Hi, here you can download APK file "Zoiper" for free, apk file version is 2.2.52 to download to your android just click this button. It's easy and warranty. We provide only original apk files
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Description of Zoiper IAX SIP VOIP Softphone

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

For support please visit: http://community.zoiper.com

Zoiper 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://www.zoiper.com/en/voip-sdk

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:

- Support for different color schemes
- Bluetooth support
- Lowest battery usage with highest reliability / stability on google play
- Lowest latency of all android 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 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
- call waiting
- Video support (gold users only)
- ZRTP / TLS support (gold users only)
- Call Transfer (gold users only)
- Wideband audio (gold users only)

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

- Phones that are unstable because they have broken audio implementations:
Alcatel one touch series (poor audio drivers cause system freezes and crashes)
HTC one m8 (causes freezes.)

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

WARNING: Please use only versions from the appstore, we have reasons to believe some of the (russian) .apk files floating on the web contain a trojan that might steal username and password and make fraudulent calls. The official zoiper from google play is safe to use. If you want all features without paying, don't pirate it but ask your friends for the unlocking cheatcode instead. First rule about the gold club: don't publicly publish the cheatcode, but share it privately at will.

Version history Zoiper
New in Zoiper 2.5.40
v.2.5.40
- Crash fixes
- Fix for error 408 after network change
New in Zoiper 2.5.40
v.2.5.40
- Crash fixes
New in Zoiper 2.5.35
v.2.5.35
Push optimizations
Crash fixes
New in Zoiper 2.4.20
v.2.4.20
Crash fixes.
New in Zoiper 2.3.18
v 2.3.18
Add "expand" in drawer to show all accounts
Show cursor in dialpad
Fix issue with dark theme
DNS optimizations
Change handling of "Call answered elsewhere"
Add direct video call from "Call log" & "Answer with video"(incoming call)
Add "copy" and "edit number" as long-press options on "Call log"
Reject VoIP calls while user is in a GSM call
Fix GSM calls ringing when in a VoIP call
Add support for device DND(beta)
Fix device screen go Off while there is an incoming call
And many more...
New in Zoiper 2.2.54
v. 2.2.54
- Crash fixes
New in Zoiper 2.2.53
v. 2.2.52- Fix for hangup screen issue- Crash fix
New in Zoiper 2.2.52
v. 2.2.52- Fix for hangup screen issue- Crash fix
New in Zoiper 2.2.49
v. 2.2.47:- Workaround for Galaxy S7/S8 audio issues(no/bad audio).- Fix for issue where it was not possible to place a call.- Crash fixes.Known issues:- FM radio might not stop playback when a call arrives.- If a GSM call arrives while in Zoiper call microphone might not work after ending GSM call.- Zoiper incoming call rings when in a GSM call.
New in Zoiper 2.2.47
v. 2.2.47:- Workaround for Galaxy S7/S8 audio issues(no/bad audio).- Fix for issue where it was not possible to place a call.- Crash fixes.Known issues:- FM radio might not stop playback when a call arrives.- If a GSM call arrives while in Zoiper call microphone might not work after ending GSM call.- Zoiper incoming call rings when in a GSM call.
New in Zoiper 2.2.30
v. 1.53- Fix for Samsung Android 7 garbled audio issue on incoming calls.- Added link to opt-in for Open Beta testing of Zoiper 2.- Minor fixes and improvements.
New in Zoiper 1.53
v. 1.53- Fix for Samsung Android 7 garbled audio issue on incoming calls.- Added link to opt-in for Open Beta testing of Zoiper 2.- Minor fixes and improvements.
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