Green text on caller ID means the number may be a useful call

Call Defender provides Whoscall Caller ID function, which can identify over 500,000 number.

Call Defender not only blocks numbers by using HKJunkCall telemarketing list, but also integrates Whoscall Caller ID functions, which identifies hospitals, public organizations, restaurants, couriers or delivery numbers. Don't worry about missing an important call again.
Numbers which not be blocked are displayed in green.
(There are many types of telephone scams. Verify the caller's identity.)