M - Speaker Control; G - Select Guard Tone - Conexant H08-15355F Reference Manual

3.2.3.8 M - Speaker Control

This command controls speaker on or off according to the supplied parameter.
Syntax
M[<value>]
Defined Values
<value> Decimal number corresponding to the selected option.
Result Codes
OK <value> = 0 to 3.
ERROR Otherwise.
3.2.3.9 &G - Select Guard Tone
This command is included for compatibility only and has no effect other than returning an OK result code.
Syntax
&G[<value>] n = 0 - 2.
Defined Values
<value> Decimal number corresponding to the selected option.
Result Code
OK <value> = 0 to 2.
ERROR Otherwise.
1118
Command Reference Manual
0 Speaker off.
1 Speaker on during call establishment, but off when receiving carrier. (Default.)
2 Speaker on.
3 Speaker is off when receiving carrier and during dialing, but on during answering.
0 Included for compatibility only and has no effect other than returning an OK result code.
(Default.)
1 Included for compatibility only and has no effect other than returning an OK result code.
2 Included for compatibility only and has no effect other than returning an OK result code.
Conexant
3-21