
speech compression at 19.2Kbps, 28.8Kbps, 30.7Kbps, and 38.4Kbps
„ Simultaneous DTMF, dial-tone, answer tone and fax/data calling tone
detection
„ Voice AT+V (IS-101) command set
Technical Specifications
„ Operating mode: auto-dial/answer
„ Flow control: software XON/XOFF or hardware CTS/RTS
„ Data/Voice toggle switch
„ Configuration settings: software programmable with nonvolatile memory for
phone number/profile storage
„ Diagnostics: self test, analog loopback (with self test), digital loopback, and
remote digital loopback (with self test)
„ Dialing type: tone/pulse dialing
„ Line interface: RJ-11 2-wire dial-up or leased line
„ Call progress monitoring: dial tone, busy, and ring back detection
„ Audio Monitor: programmable volume control