MizuDroid SIP VOIP Softphone
Communication
1 Million+ installs
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- CategoryCommunication
- PlatformAndroid
- DeveloperMizutech
- In-app PurchasesNo
- Installs1 Million+
- Updated2026-07-31
- Size6 M
- Version4.8.2
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Editor's Review
Developed by Mizutech, MizuDroid SIP VOIP Softphone is a communication app available on Google Play. Its store tagline reads: "SIP client for your VoIP server." It has passed 1 Million+ installs, and users rate it 4.0 out of 5 across 5.1K ratings. The latest version (4.8.2) was released on 2026-07-31, so the app is still being actively updated. Good to know: it needs about 6 MB of storage.
How To Use?
The VoIP phone can be used with any VoIP service provider, any softswitch or PBX, including Asterisk, voipswitch, 3CX, Cisco, FreePBX, Elastix, OpenSIPS and others
Compatible with all IP phones and SIP dialers such as Acrobits, Bria, Linphone, Zoiper or CSipSimple
Works on any network above 12 kbits (3G, 4G, LTE, 5G, WiFi, others)
Not another csipsimple/sipdroid clone (SIP client stack made by Mizutech from scratch based on Mizutech AJVoIP SIP and media stack for Java)
Free for non-commercial usage. No advertisements
Google Play
Description
MizuDroid is a free, unlocked, professional SIP softphone to be used with any SIP server / any VoIP provider. No ads.
The app doesn't include any VoIP service. You are free to configure it to be used with any SIP server or service provider.
Note1: You will need to have a SIP account to be able to use this softphone and calls to mobile/landline phones might cost you money. See your VoIP service provider for the exact terms and pricing.
Note2: The softphone service might try to run in the background and request to ignore battery optimizations only if push notifications are impossible in your network, for example if your SIP server is on private IP and doesn't support push notifications.
-The VoIP phone can be used with any VoIP service provider, any softswitch or PBX, including Asterisk, voipswitch, 3CX, Cisco, FreePBX, Elastix, OpenSIPS and others.
-Compatible with all IP phones and SIP dialers such as Acrobits, Bria, Linphone, Zoiper or CSipSimple
-Works on any network above 12 kbits (3G, 4G, LTE, 5G, WiFi, others).
-Not another csipsimple/sipdroid clone (SIP client stack made by Mizutech from scratch based on Mizutech AJVoIP SIP and media stack for Java)
-Free for non-commercial usage. No advertisements.
FEATURES:
-Auto adapt to your environment (device/CPU/network/server and peers capabilities)
Read more
-Minimal CPU and battery usage. App file size is below 10 MB and contains all SIP signaling and media features. -Multiple SIP accounts (Advanced settings -> SIP settings -> Accounts) -Multiple lines (simultaneous calls) -Push notification support direct to SIP server or via FCM -Call divert: mute/hold/forward/transfer/conference -HD Audio, wideband and all common audio codec: Opus, Speex, G.729, GSM, iLBC, G.711 (PCMU/PCMA), -Improved audio quality: AGC, AEC, PLC, noise reduction, silence suppression -NAT/firewall traverse capabilities (with STUN, ICE, tunnel and related technologies) -IM (chat), file transfer, video, DTMF (RFC2833, SIP INFO and in-band), Voicemail, Voice recording, Balance display, Caller ID, Number rewrite rules -Transport protocols: IPv4/IPv6, UDP/TCP/TLS. Support for DNS SRV -VoIP tunneling and encryption (optional/automatic) with auto transport selection: UDP/TCP/TLS/HTTP/VPN (VoIP over HTTP) -Peer to peer direct encrypted VoIP media (whenever possible between MizuDroid apps) -Call recording -Presence, BLF, contacts sync -Integration with the native contact list -Handle incoming calls while in idle/sleep/doze (with push notifications or running as service if push is unavailable) ...and many more Branded softphone builds with customizations are available for VoIP service providers and companies. Contact info@mizu-voip.com. Details: https://www.mizu-voip.com/Support/Wiki/tabid/99/topic/Customized%20Android%20softphone/Default.aspx Use the forum to submit any bug reports or suggestions: https://www.mizu-voip.com/forums/forums/softphone_forum/ Softphone user guide: https://www.mizu-voip.com/Portals/0/Files/Android_Softphone_Guide.pdf Visit the homepage for more details about this SIP client: https://www.mizu-voip.com/Software/Softphones/AndroidSoftphone.aspxScreenshots
4.0
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