Shows if they are registered on the Signal Servers or not.
In json mode this is outputted as a list of objects.
-[NUMBER [NUMBER ...]]::
+[RECIPIENT [RECIPIENT ...]]::
One or more numbers to check.
[--username [USERNAME ...]]::
*--name*::
Find contacts with the given contact or profile name.
+*--detailed*::
+List the contacts with more details. If output=json, then this is always set
+
+*--internal*::
+Include internal information that's normally not user visible
+
=== listIdentities
List all known identity keys and their trust status, fingerprint and safety number.