cgPhone - Top Level Security

Upgrade your communication with encrypted voice and messages
to ensure secure communication.

Why do you need encryption? Please read here!


cgPhone provides a seamless telephone, messaging and high quality voice experience with the benefit of true security and encryption.

It is intuitive and user-friendly. If you can use the iOS / Android built-in phone app, you will feel at home when using cgPhone. 

You will be protected by a certified secure element, within the cgCard or cgToken, keeping your valuable credentials safely encrypted - independent from the built-in security of your smartphone, tablet or other devices. 

Once your secure call is established, your voice and chat communication can only be decrypted by the other recipient’s cgPhone. True End2End encryption and security for voice and text messaging. Easy & simple.

cgPhone is available as an onPremise solution, to be installed on your corporate server - with easy web based administration and easy user interface for scheduling secure dail-in telephone conference calls.

Available for iOS and Android platform at their app stores. Ready to download - to be activated by entering the activation codes.

Please contact us for a test drive using our cgPhone test server.
You may test it in seconds - being save for years.

Download Datasheet

Download Datasheet

Key Facts

End2End encrypted secure voice calling,
End2End encrypted secure messaging,
Encrypted secure voice conferencing,
Encrypted secure voicemail,
Landline breakout to PSTN / other telephone networks

Key-exchange: ECDH-384P; Audio: AES 256 CTR, SHA 384;
Signalling: TLSv1.2; Easy PKI integration with SAS-signing


SIP-Trunk, analog, ISDN, SS7

HA-support, Geo-redundancy

High scalability:
Clustering of cgPhone server nodes
Virtualized server nodes (VM image)
+ 1000 simultaneous calls per Node
+250 participants per telephone conference

OPUS WB for best HD-Voice quality

Product Flyer DE

Product Flyer DE

Product Flyer EN

Product Flyer EN

Name *