Compaq Armada 1500 - Page 177

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Modem Commands C-7
Table C-2 Continued
Command Description
-Cn Data Calling Tone. Data calling tone is a tone of 130 Hz frequency with a cadence of 0.5
seconds on and 2 seconds off. The tone is specified in ITU V.25 to allow remote
data/fax/voice discrimination.
Parameters: n = 0, 1
n = 0 Disable data calling tone (default)
n = 1 Enable data calling tone
NOTE:
In some countries, AT-Cn will return OK but will not affect the calling tone.
Default value varies by country
%B View Numbers in Blacklist
Displays blacklisted numbers if blacklisting is in effect.
%Cn Data Compression Control. AT%Cn determines the operation of V.42bis and MNP class 5
data compression. Changes made with this command during online command mode do not
take effect until after a disconnect occurs.
Parameters: n = 0, 1
n = 0 V.42bis/MNP5 disabled; no data compression
n = 1 V.42bis/MNP5 enabled; data compression enabled (default)
To enable speakerphone mode, use the follwing AT Commands:
AT+FCLASS=8 Enter voice mode.
AT+VGT=nnn Set speaker volume; nnn=0-255
AT+VGR=128 Set microphone gain; 0-255
AT+VLS=7 Set up speaker and microphone; go off hook
ATDT<phone
number>
Dial the phone number.
To disconnect speakerphone mode, use the folling AT command:
+++ Retrun to command mode. The response is ’OK’.
AT+VLS=0 Go on hook.