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Silent Circle is the leader in end-to-end enterprise solutions for
secure mobile communications.
The safest way to work
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Unlimited encrypted voice, video, messaging, file sharing, and conference calling between your team's users.
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Communicate privately with mobile and landline numbers from anywhere in the world with Silent World.
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Deploy and manage secure communications across your organization using our trusted enterprise security features.
End-to-end encrypted voice, video, messaging, file transfer, and more
Silent Phone makes sure your conversations are 100% private and that you're connected only to your intended party. All encryption is done on the device. No one can listen in.
End-to-end encrypted & authenticated
Make secure calls with your existing iOS and Android devices. There are no special headsets or SIM cards. You don't need a single-purpose phone. With Silent Phone, no new hardware is required.
No new hardware
Silent Phone is easy to deploy and manage in an enterprise environment. It requires no end-user training. It supports SSO, SIEM systems, and can be deployed via MDM. You and your team will have a dedicated client liaison and direct access to our highly trained technical support staff.
Enterprise-ready
We protect brand name enterprises, international NGOs, government agencies, and firms in such industries as defense, energy, and law. With Silent Phone, you're getting a premium product with top-notch security.
Premium security
Keep the conversation going from anywhere in the world. Silent Phone delivers unlimited worldwide calling and messaging between your users with no hidden or additional fees from us.
Unlimited calling and messaging
Stored data is a security risk. Many providers keep as much data as possible "just in case." We keep as little data as possible. We don't track IP addresses or keep logs of calls and messages between users.
Data minimization
Secure voice and video calling
Most good things in the world start with a private conversation. Silent Phone lets your team talk securely across oceans and time zones.
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Worldwide coverage
We host a global network of servers to make sure that your calls connect wherever you are.
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Security words
Silent Phone's powerful Security Words let you verify your security.
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Conference manager
Handle multiple calls at once with ease. Silent Phone shows you all your calls in one place. Pull calls into a conference, or let the other members speak for a moment while you pull someone aside privately.
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Worldwide coverage
Hear and be heard clearly with Silent Phone's HD quality voice and video. Our technology ensures that privacy does not come at the cost of call quality.
Silent Text secure messaging and file transfers
We think text should be as secure and as ephemeral as a call. With Silent Phone's Silent Text messaging, you can securely send messages, voice memos, documents, videos, images, and other files.
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Automatic message redaction
Messages you send are automatically deleted on all devices after the burn timer has expired. You can adjust the burn time between one minute and 90 days.
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Delete messages from both sides
You can select a message for immediate destruction at any time. Burning the message causes it to be deleted from all devices of all parties in the conversation.
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One touch voice memos
Silent Phone makes it quick and easy to record and send a voice memo. These are great for sending quick thoughts when you're out and about. Voice memos provide a secure alternative to voicemail.
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Delivery and read receipts
Situational awareness helps your team move faster. Silent Phone lets you know when your messages have been delivered and when they have been read.
Team communication made simple
Silent Phone enables secure team collaboration with secure conference calling and secure group messaging. As you would expect from Silent Circle, your team's communications are encrypted end-to-end.
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Secure conference calls
Most conference calling products mix the conference audio in the cloud, risking your secrets. Silent Phone mixes the conference on device. This enables Silent Phone to provide the same high level of end-to-end security to conference calls as it does for one-to-one calls.
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Secure group messaging
Keep everyone in the loop by creating a secure text channel with your entire team. Unlike other products that store your group's messages in the cloud, Silent Phone keeps all of your content on device, keeping your team and its secrets safe.
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Secure company directory search
Simply search by name or by email to contact your team members. Silent Phone makes sure your team members can find each other easily.
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Secure contact discovery