Secure Instant Messaging vs Telephone
A side-by-side look at Secure Instant Messaging and Telephone. For an in-depth review of either product, follow the links below.
Secure Instant Messaging
Security & Privacy
Secure instant messaging (SIM) software provides encrypted messaging to protect user privacy. Popular open-source options include Signal and Telegram, which offer end-to-end encryption. Enterprise options like Symphony and Cisco Jabber also exist.
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Telephone
Social & Communications
Telephone is an open source SIP softphone and VoIP client for making audio and video calls over the internet. It supports standard telephony features like call waiting, call forwarding and voicemail.
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