SIM800 datasheet(178/380 Pages) SIMCOM

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SIM800 Series_AT Command Manual_V1.09

178

2015-08-03

Parameter

See Write Command

Response

+CAAS: <mode>

Read Command

AT+CAAS?

Parameter

See Write Command

Response

This parameter setting determines whether or not the audio channel will be

switched automatically to the corresponding channel in case of headset

attaching or detaching.

If error is related to ME functionality:

+CME ERROR: <err>

Write Command

AT+CAAS=<mo

de>

Parameter

<mode>

Disable automatic audio channel switch function, the headset

HOOK function is disabled;

Enable automatic audio channel switch function, the headset

HOOK function is enabled;

Disable automatic audio channel switch function, the headset

HOOK function is enabled.

Parameter Saving

Mode

AT&W_SAVE

Max

Response

Time

Reference

Note

For this command, please refer to actual model.

The headset detection is still worked when <mode> is set to 0.

6.2.44 AT+SVR

Configure Voice Coding Type for Voice Calls

AT+SVR

Configure Voice Coding Type for Voice Calls

Response

+SVR: (list of supported <voice_rate_coding>s)

Test Command

AT+SVR=?

Parameter

See Write Command

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