iSipiPhone, iPad, iPod Touch, Apple iPhone OSVersion: 4.9.1 updated Upload date: 19 Jun 13 Tags: Internet & Communications
Commercial 5.99 $
iSip (formerly known as SipPhone) is the first native SIP/VoIP application for iPhone. All calls are made directly to the SIP provider, no middle-man like customized proxy involved, so no voice delay and call quality is excellent.
iSip supports Apple's push notification service, so you can receive the notification message about new incoming call anywhere
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