7. Data - HSCSD
7.1 AT+CHSC | HSCSD Current Call Parameters | |||
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| Description | Command | Possible Responses | |
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| Show current HSCSD | AT+CHSC | • | +CHSC:<rx>,<tx>,<aiur>,<coding> |
| call parameters |
| • | +CME ERROR: <err> |
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| • OK | |
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| • ERROR | |
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| Test if command is | AT+CHSC=? | • | +CME ERROR: <err> |
| supported |
| • | OK |
• ERROR
Returns information about the current HSCSD call parameters, i.e. the current number of receive and transmit timeslots, air interface user rate and channel coding.
<rx> | Description |
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0 | No HSCSD call is active. See also note below |
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1 | The number of receive timeslots currently in use is 1 |
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2 | The number of receive timeslots currently in use is 2 |
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<tx> | Description |
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0 | No HSCSD call is active. See also note below |
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1 | The number of transmit timeslots currently in use is 1 |
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<aiur> | Description |
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0 | No HSCSD call is active. See also note below. |
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1 | Current air interface user rate is 9.6kbits/s |
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3 | Current air interface user rate is 19.2kbits/s |
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<coding> | Description |
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0 | No HSCSD call is active. See also note |
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4 | Current channel coding is 9.6kbits/s (TCH/F9.6) |
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8 | Current channel coding is 14.4kbits/s (TCH/F14.4) |
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LZT 123 7361 R1A
