Download CSipSimple CSipSimple icon


OpenSource (GPL) project for SIP on Android. * High performances * R...

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Free 8.6 13.9K

8.6 Users
Download Securecom Voice Securecom Voice icon

Securecom Voice

Securecom Voice enables you to make free, encrypted voice calls over W...

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Free 8.2 35

8.2 Users
Download ZoiperBeta ZoiperBeta icon


This is a public beta test for the zoiper softphone - ZRTP, TLS &...

Similar app: Zoiper IAX SIP VOIP Softphone

Free 8.4 361

8.4 Users
Download Zoiper IAX SIP VOIP Softphone Zoiper IAX SIP VOIP Softphone icon

Zoiper IAX SIP VOIP Softphone

Zoiper is a FREE IAX and SIP softphone application for voip calls over...

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Free 9 20.8K

9 Users
Download Cryptotel - Secure calls Cryptotel - Secure calls icon

Cryptotel - Secure calls

Now FREE. A dedicated application to our secure calls platform. Messa...

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Free 7.8 84

7.8 Users
Download Lumicall Lumicall icon


The ultimate and most convenient way to make free, fully encrypted cal...

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Free 4.4 50

4.4 Users
Download Secure Voice Secure Voice icon

Secure Voice

Are you concerned about who might be listening in to your calls? Priva...

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Free 10 11

10 Users
Download Silent Phone - private calls Silent Phone - private calls icon

Silent Phone - private calls

Silent Phone - global encrypted video and voice for your Android devic...

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Free 7.6 662

7.6 Users
Download Diomerc Diomerc icon


Softphone for safe SIP calls through Diomerc server, it features all t...

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Free 10 3

10 Users
Download Gtel Gtel icon


Gtel by Globalnet is a sip client based on CSipSimple by Regis Montoya...

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Free 8 4

8 Users
Download Simlar - free and secure calls Simlar - free and secure calls icon

Simlar - free and secure calls

Protect your privacy and make free mobile phone calls over the interne...

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Free 8.2 75

8.2 Users
Download PrivateWave Professional PrivateWave Professional icon

PrivateWave Professional

PrivateWave Professional is an innovative software to encrypt your cal...

Similar app: PrivateWave Enterprise

Free 8.2 90

8.2 Users

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Apps available in other platforms:

Zrtp Applications - iPhone