Nimbuzz has today released what it describes as the most comprehensive VoIP application for the iPhone after "quite a few" rejections from Apple.

Building on its iPhone app launched in November, Nimbuzz users can now make international calls to mobiles and landlines at domestic rates by dialing a local access number available in over 50 countries.

The Dial-Up VoIP 3G call is then connected to anywhere in the world via Nimbuzz VoIP servers.

Other new additions include the introduction of a full dial-pad and the ability to make VoIP calls to landlines and mobiles via Skype-Out, and Nimbuzz’s major SIP provider partners including Gizmo5, Vyke, and sipgate over Wifi – effectively turning the iPod touch into an iPhone.

Nimbuzz can also show users’ available credit on the dial-pad when using Skype Out for phone calls to landlines and mobile phones.

Another new feature allows Twitter updates via the Personal Message option.

Free Wi-Fi calls to instant messaging buddies were already available.

Evert Jaap Lugt, CEO of Nimbuzz, said Nimbuzz’s rapidly growing user base is partly due to its already successful iPhone application.

"We are a mass-market lifestyle application and are keen to ensure we keep up to date with the needs of the hyper-connected, so this update reflects initial feedback from our users."

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