56K V.92 Data, Fax, and Voice Chipset

Table 6-1. Voice Mode Command Descriptions (Continued)

+VIP none

Initialize Parameter: This command causes the modem to initialize all voice pa- rameters to the factory default values. This command does not change relay or speaker setup (that is, if the modem is off-hook, then the modem remains off hook after processing this command).

DTE / DCE Inactivity Timer: This command sets the length of time the modem can be inactive in voice mode before the modem resets its relays +VLS=0 and changes to data mode (FCLASS=0) with autobauding. The purpose of this timer is to ensure that the DTE does not leave the DCE in a mode that cannot be ac- cessed by voice-unaware software. This timer is supported in playback, record

+VIT=n 0 and voice command mode. Sending any data (such as a <DLE><NUL> string) to the modem re-initializes this timer.

n =0–255 (units of 1.0 second)

n = 0*

Disables inactivity timer

n 0

Inactivity timer active

 

 

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Programmer’s Guide

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Intel MD566X manual +VIP none