Using Mwave DSP Telephony Features
Mwave Data Modem
The Mwave telephony features support direct attachment to a
public-switched telephone network (PSTN). The Mwave data
modem supports the standard communication port interface and can
be used with the communications programs that use the Hayes
**
AT
command set.
The Mwave data modem provides the following features:
Standard asynchronous communications port interface
(NS16550A UART compatible) operation
Bell
**
-103/212A, ITU-T V.32bis protocols with data from 50 to
2400 bps
ITU-T V.32bis protocols with data rates of 4800, 9600 uncoded,
and 9600 bps Trellis coded (optional)
ITU-T V.32bis protocols with data rates of 4800, 7200, 9600,
12 000, and 14 400 bps (optional)
Hayes AT command set compatibility
Call progress monitoring
Automatic dialing
Dual-tone modulation frequency (DTMF) and pulse dialing
Asynchronous error recovery protocol
Error correction via Microcom Network Protocol (MNP
**
) classes
1–4
MNP class 5 for up to 2x data compression
Functional upgrades via software
ITU-T V.42bis error correction
80
IBM ThinkPad 760CD User's Guide
Title: C78TFMST CreationDate: 07/11/95 14:33:57