價格：免費
檔案大小：26.6 MB
版本需求：系統需求：iOS 9.1 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Fringer offers simple User Interface and super audio quality VoIP calls in affordable rates. Fringer works on all iOS devices and supports calling over WIFI/EDGE/3G/LTE. In order to use these apps, end-users need login credentials as Username which will be provided by service providers.
Key features include:
1. Lowest battery usage with highest reliability/stability on the App store.
2. Lowest latency.
3. Exceptional voice quality.
4. Bandwidth normalization.
5. Voice/Video packet negotiation
6. Bluetooth support.
7. Excellent audio quality, even on older devices.
8.Supports calling over WIFI/EDGE/3G/LTE.
9. SIP stack fully compliant to RFC.
10. Background/multitasking support.
11. Speakerphone, mute and hold.
