Zoiper IAX SIP VOIP Softphone
Communication
5 Million+ installs
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- CategoryCommunication
- PlatformAndroid
- DeveloperSecurax EOOD
- In-app PurchasesYes
- Installs5 Million+
- Updated2026-09-08
- Size36 M
- Version2.27.3
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Editor's Review
Developed by Securax EOOD, Zoiper IAX SIP VOIP Softphone is a communication app available on Google Play. The developer sums it up as: "Reliable, secure VoIP softphone for SIP & IAX. Low battery, high call quality." With 5 Million+ installs on Google Play, it holds an average rating of 4.4 from 77K user ratings. The latest version (2.27.3) was released on 2026-09-08, so the app is still being actively updated. Good to know: it offers optional in-app purchases and needs about 36 MB of storage.
How To Use?
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)
Google Play
Description
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)
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📲 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.Screenshots
4.4
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