Vonage has announced the release of their new Android application for T-Mobile and AT&T customers. Starting immediately, users can download the free app and enjoy free domestic WiFi calling as well as outbound international calling at discounted rates.

“We are focused on ensuring that our customers can enjoy all the benefits of their Vonage service from any location using any device that can access the Internet,” said Michael Tempora, senior vice president of product management. “We will continue to expand our offerings in 2010 to include a robust set of voice and messaging services that utilize Wi-Fi and 3G wireless networks.”

Features of Vonage Mobile include:

UNLIMITED calling to more than 60 countries for only $24.99/month†

Dial directly from your existing address book contacts without calling cards or PIN codes

Works with your existing mobile phone and current rate plan‡

Plus, make unlimited local and long distance calls over WiFi* when you’re abroad using mobile VOIP, without wasting cell minutes