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Some apps are distributed as Split APKs (multiple .apk files packaged together) to optimize resources. Standard Android installers cannot open them.
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What's New
v2.26.13
Edge to Edge improvements
Add "SIP Preconditions" for accounts(disabled by default)
Crash fixes
About this app
Zoiper is a reliable and battery-friendly VoIP softphone that lets you make high-quality voice calls over Wi-Fi, 3G, 4G/LTE, or 5G networks. Whether you’re a remote worker, digital nomad, or VoIP enthusiast, Zoiper is the go-to SIP client for smooth and secure communication — without any ads.
🔑 Core Features:
📞 Supports both SIP and IAX protocols
🔋 Low battery usage with excellent stability
🎧 Bluetooth, speakerphone, mute, hold
🎙️ HD audio quality — even on older devices
🎚️ Wideband audio support (including G.711, GSM, iLBC, Speex)
📹 Video calls (*with subscription)
🔐 Secure calls with ZRTP and TLS (*with subscription)
🔁 Call transfer & call waiting (*with subscription)
🎼 G.729 and H.264 codecs (*with subscription)
🔲 Multiple SIP accounts for flexibility (*with subscription)
🎤 Call Recording (*with subscription)
🎙️ Conference Calls (*with subscription)
📨 Presence support (see if contacts are available or busy)(*with subscription)
🔄 Auto Answer for automatic pick-up of incoming calls (*with subscription)
📲 Reliable incoming calls with PUSH service (ensure calls are received even when app is in background) (*with subscription)
📊 Quality of Service (QoS) / DSCP support for better call quality in enterprise environments (*with subscription)
📞 Message Waiting Indicator (MWI) for voicemail notifications (*with subscription)
📲 Need reliable incoming calls at all times?
Subscribe to Zoiper's PUSH service from within the app. This optional paid feature ensures you receive calls even when the app is closed — perfect for professionals and frequent travelers.
🔧 For Providers & Developers
Distribute easily via oem.zoiper.com with automatic provisioning
Need a custom-branded version or VoIP SDK? Visit https://www.zoiper.com/en/voip-softphone/whitelabel or zoiper.com/voip-sdk
⚠️ Please Note
Zoiper is a standalone VoIP softphone and does not include a calling service. You must have a SIP or IAX account with a VoIP provider.
Do not use Zoiper as your default dialer; it may interfere with emergency calls (e.g. 911).
Only download from Google Play — unofficial APKs may be unsafe.
How to Download Zoiper IAX SIP VOIP Softphone APK
- Enter the package name
com.zoiper.android.appon the APK Downloader homepage. - Select your device architecture (ARM64 recommended for modern devices).
- Click Download to get the merged APK file.
- Transfer and install the APK on your Android device.
- Keep Updated: Visit APK Downloader regularly to search for and download the latest secure versions of your favorite apps.
Security & Signature Verification
This APK download is 100% safe. We verify that the cryptographic signature of the file matches the official developer credentials. No modifications or adware are injected.