CSipSimple vs Siphon SIP
A side-by-side look at CSipSimple and Siphon SIP. For an in-depth review of either product, follow the links below.
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
Siphon SIP
Social & Communications
Siphon SIP is a voice over IP (VoIP) software for making internet calls. It allows you to make free SIP calls to other Siphon users as well as cheap calls to phones globally.
voipsipinternet-callsfree-calls
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