US Robotics 56 K SOFTMODEM - COMMAND REFERENCE REV 1 Manuale Utente Pagina 150

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USRobotics
Command Reference
Voice Commands - 142
Reporting Supported Range of Parameter Values
Command: +VSM=?
Response: + VSM: <cml>, <cmid>, <bps>, <tm>,<vsr>,<sds>, <sel>
<cml> Decimal number identifying the compression method (1, 128 to
133).
<cmid> Alphanumeric string describing the compression method
(UNSIGNED PCM, 8-BIT LINEAR, ADPCM, ULAW, ALAW, or
LINEAR).
<bps> Decimal number defining the average number of bits in the
compressed sample not including silence compression (4, 8, or
16).
<tm> Decimal number (0) reporting the time interval, in units of 0.1
second, between timing marks. A value of 0 reports that timing
marks are not supported.
<vsr> <range of values> containing the supported range of voice
samples per second of the analog signal (7200 or 8000).
<scs> <range of values> containing the supported range of sensitivity
settings for voice receives (0).
<sel> <range of values> containing the supported range of expansion
values for voice transmits (0).
Example:
AT+VSM=?
1,"UNSIGNED PCM",8,0,(7200,8000),(0),(0)
128,"8-BIT LINEAR",8,0,(7200,8000),(0),(0)
129,"ADPCM",4,0,(7200,8000),(0),(0)
130,"UNSIGNED PCM",8,0,(7200,8000),(0),(0)
131,"ULAW",8,0,(7200,8000),(0),(0)
132,"ALAW",8,0,(7200,8000),(0),(0)
133,"LINEAR",16,0,(7200,8000),(0),(0)
Result Codes
OK Valid range.
ERROR Otherwise, or if not in Voice Mode.
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