If you're a StarHub Digital Voice Global subscriber, you can now download the Digital Voice Softphone app for this service.
StarHub is marketing Digital Voice Global as being ideal for people who live abroad but call home regularly because with this service, you can call any Singapore registered number for free, though only until the end of 2011. The subscription to Digital Voice Global is $10.49 a month.
Note that some carriers overseas restrict the use of voice-over-IP so you should check to make sure you can use this app when you are overseas.
Digital Voice Softphone is a free app. You can download it here.
(Thanks to Victor for the tip-off!)
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