MobiSIP Pro

* VoIP Calling Support* Calling Card Support* Multiple Codec support with G.729 Codec Support.* Call Recoding* TLS/TCP/UDP Support* SRTP Support* Custom Place Holder Text* Callerid Support* Call History Support.* DTMF Support* Support Calling over 3G and WiFi* Speaker phone, Mute and Hold functions* Excellent audio quality* Balance display (with Currency) on Main Screen.* Contact Picker tab for selecting contacts from Phonebook.* In-coming Call SupportKnow more: http://mobisnow.com/app/android-sip-dialer/
IMPORTANT: Its a standalone VoIP client software for android Smart Phones, to make and receive calls using MobiSIP, you must subscribe to any SIP Service provider.