Call waiting issue

[kmsgli]

Code:

to check:
as a user
$ sudo mmcli -m any --command="AT+CCWA=0,2"
as a root
# mmcli -m any --command="AT+CCWA=0,2"

to disable:
as a user
$ sudo mmcli -m any --command="AT+CCWA=0,0"
as a root
# mmcli -m any --command="AT+CCWA=0,0"

Code:

[manjaro@manjaro-arm ~]$ sudo mmcli -m any --command="AT+CCWA=0,2"
[sudo] password for manjaro:
response: '+CCWA: 1,1
+CCWA: 1,32'
[manjaro@manjaro-arm ~]$ sudo mmcli -m any --command="AT+CCWA=0,0"
error: command failed: 'GDBus.Error:org.freedesktop.ModemManager1.Error.MobileEquipment.Unknown: Unknown mobile equipment error: 258'
[manjaro@manjaro-arm ~]$

That is what i got from those commands.