> 18.3 | ATM Set monitor speaker mode

> ATM is implemented for V.250ter compatibility reasons only, and has no effect. In multiplex mode (refer AT+CMUX) the command is supported on logical channel 1 only.
> Syntax

> Exec Command ATM[<val>]
> Response(s)
> OK

> Reference(s) |  | PIN |  | ASC0 | ASC1 | USB | MUX1 | MUX2 | MUX3 |  |  | Charge | Q | Last
> V.250 |  | - |  | + | - | - | + | - | - |  |  | - | + | -

> Parameter Description

> <val>(num)