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CSipSimple vs Otr.to

A side-by-side look at CSipSimple and Otr.to. For an in-depth review of either product, follow the links below.

CSipSimple

CSipSimple

Social & Communications

CSipSimple is an open source SIP client for Android that allows you to make VoIP calls over Wi-Fi or mobile data. It supports common SIP features like call transfer, call forwarding, call waiting, 3-way conferencing, etc.

voipsipandroidcallswifimobile-data
Full review → Alternatives
Otr.to

Otr.to

Social & Communications

Otr.to is a free online chat service that allows users to have private, encrypted conversations. It uses end-to-end encryption to ensure conversations remain confidential and secure. Otr.to is easy to use and works in most browsers without needing to download additional software.

encryptedprivatechatmessagingbrowserbased
Full review → Alternatives

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