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SIM800 数据表(PDF) 158 Page - SIMCom |
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SIM800 数据表(HTML) 158 Page - SIMCom |
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158 / 380 page ![]() Smart Machine Smart Decision SIM800 Series_AT Command Manual_V1.09 158 2015-08-03 GSM850_PCS_MODE EGSM_PCS_MODE ALL_BAND Parameter Saving Mode AUTO_SAVE Max Response Time - Reference Note Radio settings are stored in non-volatile memory. The value of parameter <op_band> is different among SIM800 series project, please refer to chapter 21 for details. 6.2.18 AT+CHF Configure Hands Free Operation AT+CHF Configure Hands Free Operation Response +CHF: (list of supported <ind>s),(list of supported <state>s) OK Test Command AT+CHF=? Parameters See Write Command Response +CHF: <ind>,<state> OK Read Command AT+CHF? Parameters See Write Command Response OK ERROR If error is related to ME functionality: +CME ERROR: <err> Unsolicited Result Code +CHF: <state> Write Command AT+CHF=<ind> [,<state>] Parameters <ind> 0 Unsolicited result code disabled 1 Unsolicited result code enabled (non-volatile) <state> 0 Main audio channel 1 Aux audio channel 2 Main audio channel hand free mode 3 Aux audio channel hand free mode 4 PCM channel |
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