3.1.2. AT#ECAM - Extended Call Monitoring
This command enables/disables the call monitoring function in the ME.
Enables/disables the call monitoring function in
the ME, that informs the user about call events
(such as incoming call, connected, hang up)
using the following unsolicited indication:
#ECAM:
<ccid>,<ccstatus>,<calltype>,,,[<number>,<type>]