certain users. However, this document does not specify
such service.
+
+ 0x00001000 SILC_UMODE_BLOCK_INVITE
+
+ Marks that the client wishes to block incoming invite
+ notifications. Client MAY set and unset this mode.
+ When set server does not deliver invite notifications
+ to the client. Note that this mode may make it harder
+ to join invite-only channels.
+
If the <client mode mask> was not provided this command merely
returns the mode mask to the client.