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Description of Zoiper IAX SIP VOIP Softphone

Zoiper is a IAX and SIP softphone application for VoIP calls over 3G, 4G/LTE, 5G 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
- 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 (with subscription)
- ZRTP / TLS support (with subscription)
- Call Transfer (with subscription)
- Wideband audio (with subscription)

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 dialling 911 emergency services.

WARNING: Please use only versions from the Google Play Store, 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.

Version history Zoiper IAX SIP VOIP Softphone
New in ZoiPer 2.19.15
v2.19.15
Fixes
New in ZoiPer 2.19.6
v2.19.6
Fix Zoiper disabling system sounds on Android 12
Fix SIP TLS Certificate Exception dialog not appearing
Add random OS assigned ports(when using random port for SIP/IAX/TLS)
Add reading OS certificate store for verification of TLS connections
Drop support for iLBC30 codec
Drop support for Android 4
Crash fixes and stability improvements
New in ZoiPer 2.18.24
v2.18.24
Crash fixes and improvements
New in ZoiPer 2.18.19
v2.18.19
Video FMTP enabled by default for new accounts
Change position of account balance text
Fix drawer account status/name disappear on rotate
Fix Contacts section empty view permission request
Crash fixes
New in ZoiPer 2.17.8
v2.17.8
Crash fixes
New in ZoiPer 2.17.6
v2.17.6
Fix re-registration issue with UDP
Crash fixes
New in ZoiPer 2.17.1
v2.17.1
Fix IAX2 conference host
Fix positioning of contact presence icon
Fix TLS dialog text invisible on certain devices
Fix "Your phone" integration causing calls to be ended
Fix "Wrong network type" when using VPN and only WiFi allowed
Fix missed call indication in call log tab not updated
Fix recipient editor not always visible for draft conversation
Fix presence not updating after service restart
Fix no audio after handover from WiFi
Various SIP and networking improvements
Crash fixes
New in ZoiPer 2.16.7
v2.16.7
Crash fixes
New in ZoiPer 2.16.5
v2.16.5
Fix call recording with IAX2 accounts
Enable stun and video fmtp for newly created accounts
Fix calling wrong number from missed call notification
Fix "edit number before calling" sending no number
Fix issues with SIP presence support
Fix robotic audio
Fix AGC issues
Fix STUN disallowing calls with server in private network
Change default recordings/logs storage location
"Storage permission" no longer requested for Android 6 and above.
Add Czech translation
New in ZoiPer 2.15.7
v2.15.7
Fix ringing volume and microphone issues
New in ZoiPer 2.15.2
v2.15.2
Fix video icon shown for audio calls on-hold
Updated French translation
Updated Polish translation
New in ZoiPer 2.14.10
v2.14.10
Crash fixes
New in ZoiPer 2.14.9
v2.14.9
Minor improvements
New in ZoiPer 2.14.8
v2.14.8
We have combined all premium features and functionality into a single subscription - Combo pack.
Fixed same registration error appearing on all accounts.
Fixed crash when trying to play recording on some phones.
New in ZoiPer 2.13.11
v.2.13.11
SIP registration/re-registration improvements
New in ZoiPer 2.13.10
v.2.13.10
Fix crash in account settings
Various SIP registration/re-registration improvements
New in ZoiPer 2.13.9
v2.13.9
- Fix call hangup issue when smartwatch is connected
- Fix incorrect units displayed for Video Bitrate
- Fix recording checkbox enable issue
- Fix Plantronics device change to earpiece after native call hangup
- Fix Statistics dialog values precision
- Add support for recordings in MP3 format
- Crash fixes
New in ZoiPer 2.12.4
v. 2.12.4
- Improvements and optimisations related to the STUN functionality;
- The exit dialog when using PUSH can now be dismissed by tapping the Back button;
- Additional buttons are added at the DTMF dialpad;
- Account widget behaviour improvement;
- Fixed crash when opening statistics for second time during a call;
- Additional crash fixes and improvements;
New in ZoiPer 2.11.15
v. 2.11.15
- Fix for the automatic cancellation of the PUSH subscription;
- Fix for the issue where MWI feature is not unlocked after purchasing Gold;
- Network change related issues fixed;
- Account registration issues fixed;
New in ZoiPer 2.9.19
* Fix for "Certificate name mismatch 503" error on registration with TLS;
* Crash fixes;
New in ZoiPer 2.9.16
2.9.16
- Fix for the crash when updating from Zoiper 1 to Zoiper 2
- Fix for Bluetooth buttons support when heads-up notification is displayed
- Fix for the missing ongoing call notification on Pixel phones
New in ZoiPer 2.8.39
- Fixed an issue where account did not register on network change;
- Fix for sending too many register requests;
- Fix for SIP user registration failure with TLS ;
- Fixed an issue on registration when PUSH is enabled;
- Fixed an issue with IAX when IP is as host;
- Fixed issue when reconnecting to the same network;
- Fixed issue where the account could not register with UDP ;
- Fix for multiple STUN requests;
- Crash reporting improvements;
- Crash fixes;
New in ZoiPer 2.8.15
v. 2.8.15
- Fix issue causing rotation when device rotation is disabled
- Crash fixes
New in ZoiPer 2.8.12
- fixes for multiple cases when the app was not responding;
- Warning section added with statistical information and hints for better experience and reliability;
- the app's services are not restarted anymore on exiting Connectivity without making changes;
- Android 4.0.3 is no longer supported;
- incoming call screen buttons optimisation;
- Polish translation added;
- H.264 license notice added;
- Caller ID optimisation;
- UI/UX improvements;
New in ZoiPer 2.7.12
New in version 2.7.12:
- Zoiper can be selected as default Phone app;
- Fix for the ANR issue;
Due to new Google Policies we are no longer allowed to use READ/WRITE_CALL_LOG and PROCESS_OUTGOING_CALLS so we have to remove:
- Requirement of READ/WRITE_CALL_LOG permission;
-"Dialer Integration" feature;
-"Integrate with native call log" feature;
New in ZoiPer 2.7.8
v2.7.8
- Fix bug preventing user to return to in-call screen on Samsung devices
- Fix missing version number in About section
- Add "translate" button in Navigation drawer
- Add missing x86 architecture
- Add missing empty space in "strip dial characters"
- Crash fixes and improvements
- Remove armv5 support
New in ZoiPer 2.6.39
v2.6.39
Fix for the issue where calls were not written in call log
New in ZoiPer 2.6.38
v.2.6.38
Crash fixes
Added dns initialization
New in ZoiPer 2.6.31
v.2.6.31
Target API increased to 27
Add wideband codecs for IAX2
Change codecs order for new accounts
Added German translation
Remove "Show account status notification" option as Android does not allow setting lower priority for foreground service. Users can still remove the notification using Android Settings-Apps-Notifications settings Android 8.0 and above.
Application will now ask for allowing DND permissions. When not allowed incoming calls/messages might play sound during a Zoiper call.
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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