VieCall app for iPhone and iPad

VieCall is a FREE SIP softphone application for voip calls over 3G or WiFi. There are NO ADVERTISEMENTS.

For support please visit: http://trianh.vn

VieCall softphone offers a simple user interface and superb audio quality for smooth Voice over IP experience.

Contact us for whitelabel versions with your logo and company or for our VoiP SDK if you want to build your own solution or visit http://trianh.vn

Available for both SIP and IAX systems, VieCall is a phone solution perfectly fit for end users, service providers, call centers or any business willing to benefit from VoIP communications.

Want to distribute it to your users ? Use the free automatic provisioning system on http://trianh.vn and avoid tedious manual configurations!.

IMPORTANT: VieCall softphone is a standalone client-side software VOIP phone application and is not bundled together with a voip service. To make and receive voip calls using VieCall, you must subscribe to any SIP or IAX based service provider across the globe.

VieCalls key features include:

- Lowest battery usage with highest reliability / stability
- Lowest latency of all softphones
- Excellent audio quality, even on older devices
- Supports calling over 3G and WIFI
- Multiprotocol with SIP and IAX support, compatible with all RFC
compliant PBXs
- Background / multitasking support
- Native dialer integration
- Integration with the native contact list
- Speakerphone mute and hold
- UDP and TCP transports (use TCP for better battery life!)
- Supports g729, g711 (ulaw, alaw), speex, iLBC and gsm codecs
- Supports sending of DTMF
- DNS SRV
- Built-in echo cancellation
- STUN support
- Change ringtone per account
- call waiting
- Call Transfer
- Video support
- ZRTP / TLS support
- Wideband audio

VieCall is also available as customized branding solutions or VoIP SDK, please contact us for more information.