A GPRS / data-enabled handset.

Click telco for instructions and charges:

M1
Go to MiWorld Mobile, New > Videos > News & Finance > LIVE!CNA

Also available under M1's Video Buffet.

Charges: S$0.107/min

SingTel
Go to SingTel IDEAS Mobile Portal > News & Info,
OR
Subscribe to mio TV on Mobile, use your mobile to dial

Charges:
IDEAS Mobile Portal: $0.54 per view; or at $2.14 per month

mioTVm: $0.50 per view
* All pricing includes GST

StarHub
SMS <LIVETV> to 6757 or
Go to Gee! select "StarHub TV on Mobile"
 
Charges: $1 for 24 hours unlimited access or
S$26.75/mth for unlimited access
(No GPRS charges when viewing in Singapore)