AT#PROTOCOLCFG?
Read command returns the current settings in the format:
#PROTOCOLCFG:"FTP",<cid>,<UNUSED_1>,<UNUSED_2>,<UNUSED_3><CR><LF
>
#PROTOCOLCFG:"SMTP",<cid>,<UNUSED_1>,<UNUSED_2>,<UNUSED_3><CR><L
F>
#PROTOCOLCFG:"PING",<cid>,<UNUSED_1>,<UNUSED_2>,<UNUSED_3><CR><L
F>
#PROTOCOLCFG:"SSL",<cid>,<UNUSED_1>,<UNUSED_2>,<UNUSED_3><CR><LF
>