Out-Law.com reports that Singapore businesses a s loop hole or carve out when it comes to their Do Not Call registry:
From 2 January businesses operating in Singapore have been generally prohibited from sending marketing messages to individuals whose telephone numbers are included on a new DNC Registry.
Businesses are required to consult the Registry before sending such messages and face fines if they send messages to those who have asked not to be contacted. Only if they have received the “clear and unambiguous consent” of individuals listed on the Registry to the sending of marketing messages is that activity legitimate.
However, a new exemption allows businesses to send either text or fax messages to promote “related products and services” to individuals they have an “ongoing relationship” with, without having to consult the new Registry first.
Read more on Out-Law.com