【實用商業app】SipZen|最夯免費app-綠色工廠好玩App

1. Faster Registration2. Call to others is more easier3. Add to contact(new / existing)4. Add picture to contact5. Show picture of contact during call6. Easy contact searching7. Alphabetic scroll bar in contacts8. Manage Call logs same as iPhone9. New Elegant look10. Has DTMF feature 11. Loud and clear voice12. Call hold, mute, loudspeaker options.13. Consuming low internet14. Consume less battery charge (almost 25% less than previous app)15. both iPhone and iPad support16. Works in VoIP blockades17. Supports IP PBX18. Connectivity through WIFI/3G/Edge19. Call ongoing on background20. Balance information21. Time, call status logs22. Echo Cancellation