9.2.2.2 Extended Commands:

Extended commands begin with a single ‘+’ character followed by a command name. If the command requires parameters, the command name is followed by a single ‘=’ character with each parameter separated from the next by a comma. Parameters must follow the formatting rules for Integers, String or Labels.

Examples:


Commands	Description
`ATL<CR><LF>`	Basic command ‘`L`’
`ATJ0<CR><LF>`	Basic command ‘`J`’ with argument ‘`0`’
`ATLJ0<CR><LF>`	Basic command ‘`L`’ and ‘`J`’
`AT+CMD<CR><LF>`	Extended command ‘`CMD`’
`AT+CMD=0<CR><LF>`	Extended command ‘`CMD`’ with single parameter ‘`0`’
`AT+CMD=0,1<CR><LF>`	Extended command ‘`CMD`’ with two parameters ‘`0`’ and ‘`1`’
`ATJ0+CMD=0,1<CR><LF>`	Combination of basic and extended commands