【實用商業app】SPREADD|最夯免費app-綠色工廠好玩App

SPREADD is designed specifically to leverage the iPhone's unique capabilities and easy way to make a iPhone voip call by using iPhone devices. Featuring a comfortable and simple user interface iPhone sip client lets you connect your iphone to standard landline or mobile phones.The iPhone sip client is meant for service providers who can use this dialer and get it integrated with their existing SIP servers. SPREADD works just like standard SIP Softphones i.e. it gets registered on the SIP server and then let the authentic caller makes calls.This softphone also turns your iPhone into a VoIP phone, so you can make cheap or even free phone calls over the internet at anytime, and from almost anywhere.FeaturesCustomized with company logo/nameUnlimited user licenseSIP protocol supportMaking and receiving callsCodecs supported: G729, G722, G711,GSMCall timerRecent CallPhone Book (Synchronize with Phone Address Book)Add contact from AppLocal signaling (Dial tone, busy, ring back, etc.)RedialSpeakerMuteTouch ToneSilence SuppressionEcho CancellationRegistration TimeoutProxy SettingSTUN ServerSystem Requirements:Supported : iOS 7.0 or later.This Application is optimized for iPhone 5 and iPhone 5s.Internet Connectivity: Wi-Fi,3G.