Acrobits recently made a big splash in the VoIP world with their new business caliber SIP client for the iPhone, Groundwire. While this has legions of VoIP users on the iPhone very excited, it was also important to Acrobits to reward users of their already excellent SIP client Acrobits Softphone with an inexpensive upgrade option. Unfortunately, iTunes doesn’t offer a viable option for Acrobits to do this. It looked like existing users of Acrobits Softphone would need to purchase Groundwire at full price to benefit from the exciting new features of Groundwire. Not to mention the licensing agreement for the G.729 codec would require users to purchase a new license to use the codec in Groundwire (G.729 licensing requires a separate license for each client or device).

This was unacceptable to Acrobits. “We value our customers and want to reward loyal users of Acrobits Softphone,” says Acrobits. So for two days only (August 30th and 31st, 2010), Groundwire is on sale for only $2.99. And users who want the benefit of using the low bit rate, high quality G.729 codec will be able to purchase the license at half price, only $4.99. Not only is Acrobits leading the market in mobile SIP applications, but they are proving themselves adept at building and maintaining customer loyalty as well.

Though the promotion is targeted toward their existing customer base, new customers will benefit from the promotion as well. So if you were considering purchasing a SIP client for your iPhone, or were waiting for the right time to delve into the world of VoIP, now is the time to do it. You won’t be disappointed.

Acrobits will continue to bring new and exciting SIP clients to the mobile VoIP user in the coming months. Their Acrobits Softphone client for Android should be available on the Android Market sometime in September and you can expect an iPad specific version by the end of the year. Keep an eye out for this up and comer in the VoIP world.