Zoiper

应用介绍: Try our new beta with much improved audio here: https://play.google.com/store/apps/detailsid=com.zoiper.android.zoiperbeta.appZoiper is a FREE IAX and SIP softphone application for voip calls over 3G or WiFi. There are NO ADVERTISEMENTS.Zoiper softphone offers a simple user interface and superb audio quality for smooth Voice over IP experience.Available for both SIP and IAX systems, Zoiper is a phone solution perfectly fit for end users, service providers, call centers or any business willing to benefit from VoIP communications.Want to distribute it to your users Use the free automatic provisioning system on http://oem.zoiper.com and avoid tedious manual configurations!.IMPORTANT: Zoiper softphone is a standalone client-side software VOIP phone application and is not bundled together with a voip service. To make and receive voip calls using Zoiper, you must subscribe to any SIP or IAX based service provider across the globe.Zoiper''''s key features include:- Bluetooth support (beta)- E