CSipSimple For PC, Laptop (Windows 7, 8, 10 – Mac)
CSipSimple is a free communication app who work on the theme of VoIP. Basically, this application is an open source project for SIP. This app shows you high performance in rewriting or filtering rules for integration. Moreover, it records calls, and support SIP messages. CSipSimple app has an active install over more than 1,000,000 because it is very simple and
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