Zoiper VoIP SIP IAX Softphone

Zoiper is a FREE IAX and SIP softphone application for voip calls over 3G or WiFi. There are NO ADVERTISEMENTS.
Zoiper softphone offers a simple user interface and superb audio quality for smooth Voice over IP experience.

Available for both SIP and IAX systems, Zoiper 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://oem.zoiper.com and avoid tedious manual configurations!.

IMPORTANT: Zoiper 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 Zoiper, you must subscribe to any SIP or IAX based service provider across the globe.

Zoiper's key features include:

- Bluetooth support (beta)
- Excellent audio quality, even on older devices
- Intelligent Latency Reduction
- 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 android contact list
- Speakerphone mute and hold
- UDP and TCP transports (use TCP for better battery life!)
- Supports g711 (ulaw, alaw), speex, iLBC and gsm codecs
- Supports sending of DTMF
- DNS SRV
- Built-in echo cancellation
- STUN support
- Change ringtone per account

Zoiper is also available as customized branding solutions, please contact us for more information.

- devices that are not compatible yet:
Samsung Galaxy Pocket S5300
Motorola Razr

Warning: using Zoiper as a default dialer may interfere with dialing 911 emergency services.

If zoiper does not work with your phone, please contact us at support@zoiper.com and we will try to support your phone in future versions.